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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

(Mark One)

☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2025

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from __________________ to __________________

Commission File Number 001-33572

Bank of Marin Bancorp

(Exact name of Registrant as specified in its charter)

California

20-8859754

(State or other jurisdiction of incorporation or organization)

(IRS Employer Identification No.)

504 Redwood Blvd.

Suite 100

Novato

94947

(Address of principal executive office)

(Zip Code)

Registrant’s telephone number, including area code: (415) 763-4520

Securities registered pursuant to Section 12 (b) of the Act:

None

Securities registered pursuant to section 12(g) of the Act:


Title of each class	Trading symbol	Name of each exchange on which registered
Common Stock, No Par Value	BMRC	The Nasdaq Stock Market

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.

Yes ☐ No ☒

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.

Yes ☐ No ☒

Note - Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15(d) of the Exchange Act from their obligations under those Sections.

Indicate by check mark whether the registrant (1) has filed all reports to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer”, “smaller reporting company,” and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer

☐

Accelerated filer

☒

Non-accelerated filer

☐

Smaller reporting company

☐

Emerging growth company

☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ☒

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. ☒

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant's executive officers during the relevant recovery period pursuant to §240.10D-1(b). ☒

Indicate by check mark if the registrant is a shell company, as defined in Rule 12b-2 of the Exchange Act. Yes ☐ No ☒

As of June 30, 2025, the last business day of the registrant's most recently completed second fiscal quarter, the aggregate market value of the voting common equity held by non-affiliates, based upon the closing price per share of the registrant's common stock as reported by the Nasdaq, was approximately $349 million. For the purpose of this response, directors and certain officers of the Registrant are considered affiliates at that date.

As of February 27, 2026, there were 16,126,486 shares of common stock outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the registrant's Proxy Statement for the Annual Meeting of Shareholders to be held on May 27, 2026 are incorporated by reference into Part III.

TABLE OF CONTENTS


PART I		Page-4
Explanatory Note		Page-4
Forward-Looking Statements		Page-4
ITEM 1.	BUSINESS	Page-5
ITEM 1A.	RISK FACTORS	Page-14
ITEM 1B.	UNRESOLVED STAFF COMMENTS	Page-25
ITEM 1C.	CYBERSECURITY	Page-25
ITEM 2.	PROPERTIES	Page-26
ITEM 3.	LEGAL PROCEEDINGS	Page-26
ITEM 4.	MINE SAFETY DISCLOSURES	Page-26
PART II		Page-27
ITEM 5.	MARKET FOR REGISTRANT'S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES	Page-27
ITEM 6.	[RESERVED]	Page-28
ITEM 7.	MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS	Page-28
	Forward-Looking Statements	Page-28
	Critical Accounting Estimates	Page-29
	RESULTS OF OPERATIONS
	Financial Highlights	Page-31
	Executive Summary	Page-34
	Net Interest Income	Page-36
	Provision for Credit Losses	Page-38
	Non-Interest Income	Page-39
	Non-Interest Expense	Page-40
	Provision for Income Taxes	Page-40
	FINANCIAL CONDITION	Page-42
	Investment Securities	Page-42
	Loans	Page-44
	Allowance for Credit Losses	Page-48
	Other Assets	Page-51
	Deposits	Page-51
	Borrowings	Page-52
	Deferred Compensation Obligations	Page-53
	Capital Adequacy	Page-53
	Liquidity and Capital Resources	Page-54
	Non-GAAP Financial Measures	Page-55
ITEM 7A.	QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	Page-57
ITEM 8.	FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA	Page-59
	Report of Independent Registered Public Accounting Firm	Page-59
	Consolidated Statements of Condition	Page-62
	Consolidated Statements of Comprehensive (Loss) Income	Page-63
	Consolidated Statements of Changes in Stockholders' Equity	Page-64
	Consolidated Statements of Cash Flows	Page-65
	NOTES TO CONSOLIDATED FINANCIAL STATEMENTS	Page-66
	Note 1: Summary of Significant Accounting Policies	Page-66


	Note 2: Investment Securities	Page-78
	Note 3: Loans and Allowance for Credit Losses	Page-83
	Note 4: Bank Premises and Equipment	Page-91
	Note 5: Bank Owned Life Insurance	Page-91
	Note 6: Deposits	Page-91
	Note 7: Borrowings	Page-92
	Note 8: Stockholders' Equity and Stock Plans	Page-92
	Note 9: Fair Value of Assets and Liabilities	Page-97
	Note 10: Benefit Plans	Page-99
	Note 11: Income Taxes	Page-100
	Note 12: Commitments and Contingencies	Page-103
	Note 13: Subordinated Notes	Page-104
	Note 14: Concentrations of Credit Risk	Page-105
	Note 15: Derivative Financial Instruments and Hedging Activities	Page-105
	Note 16: Regulatory Matters	Page-107
	Note 17: Financial Instruments with Off-Balance Sheet Risk	Page-108
	Note 18: Condensed Bank of Marin Bancorp Parent Only Financial Statements	Page-110
	Note 19: Restatement of Prior Period Financials (Quarterly Information Unaudited)	Page-111
ITEM 9.	CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE	Page-116
ITEM 9A.	CONTROLS AND PROCEDURES	Page-116
ITEM 9B.	OTHER INFORMATION	Page-117
ITEM 9C.	DISCLOSURES REGARDING FOREIGN JURISDICTIONS THAT PREVENT INSPECTIONS	Page-117
PART III		Page-117
ITEM 10.	DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE	Page-117
ITEM 11.	EXECUTIVE COMPENSATION	Page-117
ITEM 12.	SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS	Page-117
ITEM 13.	CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE	Page-117
ITEM 14.	PRINCIPAL ACCOUNTANT FEES AND SERVICES	Page-117
PART IV		Page-119
ITEM 15.	EXHIBITS AND FINANCIAL STATEMENT SCHEDULES	Page-119
ITEM 16.	FORM 10-K SUMMARY	Page-121
SIGNATURES		Page-122

PART I

Explanatory Note

On February 23, 2026, the Board of Directors (the “Board”) of Bank of Marin Bancorp (the “Company”), based on the recommendation of, and after consultation with, the Board’s Audit Committee, the Company’s management and the Company’s independent registered public accounting firm, Baker Tilly US, LLP, concluded that the Company’s previously issued audited consolidated financial statements as of and for the years ended December 31, 2024 and 2023 and the unaudited financial statements as of and for the interim periods ended September 30, 2025, June 30, 2025, March 31, 2025, September 30, 2024, June 30, 2024, and March 31, 2024, (the “Affected Periods”) included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024 and the Company’s Quarterly Reports on Form 10-Q for each of the applicable interim periods (the financial statements contained in such reports, the “Affected Financials”), should no longer be relied upon due to certain errors made in the Company’s accounting related to the classification of certain reciprocal network deposits and related interest expense as non-interest bearing deposits and non-interest expense that were determined to be material to the Company’s financial condition as reflected in the Affected Financials. Similarly, related earnings releases, press releases, shareholder communications, investor presentations or other communications describing relevant portions of the Affected Financials should no longer be relied upon.

The adjustments required to be made in the Affected Financials were as a result of errors that the Company’s current management identified during the Company’s annual review process related to the preparation of its consolidated financial statements for the year ended December 31, 2025. The errors resulted in impacts to certain line items of the Company’s Consolidated Statement of Condition and Consolidated Statement of Comprehensive (Loss) Income but did not impact the Company’s net income or earnings per share for any of the Affected Periods. Certain deposits were included in non-interest bearing deposits when they should have been included in interest bearing deposits. Additionally, the expense related thereto was included in deposit network fees within non-interest operating expense instead of interest expense, although the mistaken classification of the expense was determined not to be material and had no impact on net income or earnings per share. The required reclassifications on the balance sheet from non-interest bearing deposits to interest bearing deposits were determined to be material, although the reclassifications are not expected to have any impact on total Consolidated Statement of Condition amounts, including total deposits and stockholders’ equity for the Affected Periods. The adjustments to the Company’s Consolidated Statements of Comprehensive (Loss) Income for the Affected Periods were deemed necessary for consistency of presentation between prior periods once the adjustments were made to interest expense and non-interest expense for 2025. Because the corrections of this misstatement have, taken as a whole, been determined to be material to the Affected Financials, the Board concluded that the Affected Financials should no longer be relied upon.

The Affected Financials are corrected herein. Please refer to Note 19, Restatement of Prior Period Financial Statements (Quarterly Information Unaudited) in Item 8 - Financial Statements and Supplementary Data. In addition to the correction of the Affected Financials included in Note 19, financial information and related narrative discussion in Part II, Item 7. Management's Discussion of Financial Condition and Results of Operation, from the Affected Periods has been revised to reflect the corrected financial statements.

Impact on Internal Controls over Financial Reporting

See Item 9A, Controls and Procedures, for information related to the identified material weakness in internal control over financial reporting and the related remedial measures.

Forward-Looking Statements

This Annual Report on Form 10-K includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, (the "1933 Act") and Section 21E of the Securities Exchange Act of 1934, as amended, (the "1934 Act"). Those sections of the 1933 Act and 1934 Act provide a "safe harbor" for forward-looking statements to encourage companies to provide prospective information about their financial performance so long as they provide meaningful, cautionary statements identifying important factors that could cause actual results to differ significantly from projected results.

Our forward-looking statements include descriptions of plans or objectives of management for future operations, products or services, and forecasts of revenues, earnings or other measures of economic performance. Forward-looking statements can be identified by the fact that they do not relate strictly to historical or current facts. They often include the words "believe," "expect," "intend," "estimate" or words of similar meaning, or future or conditional verbs preceded by "will," "would," "should," "could" or "may."

Forward-looking statements are based on management's current expectations regarding economic, legislative, and regulatory issues that may impact our earnings in future periods. Factors that could cause future results to vary materially from current management expectations include, but are not limited to, general economic conditions and the economic uncertainty in the United States and abroad, including economic or other disruptions to financial markets caused by acts of terrorism, war or other conflicts, impacts from inflation, supply chain disruptions, changes in interest rates (including the actions taken by the Federal Reserve to control inflation), California's unemployment rate, deposit flows, real estate values, and expected future cash flows on loans and securities; the impact of adverse developments at other banks, including bank failures, that impact general sentiment regarding the stability and liquidity of banks; costs or effects of acquisitions; competition; changes in accounting principles, policies or guidelines; changes in legislation or regulation; natural disasters (such as wildfires and earthquakes in our area); adverse weather conditions; interruptions of utility service in our markets for sustained periods; and other economic, competitive, governmental, regulatory and technological factors (including external fraud and cybersecurity threats) affecting our operations, pricing, products and services; and successful integration of acquisitions.

Important factors that could cause results or performance to differ materially from those expressed in our prior forward-looking statements are detailed in ITEM 1A, Risk Factors of this report. Forward-looking statements speak only as of the date they are made. Bancorp undertakes no obligation to release publicly the result of any revisions to these forward-looking statements that may be made to reflect events or circumstances that occur after the date the forward-looking statements are made or to reflect the occurrence of unanticipated events.

ITEM 1. BUSINESS

Bank of Marin (the “Bank”) was incorporated in August 1989, received its charter from the California Superintendent of Banks (now the Department of Financial Protection and Innovation or "DFPI") and commenced operations in January 1990. The Bank is an insured bank by the Federal Deposit Insurance Corporation (“FDIC”). Bank of Marin Bancorp ("Bancorp") was formed in 2007 and the Bank became its sole subsidiary when each share of Bank common stock was exchanged for one share of Bancorp common stock. Bancorp is listed on the Nasdaq Stock Market under the symbol BMRC. Upon formation of the holding company, Bancorp became subject to regulation under the Bank Holding Company Act of 1956, as amended, and reporting and examination requirements by the Board of Governors of the Federal Reserve System ("Federal Reserve"). Bancorp files periodic reports and proxy statements with the Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended.

References in this report to “Bancorp” or the "Company" mean Bank of Marin Bancorp, parent holding company for the Bank. References to “we,” “our,” “us” mean the holding company and the Bank that are consolidated for financial reporting purposes.

Virtually all of our business is conducted through Bancorp's subsidiary, Bank of Marin, which is headquartered in Novato, California. In addition to our headquarters and a regional office in the Greater Sacramento region, we operate 27 retail branches and 8 commercial banking offices across Northern California with a strong emphasis on supporting local communities. Our customer base is comprised of business, not-for-profit, and personal banking relationships within our Northern California footprint. Our business banking focus is on small to medium-sized businesses, not-for-profit organizations, and commercial real estate investors.

We offer a suite of business and personal financial products and services designed to meet the needs of our customers. Our lending categories include commercial real estate loans, commercial and industrial loans (including small business loans), construction financing, consumer loans, and home equity lines of credit. Through third-party vendors, we offer merchant and payroll services, a commercial equipment leasing program and credit cards. Other products and services include payment solutions (e.g., mobile deposit and Zelle®) and a wide array of treasury management services.

We offer a variety of personal and business checking and savings accounts, and a number of time deposit alternatives, including time certificates of deposit, Individual Retirement Accounts (“IRAs”), Health Savings Accounts ("HSA"), Certificate of Deposit Account Registry Service® ("CDARS"), Insured Cash Sweep® ("ICS"), and Demand Deposit MarketplaceSM ("DDM Sweep") accounts. CDARS, ICS and DDM Sweep accounts are networks through which we offer full FDIC insurance coverage in excess of the regulatory maximum by placing deposits in multiple banks participating in the networks. We also offer deposit options including mobile deposit, remote deposit capture, Automated Clearing House (“ACH”) services, wire transfers, and image lockbox services.

Automated teller machines (“ATMs”) are available at most branch locations. Our ATMs are linked to PLUS, CIRRUS and NYCE, as well as MoneyPass® - a network of nation-wide, surcharge-free ATMs. We also offer our depositors 24-hour access to their accounts by telephone and through digital banking services available to personal and business account holders.

We offer wealth management and trust services, which include customized investment portfolio management, trust administration, estate settlement and custody services.

We make international banking services available to our customers indirectly through other financial institutions with whom we have correspondent banking relationships.

We hold no patents, licenses (other than licenses required by the appropriate banking regulatory agencies), franchises or concessions. The Bank has registered the service marks "The Spirit of Marin," the words “Bank of Marin,” the Bank of Marin logo, and the Bank of Marin tagline, “Committed to your business and our community” with the United States Patent & Trademark Office. In addition, Bancorp has registered the service marks for the words “Bank of Marin Bancorp” and for the Bank of Marin Bancorp logo with the United States Patent & Trademark Office. All service marks registered by Bancorp or the Bank are registered on the United States Patent & Trademark Office Principal Register.

Market Area

Our primary market area encompasses Alameda, Amador, Contra Costa, Marin, Napa, Placer, Sacramento, San Francisco, and Sonoma counties. Our customer base is primarily made up of business, not-for-profit and personal banking relationships within these market areas. As of December 31, 2025, the majority of our deposits were in Marin, Napa, Alameda and southern Sonoma counties, and approximately 62% of our deposits were from businesses and 38% from consumers.

Competition

The banking business in California generally, and in our market area specifically, is highly competitive with respect to attracting both loan and deposit relationships. The increasingly competitive environment is affected by changes in regulation, interest rates, technology and product delivery systems, and consolidation among financial service providers. The banking industry is seeing strong competition for high quality loans, with larger banks expanding activities to attract businesses that are traditionally community bank customers. In all of our counties, we have significant competition from nationwide banks with much larger branch networks and greater financial resources, as well as credit unions and other local and regional banks. Nationwide banks have the competitive advantages of developing data analytics and artificial intelligence tools and other technological platforms. Large commercial banks also have substantially greater lending limits and the ability to offer certain services, which are not offered directly by us. Other competitors for depositors' funds are money market mutual funds and non-bank financial institutions such as brokerage firms and insurance companies.

We differentiate ourselves from the numerous, and often larger, financial institutions in our primary market area with a business model built on relationship banking, exemplary service, disciplined fundamentals, local decision making and commitment to the communities we serve. The Bank's experienced professionals deliver innovative and custom financing, with a deep local market knowledge and a personal understanding of each customer's unique needs.

Human Capital Resources

As of December 31, 2025, we employed 311 full-time equivalent staff. The actual number of employees, including part-time employees, at year-end 2025 included seven executive officers, 152 other corporate officers and 152 staff. None of our employees are presently represented by a union or covered by a collective bargaining agreement.

We offer a competitive total compensation package including a comprehensive benefits program to our employees designed to attract, retain and motivate employees, as well as to align with our performance, including employee ownership through our Employee Stock Ownership Plan. We regularly compare compensation and benefits with peer companies and market data, making adjustments as needed to ensure compensation stays competitive. We are continually investing in our workforce through employee development, education and training.

We strive to attract, develop, retain and plan for succession of key talent and executives to achieve our strategic objectives. We pride ourselves on creating an open, diverse, and transparent culture that celebrates collaboration and recognizes employees at all levels. We believe that the wide array of perspectives that result from such diversity promotes Legendary Service and business success. We continue to learn and grow, and our current initiatives reflect our ongoing efforts around a more diverse, inclusive and equitable workplace.

In order to develop a workforce that aligns with our corporate values, we regularly sponsor local community events so that our employees can better integrate themselves in and support our communities. We believe that our employees’ well-being and personal and professional development is fostered by our outreach to the communities we serve. Our employees’ desire for active community involvement enables us to sponsor a number of local community events and initiatives, including funding and volunteering for youth mentorship and financial literacy programs to enhance educational opportunities and sponsoring local chambers of commerce and economic development corporations to foster economic vitality.

We recognize that employees who are engaged and committed to their work and workplace contribute meaningfully to our success. On a regular basis, we solicit employee feedback through a confidential, company-wide survey on culture, management, career opportunities, compensation, and benefits. The results of this survey are reviewed and used to update employee programs, initiatives, and communications. We believe that our employee relations are good. In 2025, we were named one of North Bay Business Journal's "Best Places to Work" and in 2024 were inducted into NorthBay Biz's "Best of" Hall of Fame.

SUPERVISION AND REGULATION

Bank holding companies and banks are extensively regulated under both federal and state law. The following discussion summarizes certain significant laws, rules and regulations affecting Bancorp and the Bank.

Bank Holding Company Regulation

Upon formation of the bank holding company on July 1, 2007, we became subject to regulation under the Bank Holding Company Act of 1956, as amended (“BHCA”) which subjects Bancorp to Federal Reserve reporting and examination requirements. Under the Federal Reserve law and regulations, a bank holding company is required to serve as a source of financial and managerial strength to its subsidiary banks. Under this requirement, Bancorp is expected to commit resources to support the Bank, including at times when Bancorp may not be in a financial position to provide such resources, and it may not be in Bancorp's, or Bancorp's shareholders’ or creditors’, best interests to do so. In addition, any capital loans Bancorp makes to the Bank are subordinate in right of payment to depositors and to certain other indebtedness of the Bank. The BHCA regulates the activities of holding companies including acquisitions, mergers and consolidations and, together with the Gramm-Leach Bliley Act of 1999, the scope of allowable banking activities. Bancorp is also a bank holding company within the meaning of the California Financial Code. As such, Bancorp and its subsidiaries are subject to examination by, and may be required to file reports with, the DFPI.

Bank Regulation

Banking regulations are primarily intended to protect consumers, depositors' funds, federal deposit insurance funds and the banking system as a whole. These regulations affect our lending practices, consumer protections, capital structure, investment practices and dividend policy.

As a state chartered bank, we are subject to regulation, supervision and examination by the DFPI. We are also subject to regulation, supervision and periodic examination by the FDIC. If, as a result of an examination of the Bank, the FDIC or the DFPI should determine that the financial condition, capital resources, asset quality, earnings prospects, management, liquidity, or other aspects of our operations are unsatisfactory, or that we have violated any law or regulation, various remedies are available to those regulators including issuing a “cease and desist” order, monetary penalties, restitution, restricting our growth or removing officers and directors.

The Bank addresses the many state and federal regulations it is subject to through a comprehensive compliance program.

Safety and Soundness Standards (Risk Management)

The federal banking agencies have adopted guidelines that establish operational and managerial standards to promote the safety and soundness of federally insured depository institutions. The guidelines set forth standards for internal controls, information systems, internal audit systems, loan documentation, credit underwriting, interest rate exposure, asset growth, compensation, fees and benefits, asset quality and earnings.

During the past decade, the bank regulatory agencies have increasingly emphasized the importance of sound risk management processes and strong internal controls when evaluating the activities of the financial institutions they supervise. Properly managing risks has been identified as critical to the conduct of safe and sound banking activities and has become even more important as new technologies, product innovation, and the size and speed of financial transactions have changed the nature of banking markets. The agencies have identified a spectrum of risks facing a banking institution including, but not limited to, credit, market, liquidity, operational, legal, and reputational. In particular, recent regulatory pronouncements have focused on operational risk, which arises from the potential that inadequate information systems, operational problems, breaches in internal controls, fraud, or unforeseen catastrophes will result in unexpected losses. New products and services, third-party risk management and cybersecurity are critical sources of operational risk that financial institutions are expected to address in the current environment. The Board of Directors and various sub-committees oversee Bancorp's consolidated enterprise risk management program that ensures the adequacy of policies, procedures, tolerance levels, risk measurement systems, monitoring processes, management information systems and internal controls.

Dividends and Stock Repurchases

Bancorp's ability to pay dividends to its shareholders may be affected by both general corporate law considerations and the policies of the Federal Reserve applicable to bank holding companies. As a California corporation, Bancorp is subject to the limitations of California law, which allows a corporation to distribute cash or property to shareholders, including a dividend or repurchase or redemption of shares, if the corporation meets certain tests based on its performance and financial condition. Bancorp's primary source of cash is dividends received from the Bank. Prior to any distribution from the Bank to Bancorp, we ensure that the dividend computations comply with the provisions of the California Financial Code and regulations set forth by the DFPI and the FDIC. In August 2022, the Inflation Reduction Act of 2022 was enacted, which among other things, imposed a one percent excise tax on publicly traded U.S. corporations for the fair market value of stock repurchased after December 31, 2022. With certain exceptions, the value of stock repurchased is net of stock issued in the year, including those issued pursuant to share-based compensation programs. Refer to Note 8 to the Consolidated Financial Statements, under the heading “Dividends” in ITEM 8 of this report for more information.

FDIC Insurance Assessments

The FDIC insures our customers' deposits to the maximum amount permitted by law, which is currently $250,000 per depositor, based on the 2010 Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”).

FDIC insurance coverage is funded by the FDIC's assessment on insured depository institutions like us and FDIC's annual base assessment rates are currently between 2.5 and 42 basis points on the depository institution's quarterly average consolidated total assets minus average tangible equity. Base assessment rates for banks vary depending on whether a depository institution is small or large and highly complex per FDIC's definition. In deriving the base assessment rate, the FDIC applies financial ratios, scorecards, and other financial measures to determine a bank's ability to withstand financial stress.

In October 2022, the FDIC adopted a final rule to increase the initial base deposit insurance assessment rate schedules uniformly by 2 basis points beginning with the first quarterly assessment period of 2023. The increased assessment was expected to improve the likelihood that the deposit insurance fund ("DIF") reserve ratio would reach the statutory minimum of 1.35% by the statutory deadline prescribed under the FDIC's amended restoration plan. As of June 30, 2025, the reserve ratio exceeded the statutory minimum and, beginning with third quarter 2025, the FDIC no longer operated under a Restoration Plan.

Community Reinvestment Act

Congress enacted the Community Reinvestment Act (“CRA”) in 1977 to encourage financial institutions to meet the credit needs of the communities in which they are located. All banks and thrifts have a continuing and affirmative obligation, consistent with safe and sound operations, to help meet the credit needs of their entire communities, including low and moderate income neighborhoods. Regulatory agencies rate each bank's performance in assessing and meeting these credit needs. The Bank is committed to serving the credit needs of the communities in which we do business, and it is our policy to respond to all creditworthy segments of our market. As part of its CRA commitment, the Bank maintains strong philanthropic ties to the community. We invest in affordable housing projects that help economically disadvantaged individuals and residents of low- and moderate-income census tracts, in each case consistent with our long-established prudent underwriting practices. We also donate to, invest in and volunteer with organizations that serve the communities in which we do business, especially low- and moderate-income individuals. These organizations offer educational and health programs to economically disadvantaged students and families, community development services and affordable housing programs. We offer CRA reportable small business, small farm and community development loans within our assessment areas. The CRA requires a depository institution's primary federal regulator, in connection with its examination of the institution, to assess the institution's record in meeting CRA requirements. The regulatory agency's assessment of the institution's record is made available to the public. This record is taken into consideration when the institution establishes a new branch that accepts deposits, relocates an office, applies to merge or consolidate, or expands into other activities. The FDIC assigned a “Satisfactory” rating to Bank of Marin's CRA performance examination based on their most recent examination completed in November 2023, which was performed under the large bank requirements.

In October 2023, the federal banking agencies issued a final rule to strengthen and modernize regulations implementing the CRA. The final rule, among other things, seeks to (i) expand access to credit, investment, and basic banking services in low- and moderate-income communities, (ii) adapt to changes in the banking industry, including internet and mobile banking, (iii) provide greater clarity, consistency, and transparency, (iv) tailor CRA evaluations and data collection to bank size and type, and (v) maintain a unified approach among the bank regulatory agencies. Since issuance, the effective date of the final rule has been delayed pending the outcome of litigation that challenged the statutory authority of federal regulators. On July 16, 2025, the federal banking agencies issued a joint notice of proposed rulemaking to rescind the 2023 CRA final rule. We will continue to evaluate the impact of any changes to the regulations implementing the CRA and their impact to our financial condition, results of operations, and/or liquidity, which cannot be predicted at this time.

Anti-Money-Laundering Regulations

A series of banking laws and regulations beginning with the Bank Secrecy Act in 1970 requires banks to prevent, detect, and report illicit or illegal financial activities to the federal government to prevent money laundering, international drug trafficking, and terrorism. Under the Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism Act of 2001, financial institutions are subject to prohibitions against specified financial transactions and account relationships, requirements regarding the Customer Identification Program, as well as enhanced due diligence and “know your customer” standards in their dealings with high risk customers, foreign financial institutions, and foreign individuals and entities. In 2016, Customer Due

Diligence Rules under the Bank Secrecy Act clarified and strengthened customer due diligence requirements. These rules contained explicit customer due diligence requirements, which included a new requirement to identify and verify the identity of beneficial owners of legal entity customers. In 2020, the Anti-Money Laundering Act ("AMLA 2020") became law. Among its many provisions, AMLA 2020 provides for: 1) expanded whistleblower rewards and protections; 2) the establishment of a beneficial ownership registration database that will be implemented by the Financial Crimes Enforcement Network ("FinCEN"); and 3) new Bank Secrecy Act violations and enhanced penalties for repeat and egregious violators.

Privacy, Data Protection, and Cybersecurity

The Gramm-Leach Bliley Act (“GLBA”) of 1999 imposes requirements on financial institutions with respect to consumer privacy and the disclosure of non-public personal information about individuals who apply for or obtain a financial product to be used for personal, family or household purposes. The GLBA generally prohibits disclosure of consumer information to most nonaffiliated third parties unless the consumer has been given the opportunity to object and has not objected to such disclosure. Financial institutions are further required to disclose their privacy policies to consumers and the conditions under which an institution may disclose non-public information about a consumer to a nonaffiliated third party. The GLBA also directs federal regulators, including the FDIC, to prescribe standards for the security of consumer information. We are subject to such standards, as well as standards for notifying consumers in the event of a security breach. We must disclose our privacy policy to consumers and permit consumers to "opt out" of having non-public customer information disclosed to third parties. We are required to have an information security program to safeguard the confidentiality and security of customer information and to ensure proper disposal of information that is no longer needed. We notify our customers when unauthorized disclosure involves sensitive customer information that may be misused. Effective January 2020, the California Consumer Privacy Act (“CCPA”) added required notice about personal information we collect, use, share, and disclose for business purposes. The CCPA provides California residents rights regarding their personal information specifically related to exercising access, data portability and deletion rights. There are also California breach notification and disclosure requirements.

In November 2021, the federal banking agencies issued a final rule requiring banking organizations that experience a computer-security incident to notify their primary Federal regulator of the occurrence of an event that rises to the level of a “notification incident.” Generally, a notification incident occurs when a banking organization has suffered a computer-security incident that has a reasonable likelihood of materially disrupting or degrading the banking organization or its operations. The rule requires an affected banking organization to notify its primary Federal regulator as soon as possible and no later than 36 hours after the banking organization has determined that a notification incident has occurred. The rule also requires bank service providers to notify each affected banking organization if that bank service provider experiences a computer-security incident that has caused, or is reasonably likely to cause, a material service disruption or degradation for four or more hours.

In July 2023, the Securities and Exchange Commission ("SEC") adopted final rules that, among other things, require disclosures of material cybersecurity incidents, along with cybersecurity risk management, strategy and governance. The new rules require timely reporting of incidents determined to be material, and annual disclosure of the processes for assessing, identifying and managing material risks from cybersecurity threats including a description of board of directors' oversight and management's role in assessing and managing material risks from cybersecurity threats. The disclosures are required beginning with annual reports for fiscal years ending on or after December 15, 2023.

Consumer Protection Regulations

Our lending activities are subject to a variety of statutes and regulations designed to protect consumers, including the CRA, Home Mortgage Disclosure Act, Fair Credit Reporting Act, Fair Lending, Fair Debt Collection Practices Act, Flood Disaster Protection Act, eSign Act, Equal Credit Opportunity Act, the Fair Housing Act, Truth-in-Lending Act ("TILA"), the Real Estate Settlement Procedures Act ("RESPA"), Protecting Tenants at Foreclosure, and the Secure and Fair Enforcement for Mortgage Licensing Act ("SAFE"). Our deposit operations are also subject to laws and regulations that protect consumer rights including Expedited Funds Availability, Truth in Savings Act ("TISA"), and Electronic Funds Transfers. Other regulatory requirements include the Unfair, Deceptive or Abusive Acts and Practices ("UDAAP"), Dodd-Frank Act, Right to Financial Privacy, Telephone Consumer Protection Act and Privacy

of Consumer Financial Information. Additional rules govern check writing ability on certain interest earning accounts and prescribe procedures for complying with administrative subpoenas of financial records.

Restriction on Transactions between Bank's Affiliates

Transactions between Bancorp and the Bank are quantitatively and qualitatively restricted under Sections 23A and 23B of the Federal Reserve Act and Federal Reserve Regulation W. Section 23A places restrictions on the Bank's “covered transactions” with Bancorp, including loans and other extensions of credit, investments in the securities of, and purchases of assets from Bancorp. Section 23B requires that certain transactions, including all covered transactions, be on market terms and conditions. Federal Reserve Regulation W combines statutory restrictions on transactions between the Bank and Bancorp with Federal Reserve interpretations in an effort to simplify compliance with Sections 23A and 23B.

Capital Requirements

The Federal Deposit Insurance Act, as amended (“FDIA”), requires federal banking agencies to take prompt corrective action (“PCA”) with respect to depository institutions that do not meet minimum capital requirements. The FDIA includes the following five capital tiers: “well capitalized,” “adequately capitalized,” “undercapitalized,” “significantly undercapitalized,” and “critically undercapitalized.” A depository institution’s capital tier will depend upon how its capital levels compare with various relevant capital measures and certain other factors, as established by regulation. Bancorp's ratios exceed the required minimum ratios for capital adequacy purposes and the Bank meets the definition for "well capitalized." Undercapitalized depository institutions may be subject to significant restrictions. Banks that are categorized as "critically undercapitalized" are subject to dividend and other restrictions.

Effective January 1, 2020, the federal banking agencies' jointly-issued final rule on the community bank leverage ratio ("CBLR") provides for an optional, simplified measure of capital adequacy for qualifying community banking organizations, consistent with Section 201 of the Economic Growth, Regulatory Relief, and Consumer Protection Act (the "Economic Growth Act"). Qualifying community banking organizations are defined as having less than $10 billion in total consolidated assets that meet risk-based qualifying criteria, a CBLR of greater than 9 percent, off-balance sheet exposure of 25 percent or less of total consolidated assets, trading assets and liabilities of 5 percent or less of total consolidated assets, and cannot be an advanced approaches institution. Such a community banking organization would not be subject to other risk-based and leverage capital requirements (including the Basel III and Basel IV requirements) and would be considered to have met the "well capitalized" ratio requirements. Recently, federal bank regulators proposed lowering the CBLR to 8 percent with final action on such proposal expected in 2026. The CBLR is determined by dividing a financial institution’s tangible equity capital by its average total consolidated assets. The rule further describes what is included in tangible equity capital and average total consolidated assets. Qualifying banks may opt in and out of the CBLR framework at any time. While we are a qualifying community banking organization, we have not opted into the CBLR framework at this time. See below, for further discussion of the Economic Growth Act.

The Dodd-Frank Wall Street Reform and Consumer Protection Act and the Economic Growth, Regulatory Relief, and Consumer Protection Act

The Dodd-Frank Act, a landmark financial reform bill comprised of voluminous new rules and restrictions on bank operations, included provisions aimed at preventing a repeat of the 2008 financial crisis and a new process for winding down failing, systemically important institutions in a manner as close to a controlled bankruptcy as possible. Among other things, the Dodd-Frank Act established new government oversight responsibilities, enhanced capital adequacy requirements for certain institutions, established consumer protection laws and regulations, and placed limitations on certain banking activities.

In an attempt to reduce the regulatory burden on U.S. companies, including financial institutions, in May 2018, the Presidential Administration signed the Economic Growth Act, which repealed or modified certain provisions of the Dodd-Frank Act and eased regulations on all but the largest banks. The Economic Growth Act’s highlights included improving consumer access to mortgage credit, added certain protections for consumers, included veterans and active duty military personnel, expanded credit freezes and created an identity theft protection database.

Notice and Approval Requirements Related to Control

Banking laws impose notice, approval and ongoing regulatory requirements on any shareholder or other party that seeks to acquire direct or indirect "control" of an FDIC-insured depository institution. These laws include the BHCA and the Change in Bank Control Act. Among other things, these laws require regulatory filings by a shareholder or other party that seeks to acquire direct or indirect "control" of an FDIC-insured depository institution or bank holding company. The determination whether an investor "controls" a depository institution is based on all of the facts and circumstances surrounding the investment. As a general matter, a party is deemed to control a depository institution or other company if the party owns or controls 25% or more of any class of voting stock. Subject to rebuttal, a party may be presumed to control a depository institution or other company if the investor owns or controls 10% or more of any class of voting stock. Ownership by family members, affiliated parties, or parties acting in concert, is typically aggregated for these purposes. If a party's ownership of the Company were to exceed certain thresholds, the investor could be deemed to "control" the Company for regulatory purposes. This could subject the investor to regulatory filings or other regulatory consequences.

In addition, except under limited circumstances, bank holding companies are prohibited from acquiring, without prior approval: 1) control of any other bank or bank holding company or all or substantially all the assets thereof; or 2) more than 5% of the voting shares of a bank or bank holding company that is not already a subsidiary.

Incentive Compensation

The Dodd-Frank Act required federal bank regulators and the SEC to establish joint regulations or guidelines prohibiting incentive-based payment arrangements that encourage inappropriate risks by providing an executive officer, employee, director or principal stockholder with excessive compensation, fees, or benefits or that could lead to material financial loss to the entity. These regulations apply to institutions having at least $1 billion in total assets. In addition, regulators must establish regulations or guidelines requiring enhanced disclosure to regulators of incentive-based compensation arrangements. The agencies have not finalized regulations proposed in April 2016. If adopted, the proposed regulations could place limits on the manner in which we structure our executive compensation.

The Federal Reserve reviews, as part of the regular, risk-focused examination process, the incentive compensation arrangements of banking organizations. The Federal Reserve tailors its reviews for each organization based on the scope and complexity of the organization’s activities and the prevalence of incentive compensation arrangements. The findings of the supervisory initiatives are included in reports of examination. Deficiencies, if any, are incorporated into the organization’s supervisory ratings, which can affect the organization’s ability to make acquisitions and take other actions. Enforcement actions may be taken against a banking organization if its incentive compensation arrangements, or related risk management control or governance processes, pose a risk to the organization’s safety and soundness and the organization is not taking prompt and effective measures to correct the deficiencies.

In October 2022, the SEC adopted a final rule directing national securities exchanges and associations, including the Nasdaq, to implement listing standards that require public companies to adopt policies mandating the recovery or “clawback” of excess incentive-based compensation earned by a current or former executive officer during the three fiscal years preceding the date the listed company is required to prepare an accounting restatement, including to correct an error that would result in a material misstatement if the error was either corrected or left uncorrected in the current period. The final rule required us to adopt a clawback policy within 60 days after such listing standard became effective and file the policy as an exhibit in our Annual Report on Form 10-K. Please see exhibit 97.1 for a copy of our policy.

Available Information

On our Internet website, www.bankofmarin.com, we post the following filings as soon as reasonably practical after they are filed with or furnished to the Securities and Exchange Commission: Annual Report to Shareholders, Form 10-K, Proxy Statement for the Annual Meeting of Shareholders, quarterly reports on Form 10-Q, current reports on Form 8-K, and any amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities and Exchange Act of 1934. All such materials on our website are available free of charge. This website

address is for information only and is not intended to be an active link, or to incorporate any website information into this document. In addition, copies of our filings are available by requesting them in writing or by phone from:

Corporate Secretary

Bank of Marin Bancorp

504 Redwood Boulevard, Suite 100

Novato, CA 94947

415-763-4524

These materials are also available at the SEC’s internet website (https://www.sec.gov).

ITEM 1A. RISK FACTORS

We assume and manage a certain degree of risk in order to conduct our business. The material risks and uncertainties that management believes may affect our business are listed below and in ITEM 7A, Quantitative and Qualitative Disclosure about Market Risk. The list is not exhaustive; additional risks and uncertainties that management is not aware of, focused on, or currently deems immaterial may also impair business operations. If any of the following risks, or risks that have not been identified, actually occur, our financial condition, results of operations, and stock trading price could be materially and adversely affected. We manage these risks by promoting sound corporate governance practices, which include but are not limited to, establishing policies and internal controls, and implementing internal review processes. Before making an investment decision, investors should carefully consider the risks, together with all of the other information included or incorporated by reference in this Annual Report on Form 10-K and our other filings with the SEC. This report is qualified in its entirety by these risk factors.

Strategic, Financial, and Reputational Risks

We have identified a material weakness in our internal control over financial reporting. Such material weakness could adversely affect our results of operations and financial condition. In the future, we may identify additional material weaknesses or otherwise fail to maintain an effective system of internal control over financial reporting or adequate disclosure controls and procedures, which may result in material errors in our financial statements or cause us to fail to meet our period reporting obligations.

Our management is responsible for establishing and maintaining adequate internal control over financial reporting, evaluating the effectiveness of our internal controls and disclosing any changes or material weaknesses identified through such evaluation. A material weakness is a deficiency, or a combination of deficiencies, in internal control over financial reporting, such that there is a reasonable possibility that a material misstatement of our annual or interim financial statements will not be prevented or detected on a timely basis.

In February 2026, we determined that certain reciprocal network deposits were misclassified as non-interest bearing deposits when they should have been classified as interest bearing deposits. Additionally, certain expense related thereto was classified as non-interest operating expense when it should have been included in interest expense. As a result, we determined that there were material errors in the financial statements that required a restatement of our financial statements for the years ended December 31, 2023 and 2024 and for the quarterly periods ended March 31, June 30, and September 30, 2024 and 2025. Those restatements are included in this Annual Report on Form 10-K. In addition, management determined that a material weakness existed, and, as a result, that our internal control over financial reporting was not effective as of December 31, 2025 due to control design and implementation deficiencies with respect to the classification of certain reciprocal network deposits.

In response to the identified material weakness noted above, management has begun a remediation plan to enhance its internal control over financial reporting to:

•Enhance risk assessment procedures over deposit networks to identify whether additional control activities are needed to conform to our accounting policies;

•Increase involvement of technical accounting resources for complex areas at initial onboarding and for periodic review; and

•Require formal documentation of technical conclusion and evidence of supervisory oversight for third party networks.

While the enhanced procedures are expected to be effective mitigants, some elements of our remediation plan are not yet complete. Management believes the remediation plan, once fully implemented, will eliminate the identified material weakness, but no assurance can be given that the remediation plan will be fully effective until it is implemented in its entirety.

Effective internal controls over financial reporting are necessary for us to provide reliable financial reports and, together with adequate disclosure controls and procedures, are designed to prevent fraud. Any failure to implement

required new or improved controls, or difficulties encountered in their implementation, could cause us to fail to meet our reporting obligations. If we are not able to comply with the requirements of the Sarbanes-Oxley Act or if we are unable to maintain effective internal control over financial reporting, we may not be able to produce timely and accurate financial statements or guarantee that information required to be disclosed by us in the reports that we file with the SEC, is recorded, processed, summarized, and reported within the time periods specified in SEC rules and forms. Any failure of our internal control over financial reporting or disclosure controls and procedures could cause our investors to lose confidence in our publicly reported information, lead to litigation by holders of our securities, cause the market price of our stock to decline, expose us to sanctions or investigations by the SEC or other regulatory authorities, or impact our results of operations.

Growth Strategy or Potential Mergers and Acquisitions May Produce Unfavorable Outcomes

We seek to expand our franchise safely and consistently. A successful growth strategy requires us to manage multiple aspects of the business simultaneously, such as following adequate loan underwriting standards, balancing loan and deposit growth without compressing our net interest margin, managing interest rate risk, maintaining sufficient capital, and recruiting, training and retaining qualified professionals. Our strategic plan also includes merger and acquisition opportunities that either enhance our market presence or have potential for improved profitability through financial management, economies of scale or expanded services. We may incur significant acquisition related expenses either during the due diligence phase of acquisition targets or during integration of the acquirees. These expenses have and may continue to negatively impact our earnings prior to realizing the benefits of acquisitions. We may also be exposed to difficulties in combining the operations of acquired institutions into our own operations, which may prevent us from achieving the expected benefits from our acquisition activities. Our earnings, financial condition and prospects after the merger may affect our stock price and will depend in part on our ability to integrate the operations and management of the acquired institution while continuing to implement other aspects of our business plan. Inherent uncertainties exist in integrating the operations of an acquired institution and there is no assurance that we will be able to do so successfully. Among the issues that we could face are:

•unexpected problems with operations, personnel, technology or credit;

•loss of customers and employees of the acquiree;

•difficulty in working with the acquiree's employees and customers;

•the assimilation and integration of the acquiree's operations, culture and personnel;

•instituting and maintaining uniform standards, controls, procedures and policies; and

•litigation risk or obligations not discovered during due diligence.

Undiscovered factors as a result of an acquisition could bring liabilities against us, our management and the management of the institutions we acquire. These factors could contribute to our not achieving the expected benefits from our acquisitions within desired time frames, if at all. Further, although we generally anticipate cost savings from acquisitions, we may not be able to fully realize those savings. Any cost savings may be offset by losses in revenues or other charges to earnings.

Competition with Other Financial Institutions to Attract and Retain Banking Customers

We are facing significant competition for customers from other banks and financial institutions located in the markets that we serve. We compete with commercial banks, savings institutions, credit unions, non-bank financial services companies, including financial technology firms, and other financial institutions operating within or near our service areas. Some of our non-bank competitors and peer-to-peer lenders may not be subject to the same extensive regulations as we are, giving them greater flexibility in competing for business. We anticipate intense competition will continue for the coming year due to the continued consolidation of many financial institutions and more changes in legislation, regulation and technology. National and regional banks much larger than our size have entered our market through acquisitions and they may be able to benefit from economies of scale through their wider branch networks, more prominent national advertising campaigns, lower cost of borrowing, capital market access and sophisticated technology infrastructures. Further, intense competition for creditworthy borrowers could lead to pressure for loan rate concessions and affect our ability to generate profitable loans.

Going forward, we may see continued competition in the industry as competitors seek to expand market share in our core markets. Further, our customers may withdraw deposits to pursue alternative investment opportunities. Technology and other changes have made it more convenient for bank customers to transfer funds into alternative investments or other deposit platforms such as online banks and non-bank service providers. Efforts and initiatives we may undertake to retain and increase deposits, including deposit pricing, can increase our costs. While we have a relatively low cost of deposits, if our customers move money into higher yielding deposits or alternative investments, we may lose a relatively inexpensive source of funds, thus increasing our funding costs through more expensive wholesale funding sources, such as FHLB borrowings.

Financial Challenges at Other Banking Institutions Could Lead to Depositor Concerns That Spread Within the Banking Industry Causing Disruptive Deposit Outflows and Other Destabilizing Results That Could Adversely Affect Our Liquidity, Business, Financial Condition and Results of Operations

In the first and second quarters of 2023, certain specialized banking institutions with elevated concentrations of uninsured deposits experienced large deposit outflows, resulting in the institutions being placed into FDIC receiverships. In addition, media and market coverage of the Bay Area economy and local financial institutions, have generated significant market volatility among publicly traded bank holding companies and, in particular, regional and community banks like the Company. These market developments have negatively impacted customer confidence in the safety and soundness of regional and community banks and may impact our financial results in future periods. As a result, customers may choose to maintain deposits with larger financial institutions or invest in higher yielding short-term fixed income securities, all of which could materially adversely impact the Company’s liquidity, loan funding capacity, net interest margin, capital and results of operations.

We maintain a well-diversified deposit base, with an estimated 31% of uninsured and/or uncollateralized deposits as of December 31, 2025. Such uninsured deposits were fully covered by the Bank's available funding sources, including unrestricted cash, unencumbered available-for-sale securities, and a total available borrowing capacity of $2.148 billion, or 63% of total deposits, and 209% of estimated uninsured and/or uncollateralized deposits as of December 31, 2025. Excluding zero balance accounts, 62% of deposit balances were held in business accounts with average balances of $141 thousand per account, with the remaining 38% in consumer accounts with average balances of $40 thousand per account as of December 31, 2025.

Although we maintain strong liquidity for the normal operations of the Bank, model various stress scenarios, and maintain significant contingent liquidity sources, general depositor concerns could lead to deposit outflows from our Bank. If our deposits decline and we replace them with more expensive sources of funding, such as FHLB and FRB borrowings, and/or brokered deposits, if customers shift their deposits into higher cost products, or if we raise interest rates to avoid losing deposits, our financial condition and results of operations could be negatively affected. In addition, adverse operating results or changes in industry conditions could lead to difficulty or an inability to access these additional funding sources, constraining our financial flexibility, and ability to originate loans, invest in securities, and distribute dividends to our shareholders. In addition, such a lack of liquidity could result in the sale of securities in an unrealized loss position. All of these factors could have a material adverse impact on our asset growth, liquidity, business, financial condition, and results of operations.

We May Not Be Able to Attract and Retain Key Employees

Our success depends in large part on our ability to attract qualified personnel and to retain key employees, as well as the prompt replacement of retiring executives. The loss of key personnel and/or our inability to secure qualified candidates to replace retiring executives could have an unfavorable effect on our business due to the required skills and knowledge of our market and years of industry experience.

Bancorp Relies on Dividends from the Bank to Pay Cash Dividends to its Shareholders as Well as to Meet Other Financial Obligations

Bancorp is a separate legal entity from its subsidiary, the Bank. Bancorp receives substantially its entire cash stream from the Bank in the form of dividends, which is Bancorp's principal source of funds to meet Bancorp's debt service requirements, pay cash dividends to Bancorp's common shareholders, repurchase shares, and cover

operational expenses of the holding company. In addition to the Bank dividends, the Bancorp received proceeds from the issuance of subordinated notes in 2025. Various federal and state laws and regulations limit the amount of dividends that the Bank may pay to Bancorp. In the event that the Bank is unable to pay dividends to Bancorp, Bancorp may not be able to pay dividends to its shareholders. As a result, it could have an adverse effect on Bancorp's stock price and investment value.

Federal law would prohibit capital distributions from the Bank, with limited exceptions, if the Bank were categorized as "undercapitalized" under applicable Federal Reserve or FDIC regulations. In addition, as a California bank, Bank of Marin is subject to state law restrictions on the payment of dividends. For further information on the distribution limit from the Bank to Bancorp, see the section captioned “Bank Regulation” in ITEM 1 above and “Dividends” in Note 8 to the Consolidated Financial Statements in ITEM 8 of this report.

The Value of Goodwill and Other Intangible Assets May Decline in the Future

As of December 31, 2025, we had goodwill totaling $72.8 million and a core deposit intangible asset totaling $1.9 million from business acquisitions. A significant decline in expected future cash flows, a significant adverse change in the business climate, or a significant and sustained decline in the price of our common stock could necessitate taking charges in the future related to the impairment of goodwill or other intangible assets. If we were to conclude that a future write-down of goodwill or other intangible assets is necessary, we would record the appropriate charge, which could have a material adverse effect on our business, financial condition and results of operations.

If we are not able to successfully keep pace with technological changes in the industry, our business could be hurt.

The financial services industry is constantly undergoing technological change, with the frequent introduction of new technology-driven products and services including new payment solutions and the use of agentic artificial intelligence (“AI”). The effective use of technology increases efficiency and enables financial institutions to better serve clients and reduce costs, including mitigating fraud risks. Our future success depends, in part, upon our ability to respond to the needs of our clients by using technology to provide desired products and services and create additional operating efficiencies. Some of our competitors have substantially greater resources to invest in technological improvements. We may not be able to effectively implement new technology-driven products and services or be successful in marketing these products and services to our clients. Failure to keep pace with technological change in the financial services industry could have a material adverse impact on our business and, in turn, on our financial condition and results of operations.

We are subject to risks associated with the adoption of new technologies such as AI.

The Company or its third-party vendors, clients or counterparties may develop or incorporate AI technology, including agentic AI, in certain business processes, services or products. The legal and regulatory environment relating to AI is uncertain and rapidly evolving, and includes regulation targeted specifically at AI as well as provisions in intellectual property, privacy, consumer protection, employment and other laws applicable to the use of AI. These evolving laws and regulations could require changes in the Company’s or third parties’ implementation of AI technology and increase the Company’s compliance costs and risk of non-compliance. The Company’s deployment of artificial intelligence at this time is generally limited to internally focused, assistive productivity tools such as Microsoft Copilot. The Company continues to evaluate additional AI capabilities, including agentic AI, in limited capacities, and the associated risks, including potential errors or inaccuracies in work product, data privacy and confidentiality, intellectual property considerations, potential bias, and cybersecurity.

Market, Interest Rate, and Liquidity Risks

A Lack of Liquidity could Adversely Affect our Operations, Financial Condition and Results of Operations

Liquidity is essential to our business and our ability to fund our operations, effectively manage the repayment and maturity schedules of our loans and investment securities, distribute dividends to our shareholders, and fulfill our debt obligations or deposit withdrawal demands. Our most important source of funding consists of deposits, which is affected by external factors outside the Bank's control as well as customers' perceptions, business operations,

and investment goals. If customers move money out of bank deposits and into other investments, then we would lose a relatively low-cost source of funds, increasing our funding costs and reducing our net interest income and net income. Based on experience, we believe that our deposit accounts are relatively stable sources of funds.

Other primary sources of funds consist of cash flows from operations, investment maturities and sales, loan repayments, and proceeds from the issuance and sale of any equity and debt securities to investors. Additional liquidity is provided by our ability to borrow from the Federal Reserve Bank of San Francisco, Federal Home Loan Bank and other financial institutions, as well as our ability to raise brokered deposits. Our access to funding sources in amounts adequate to finance or capitalize our activities, or on terms that are acceptable to us, could be impaired by factors that affect us directly or the bank or non-bank financial services industries or the economy in general, such as disruptions in the financial markets or negative views and expectations about the prospects for the bank or non-bank financial services industries.

Earnings are Significantly Influenced by General Business and Economic Conditions

Our success depends, to a certain extent, on local, national and global economic and political conditions. Unlike larger national or other regional banks that are more geographically diversified, we provide banking and financial services to customers primarily in Northern California with particular focus on the local markets in the San Francisco Bay and Greater Sacramento regions. The local economic conditions in these areas have a significant impact on the demand for our products and services as well as the ability of our customers to repay loans, the value of the collateral securing loans and the stability of our deposits as our primary funding source. Economic pressure on consumers and uncertainty regarding the economy and local business climate may result in changes in consumer and business spending, borrowing and saving habits, which may affect the demand for loans and other products and services we offer. Further, loan defaults that adversely affect our earnings correlate highly with deteriorating economic conditions (such as the California unemployment rate and California gross domestic product), which impact our borrowers' creditworthiness. In addition, health epidemics or pandemics (or expectations about them), international trade disputes, inflation risks, oil price volatility, the level of U.S. debt and global economic conditions could destabilize financial markets in which we operate. Lastly, actions of the Federal Open Market Committee ("FOMC") of the Federal Reserve could cause financial market volatility, which will affect the pricing of our loan and deposit products.

Interest Rate Risk is Inherent in Our Business

Our earnings are largely dependent upon our net interest income, which is the difference between interest income earned on interest-earning assets, such as loans and securities, and interest expense paid on interest-bearing liabilities, such as deposits and borrowed funds. Interest rates are sensitive to many factors outside of our control, including general economic conditions and the policies of various governmental and regulatory agencies and, in particular, the FOMC, which regulates the supply of money and credit in the United States. Changes in monetary policy, including changes in interest rates, can influence not only the interest we receive on loans and securities and interest we pay on deposits and borrowings, but can also affect (i) our ability to originate loans and obtain deposits, (ii) the duration of our securities and loan portfolios, and (iii) the fair value of our financial assets and liabilities. In fact, the FOMC’s aggressive interest rate increases, discussed more fully below, negatively affected each of these areas of our business in recent years. Our portfolio of loans and securities will generally decline in value if market interest rates increase, and increase in value if market interest rates decline. Decreases in the market value of investment securities available for sale negatively impact the Bank's tangible equity through accumulated other comprehensive losses. In addition, our loans and callable mortgage-backed securities are also subject to prepayment risk when interest rates fall, and the borrowers' credit risk may increase in rising rate or recessionary environments. Factors such as inflation, productivity, oil prices, unemployment rates, and global demand play a role in the FOMC's consideration of future rate adjustments.

The federal funds rate range remained between 0.0% to 0.25% from March 2020 through the beginning of 2022, putting downward pressure on our asset yields and net interest margin. Beginning in March 2022, the FOMC began successive increases to the federal funds rate due to the evolving inflation risks, complicated by international political unrest and supply chain disruptions. The FOMC began increasing rates in March 2022, totaling seven rate increases in 2022 and four additional rate increases in 2023, and ended the year of 2023 at a federal funds target rate range between 5.25% and 5.50%. Rising interest rates and first quarter 2023 disruptions in the banking

industry resulted in rapid increases in the cost of funds through rising deposit costs and increased borrowings, putting pressure on net interest margin starting in the second quarter of 2023. The FOMC lowered the target for the federal funds rate by 100 basis points, to a range of 4.25% to 4.50% in the later months of 2024. The FOMC resumed decreasing rates in September 2025, and made a total of three rate decreases in 2025 ending the year at a range of 3.50% to 3.75%.

See the Net Interest Income section of Management's Discussion and Analysis of Financial Condition and Results of Operations in ITEM 7 and Quantitative and Qualitative Disclosures about Market Risk in ITEM 7A of this report for further discussion related to interest rate sensitivity and our management of interest rate risk.

An Increase in Interest Rates Could Decrease the Value of the Company’s Available-for-Sale Securities Portfolio, and the Company Would Realize Losses if It Were Required to Sell Such Securities to Meet Liquidity Needs

Because of inflationary pressures and the resulting rapid increases in the federal funds target rate since March 2022, the market value of previously issued government and other fixed income securities has declined significantly. These securities make up a majority of the securities portfolio of most banks in the U.S., including the Company’s, resulting in unrealized losses embedded in the held-to-maturity portion of U.S. banks’ securities portfolios and unrealized losses on available-for-sale securities reflected in the Company’s accumulated other comprehensive income (loss). We maintain an investment securities portfolio to provide liquidity and to generate earnings on funds that have not been loaned to customers while managing our liquidity and interest rate position, seeking a reasonable yield balanced with risk exposure. While it is neither our intention to sell securities at a net loss in the normal course of business, nor were we required to, we strategically sold securities in the third and fourth quarters of 2023, the second quarter of 2024, and the second and fourth quarters of 2025, to reposition the balance sheet to bolster net interest margin. If the Company were to sell additional securities in an unrealized loss position, it may incur losses that could impair the Company’s capital, financial condition, and results of operations and may require the Company to raise additional capital on unfavorable terms, thereby negatively impacting its profitability and potentially causing shareholder dilution.

Activities of Our Large Borrowers and Depositors May Cause Unexpected Volatilities in Our Loan and Deposit Balances, as well as Net Interest Margin

Loans originated at higher interest rates may be paid off and replaced by new loans with lower interest rates, causing downward pressure on our net interest margin. In addition, our top ten depositor relationships accounted for approximately 12% and 9% of total deposit balances at December 31, 2025 and 2024, respectively. The business models and cash cycles of some of our large commercial depositors may also cause short-term volatility in their deposit balances held with us. As our customers' businesses grow, the dollar value of their daily activities may also grow leading to larger fluctuations in daily balances. While we manage our liquidity with consideration given to deposit concentration and volatility, any long-term decline in deposit funding would adversely affect our liquidity. For additional information on our management of deposit volatility, refer to the Liquidity section of ITEM 7, Management's Discussion and Analysis, of this report.

Unexpected Early Termination of Interest Rate Swap Agreements May Affect Earnings

We have entered into interest-rate swap agreements, primarily as an asset/liability risk management tool, in order to mitigate the interest rate risk that causes fluctuations in the fair value of specified long-term fixed-rate loans or firm commitments to originate long-term fixed rate loans. In the event of default by the borrowers on our hedged loans, we may have to terminate these designated interest-rate swap agreements early, resulting in market value losses that could negatively affect our earnings.

The Trading Volume of Bancorp's Common Stock May Be Less than That of Other, Larger Financial Services Companies

Our common stock is listed on the Nasdaq Global Select Market exchange. Our trading volume is less than that of nationwide or larger regional financial institutions. A public trading market having the desired characteristics of depth, liquidity and orderliness depends on the presence of willing buyers and sellers of common stock at any given

time. This presence depends on the individual decisions of investors and general economic and market conditions over which we have no control. Given the low trading volume of our common stock, significant trades of our stock in a given time period, or the expectations of these trades, could cause volatility in the stock price.

Credit Risks

We are Subject to Significant Credit Risk and Loan Losses May Exceed Our Allowance for Credit Losses in the Future

The operation of our business requires us to manage credit risk. As a lender, we are exposed to the risk that our borrowers will be unable to repay their loans according to their terms, and that the collateral securing repayment of their loans, if any, may not be sufficient to ensure repayment. In addition, there are risks inherent in making any loan, including risks with respect to the period of time over which the loan may be repaid, risks relating to proper loan underwriting, risks resulting from changes in economic and industry conditions and risks inherent in dealing with individual borrowers. In order to successfully manage credit risk, we must, among other things, maintain disciplined and prudent underwriting standards and ensure that our bankers follow those standards. The weakening of these standards for any reason, such as an attempt to attract higher yielding loans, a lack of discipline or diligence by our employees in underwriting and monitoring loans, the inability of our employees to adequately adapt policies and procedures to changes in economic or any other conditions affecting borrowers and the quality of our loan portfolio, may result in loan defaults, foreclosures and additional charge-offs and may necessitate that we significantly increase our allowance for credit losses on loans, each of which could adversely affect our net income. As a result, any inability to successfully manage credit risk could have a material adverse effect on our business, financial condition or results of operations.

We maintain allowances for credit losses on loans and unfunded loan commitments that represent management's best estimate of expected credit losses over the contractual lives of our loans under the current expected credit loss method. The level of the allowance reflects management's continuous evaluation of specific credit risks, loan loss experience, current loan portfolio quality and present and forecasted economic, political and regulatory conditions. The determination of the appropriate level of the allowances inherently involves a high degree of subjectivity and requires us to make significant estimates of current credit risks and trends and future economic forecasts, all of which may undergo material changes. Inaccurate assumptions in appraisals or an inappropriate choice of the valuation techniques may lead to an inadequate level of specific reserve or charge-offs.

The Small to Medium-sized Businesses that we Lend to may have Fewer Resources to Weather Adverse Economic and Other Developments, which may Impair a Borrower's Ability to Repay a Loan

We focus our business development and marketing strategy primarily on small to medium-sized businesses. Small to medium-sized businesses frequently have smaller market shares than their competition, may be more vulnerable to economic downturns, often need substantial additional capital to expand or compete and may experience substantial volatility in operating results, any of which may impair a borrower's ability to repay a loan. In addition, the success of a small and medium-sized business often depends on the management talents and efforts of one or two people or a small group of people, and the death, disability or resignation of one or more of these people could adversely affect the business and its ability to repay its loan. If general economic conditions negatively affect the California markets in which we operate and small to medium-sized businesses are adversely affected or our borrowers are otherwise affected by adverse business developments, our business, financial condition and results of operations may be negatively affected.

Negative Conditions Affecting Real Estate May Harm Our Business and Our Commercial Real Estate Concentration May Heighten Such Risk

Concentration of our lending activities in the California real estate sector could negatively affect our results of operations if adverse changes in our lending area occur. As of December 31, 2025, approximately 90% of our loans had real estate as a primary or secondary component of collateral, which were comprised of 72% commercial real estate, 27% residential real estate and 1% land. Real estate valuations are influenced by demand, and demand is driven by economic factors such as employment rates and interest rates.

Loans secured by CRE include those secured by office buildings, owner-user office/warehouses, mixed-use commercial, retail properties and multi-family residential real estate. There can be no assurance that properties securing our loans will generate sufficient cash flows to allow borrowers to make full and timely loan payments to us. We do not lend on high-rise office towers in San Francisco and the Bay Area generally, but we do take office and other commercial properties as collateral in our CRE lending. For a discussion of our CRE lending, including detail on the types of properties in our real estate secured lending and geographic distribution of such loans, please see the discussion titled “FINANCIAL CONDITION – Loans” herein.

Rising CRE lending concentrations may expose institutions to unanticipated earnings and capital volatility in the event of adverse changes in the CRE market. Concentration risk exists when financial institutions deploy too many assets to any one industry or segment. Concentration stemming from commercial real estate is one area of regulatory concern. The CRE Concentration Guidance provides supervisory criteria, including the following numerical indicators, to assist bank examiners in identifying banks with potentially significant commercial real estate loan concentrations that may warrant greater supervisory scrutiny: (i) total commercial real estate loans exceeding 300% of capital and increasing 50% or more in the preceding three years; or (ii) construction and land development loans exceeding 100% of capital. The CRE Concentration Guidance does not limit banks’ levels of commercial real estate lending activities, but rather guides institutions in developing risk management practices and levels of capital that are commensurate with the level and nature of their commercial real estate concentrations. As of December 31, 2025 and 2024, using regulatory definitions in the CRE Concentration Guidance, our CRE loans represented 350% and 311%, respectively, of our total risk-based capital. We manage our CRE concentrations and discuss them as necessary with the banking regulatory agencies and believe that our underwriting policies, management information systems, independent credit administration process, and monitoring of real estate loan concentrations are currently sufficient to address the CRE Concentration Guidance.

Accounting Estimates and Risk Management Processes Rely on Analytical and Forecasting Models

The processes we use to estimate expected credit losses on loans and investment securities, and to measure the fair value of financial instruments, as well as the processes used to estimate the effects of changing interest rates and other market measures on our financial condition and results of operations, depends upon the use of analytical and forecasting models. These models reflect assumptions that may not be accurate, particularly in times of market volatility or other unforeseen circumstances. Even if these assumptions are adequate, the models may prove to be inadequate or inaccurate because of other flaws in their design or their implementation. If the models we use for interest rate risk and asset-liability management are inadequate, we may incur increased or unexpected losses upon changes in market interest rates or other market factors. If the models we use for determining our expected credit losses on loans and investment securities are inadequate, the allowance for credit losses may not be sufficient to support future charge-offs. If the models we use to measure the fair value of financial instruments are inadequate, the fair value of such financial instruments may fluctuate unexpectedly or may not accurately reflect what we could realize upon sale or settlement of such financial instruments. Any such failure in our analytical or forecasting models could have a material adverse effect on our business, financial condition and results of operations.

Investment Securities May Lose Value due to Credit Quality of the Issuers

We invest in significant portions of debt securities issued by government-sponsored enterprises ("GSE"), such as Federal Home Loan Bank ("FHLB"), Federal National Mortgage Association (“FNMA”), and Federal Home Loan Mortgage Corporation ("FHLMC"). We also hold mortgage-backed securities (“MBS”) issued by FNMA and FHLMC, both of which have been under U.S. government conservatorship since 2008. While we consider FNMA and FHLMC securities to have low credit risk as they carry the explicit backing of the U.S. government due to the conservatorship, they are not direct obligations of the U.S. government. The fair value of our securities issued or guaranteed by these two GSE entities may be negatively impacted if the U.S. government ceases to provide support to the conservatorship. GSE debt is sponsored but not guaranteed by the federal government and carries

implicit backing, whereas government agencies such as Government National Mortgage Association ("GNMA") are divisions of the government whose securities are backed by the full faith and credit of the U.S. government.

Although Congress has taken steps to improve regulation and consumer protection related to the housing finance system (e.g., the Dodd-Frank Act), FNMA and FHLMC have entered their 18th year of U.S. government conservatorship in 2025 via the Federal Housing Finance Agency ("FHFA"). While proposals to end the conservatorship have considered solutions such as an initial public offering, at the date of this report, its future and ultimate impact on the financial markets and our investments in GSEs are uncertain.

While we generally seek to minimize our exposure by strategically diversifying our credit exposure to obligations of issuers in various geographic locations throughout California and the U.S., investing in investment-grade securities, and actively monitoring the creditworthiness of the issuers and/or credit guarantee providers, there is no guarantee that the issuers will remain financially sound or continue their payments on these debentures.

Operational and Other Risks

Risks Associated with Cybersecurity Could Negatively Affect Our Earnings and Reputation

Our business requires the secure management of sensitive client and bank information. We work diligently to implement layered security measures that intend to make our communications and information systems resilient and safe to conduct business. With the advent of AI, cyber threats such as social engineering, ransomware, and phishing are more sophisticated and prevalent now than ever before. These incidents include intentional and unintentional events that may present threats designed to disrupt operations, corrupt data, release sensitive information, or cause denial-of-service attacks. A cybersecurity breach of systems operated by the Bank, merchants, vendors, customers, or externally publicized breaches of other financial institutions may significantly harm our reputation, result in a loss of customer business, subject us to regulatory scrutiny, or expose us to civil litigation and financial liability. While we have systems and procedures designed to prevent security breaches, we cannot be certain that advances in cyberthreats, criminal capabilities, network break-ins, or inappropriate access will not compromise or breach the technology protecting our networks or proprietary client information. If a material security breach were to occur, the Bank has policies and procedures in place to ensure timely disclosure. For additional information on cybersecurity management and governance, refer to ITEM-1C, Cybersecurity, in this report.

Climate change and related legislative and regulatory initiatives may materially affect the Company’s business and results of operations

Concerns over the long-term impacts of climate change have led to governmental efforts around the world to mitigate those impacts. As a result, political and social attention to the issue of climate change has increased. The U.S. government, state legislatures and federal and state regulatory agencies are likely to continue to propose and advance numerous legislative and regulatory initiatives seeking to mitigate the effects of climate change. These initiatives and increasing supervisory expectations may require the Company to expend significant capital and incur compliance, operating, maintenance and remediation costs. In addition, given the lack of empirical data on the credit and other financial risks posed by climate change, it is impossible to predict how climate change may impact our financial condition and operations. As a banking organization, the physical effects of climate change may present certain unique risks. For example, our primary market is located in both earthquake and wildfire-prone zones in Northern California, which is also subject to other weather or disasters, such as severe rainstorms, drought or flood. These events have interrupted our business operations unexpectedly at times (e.g., PG&E power shutoffs in the North Bay and Sacramento Region). Climate-related physical changes and hazards could also pose credit risks for us. For example, our borrowers may have collateral properties or operations located in areas at risk of wildfires, or coastal areas at risk to rising sea levels and erosion, or subject to the risk of drought in California. The properties pledged as collateral on our loan portfolio could also be damaged by tsunamis, landslides, floods, earthquakes or wildfires and thereby the recoverability of loans could be impaired. A number of factors can affect credit losses, including the extent of damage to the collateral, the extent of damage not covered by insurance, the extent to which unemployment and other economic conditions caused by the natural disaster adversely affect the ability of borrowers to repay their loans, and the cost of collection and foreclosure to us. Additionally, there could be increased insurance premiums and deductibles, or a decrease in the availability of coverage, due to severe

weather-related losses. The ultimate outcome on our business of a natural disaster, whether or not caused by climate change, is difficult to predict but could have a material adverse effect on financial condition, results of operations or profitability.

We Rely on Third-Party Vendors for Important Aspects of Our Operation

We depend on the accuracy and completeness of information and systems provided by certain key vendors, including but not limited to data processing, payroll processing, technology support, investment safekeeping and accounting. For example, we outsource core processing to Fidelity Information Services ("FIS") and wire processing to Finastra, which are leading financial services solution providers that allow us access to competitive technology offerings without having to invest in their development. Our ability to operate, as well as our financial condition and results of operations, could be negatively affected in the event of an interruption of an information system, an undetected error, a cyber-breach, or in the event of a natural disaster whereby certain vendors are unable to maintain business continuity.

Regulatory and Compliance Risks

Banks and Bank Holding Companies are Subject to Extensive Government Regulation and Supervision

Bancorp and the Bank are subject to extensive federal and state governmental supervision, regulation and control. Holding company regulations affect the range of activities in which Bancorp is engaged. Banking regulations affect the Bank's lending practices, capital structure, investment practices, dividend policy, and compliance costs among other things. Compliance risk is the current and prospective risk to earnings or capital arising from violations of, or non-conformance with, laws, rules, regulations, prescribed practices, internal policies and procedures, or ethical standards set forth by regulators. Compliance risk also arises in situations where the laws or rules governing certain bank products or activities of our clients may be ambiguous or untested. This risk exposes Bancorp and the Bank to potential fines, civil money penalties, payment of damages and the voiding of contracts. Compliance risk can lead to diminished reputation, reduced franchise value, limited business opportunities, reduced expansion potential and an inability to enforce contracts. The Bank manages these risks through its extensive compliance plan, policies and procedures. For further information on supervision and regulation, see the section captioned “SUPERVISION AND REGULATION” in ITEM 1 of this report.

Significant changes or developments in U.S. laws or policies, and the reactions of the national and global economy to such changes, may have a material adverse effect on our business.

There are uncertainties around the legal and regulatory approach that will be taken under the Trump administration, and we cannot predict the likelihood, nature or extent of changes in law or government regulations that may arise from future legislation or administrative or executive action, either in the United States or abroad.

The current administration’s rapidly evolving policy pronouncements and executive orders create an unpredictable regulatory landscape. This unpredictability can result in sudden changes to the legal and regulatory framework governing our operations, making it challenging to plan and execute our business strategies effectively. Additionally, the potential for abrupt policy shifts may cause fluctuations in market conditions, impacting our investment portfolio, lending activities, and overall financial performance. The general uncertainty associated with the administration’s policy approach may also lead to increased market volatility and disruptions that could affect the availability and cost of capital, the valuation of our assets, the stability of our funding sources, and the financial health and operations of our borrowers. In turn, this may impact our ability to meet regulatory capital requirements, manage liquidity, and maintain profitability.

The administration’s efforts to roll back financial regulations, which may include those established under the Bank Secrecy Act, the Dodd-Frank Wall Street Reform and Consumer Protection Act, and others could lead to changes in the regulatory environment in which we operate. While deregulation may reduce compliance costs and regulatory burdens, it may also increase competition and risk-taking in the financial services sector, potentially leading to greater market volatility and financial instability. We cannot, however, accurately predict the full effects of recent or

future legislation or the various other governmental, regulatory, monetary, and fiscal initiatives which have been and may be enacted on the financial markets, the Company, and the Bank.

We continue to monitor regulatory developments and adjust our strategies accordingly. However, the inherent unpredictability of the current regulatory environment poses a risk to our business that could have material adverse effects on our financial condition and results of operations.

Any Regulatory Examination Scrutiny or New Regulatory Requirements Applicable to the Banking Industry Could Increase the Company’s Expenses and Affect the Company’s Operations

The Company could be subject to increased regulatory scrutiny – in the course of routine examinations and otherwise – and new regulations directed towards banks of similar size to the Bank, designed to address the recent negative developments in the banking industry, all of which may increase the Company’s costs of doing business and reduce its profitability.

ITEM 1B. UNRESOLVED STAFF COMMENTS

None

ITEM 1C. CYBERSECURITY

Cybersecurity Risk Management, Strategy, and Governance

The Company recognizes that the security of our banking operations is critical to protecting our customers and maintaining our reputation. The cybersecurity landscape is constantly evolving. To mitigate these risks, the Company deploys a comprehensive and resilient information security program that consists of a layered security model using industry leading hardware, software, and services to protect customers' and the Bank’s data and to ensure the confidentiality, integrity, and availability of our information systems. This information security program is a critical component of our overall enterprise risk management program.

The Company leverages the following guidelines and frameworks to continue to refine and maintain the information security program: FFIEC Information Security IT Examination Handbook, FFIEC Business Continuity Planning Handbook, Center for Internet Security Critical Security Controls, National Institute of Standards and Technology (NIST) Cybersecurity Framework.

Key components of the information security program include:

•A risk assessment process that identifies and prioritizes material cybersecurity risks; refines and evaluates the effectiveness of controls to mitigate the risks; and reports results to executive management and the Board of Directors.

•A third-party Managed Detection and Response (“MDR”) service, which monitors the security of our network, infrastructure and computer systems 24x7, 365 days a year.

•An incident response plan that outlines the steps the Bank will take to respond to a cybersecurity incident, which is tested on a periodic basis.

•Annual recurring cybersecurity controls testing program, which includes independent third-party penetration testing, cybersecurity procedures and system testing, and third-party independent network traffic monitoring.

•A training and awareness program that educates and tests employees on how to avoid and identify cybersecurity risks.

•A Cyber Security Insurance Policy that covers insurance, incident response, incident mitigation, and legal support.

The Company engages reputable third-party assessors to conduct various independent risk assessments on a regular basis, including but not limited to maturity assessments and various other tests. Following a defense-in-depth strategy, the Company leverages both in-house resources and third-party service providers to implement and maintain processes and controls to manage the identified risks.

Our vendor management program is designed to ensure that our vendors meet our cybersecurity requirements and manage our third-party risks. This includes conducting periodic risk assessments of critical vendors, requiring vendors to implement appropriate cybersecurity controls, and monitoring vendor compliance with our cybersecurity requirements.

Security controls are employed on all media where information is stored, the systems that process it, and infrastructure components that facilitate its transmission to ensure the confidentiality, integrity, and availability of Bank’s and customers' information. These controls include, but are not limited to, access control, data encryption, data loss prevention, incident response, security monitoring, third party risk management, and vulnerability management.

The Company's cybersecurity risk management program and strategy are regularly reviewed and updated to ensure that they are aligned with the Bank's business objectives and are designed to address evolving cybersecurity threats and satisfy regulatory requirements and industry standards.

The Company’s Board of Directors is charged with overseeing the establishment and execution of the Company’s risk management framework and monitoring adherence to related policies required by applicable statutes, regulations and principles of safety and soundness. Consistent with this responsibility, the Board has primary oversight of cybersecurity risk and cybersecurity risk management and receives reporting from management about material risks from cybersecurity threats. All members of the Board of Directors receive regular updates on cybersecurity risks and incidents from the Information Security Officer (“ISO”) and Chief Information Officer (“CIO”) and annual security awareness training. The Information Security department consists of cybersecurity professionals who assess, identify, and manage cybersecurity risks and are responsible for implementing and maintaining the Company’s cybersecurity risk management program.

ITEM 2. PROPERTIES

We lease our corporate headquarters building in Novato, California, which houses loan production, operations, Wealth Management and Trust Services and administration. We lease branch and office facilities within our primary market areas in the cities of Corte Madera, San Rafael, Novato, Sausalito, Mill Valley, Greenbrae, Petaluma, Santa Rosa, Healdsburg, Sonoma, Napa, San Francisco, Alameda, Oakland, Walnut Creek, Gold River, Jackson, Roseville, and Sacramento. For additional information on properties, refer to Note 4, Bank Premises and Equipment, and Note 12, Commitments and Contingencies, in ITEM 8 of this report.

ITEM 3. LEGAL PROCEEDINGS

For information on litigation matters, see Note 12, Commitments and Contingencies, in ITEM 8 of this report.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

PART II

ITEM 5. MARKET FOR REGISTRANT'S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

Market Information and Holders

Bancorp's common stock trades on the Nasdaq Capital Market under the symbol BMRC. At February 27, 2026, 16,126,486 shares of Bancorp's common stock, no par value, were outstanding and held by approximately 12,800 holders of record and beneficial owners.

Five-Year Stock Price Performance Graph

The following graph, compiled by S&P Global Market Intelligence of New York, New York, shows a comparison of cumulative total shareholder return on our common stock during the five fiscal years ended December 31, 2025 compared to the Russell 2000 Stock index and the S&P Regional Banks Select Industry Index. The comparison assumes the investment of $100 in our common stock on December 31, 2020 and the reinvestment of all dividends. The graph represents past performance and does not indicate future performance. In addition, total return performance results vary depending on the length of the performance period.


	2020	2021	2022	2023	2024	2025
Bank of Marin Bancorp (BMRC)	100.00	111.20	100.95	71.09	80.97	92.46
Russell 2000 Index	100.00	114.82	91.35	106.82	119.14	134.40
S&P Regional Banks Select Industry Index 1	100.00	139.90	119.26	110.40	131.50	145.48
Source: S&P Global Market Intelligence

1 The index comprises stocks in the S&P Total Market Index that are classified in the Global Industry Classification Standard regional banks sub-industry.

Securities Authorized for Issuance under Equity Compensation Plans

The following table summarizes information as of December 31, 2025, with respect to equity compensation plans.


	Shares to be issued upon exercise of outstanding options1	Weighted average exercise price of outstanding options		Shares remaining available for future issuance 2
Equity compensation plans approved by shareholders	213,644	$	35.22	850,547

1 Represents shares of common stock issuable upon exercise of outstanding options under the Bank of Marin Bancorp 2017 Equity Plan and 2007 Equity Plan.

2 Represents remaining shares of common stock available for future grants under the 2017 Equity Plan and the 2020 Director Stock Plan, excluding 213,644 shares to be issued upon exercise of outstanding options and 369,200 shares available to be issued under the Employee Stock Purchase Plan.

Purchases of Equity Securities by the Issuer and Affiliated Purchasers

On July 24, 2025, the Board of Directors approved the adoption of Bancorp's share repurchase program for up to $25.0 million effective July 24, 2025 through July 31, 2027. This stock buyback program replaced the program approved in 2023 which expired July 31, 2025, under which Bancorp repurchased 320,000 shares totaling $6.4 million. Bancorp repurchased 150,000 shares totaling $3.3 million at an average price of $21.93 per share during the year ended December 31, 2025, and repurchased 220,000 shares totaling $4.3 million at an average price of $19.21 per share during the year ended December 31, 2024.

Shares repurchased pursuant to our common stock share repurchase programs during 2025, 2024 and 2023, were as follows.


	2025		2024		2023		Cumulative Totals
Total number of common shares repurchased	150,000		220,000		0		370,000
Total purchase price of common shares repurchased (in millions)	$	3.3	$	4.3	$	—	$	7.6

The following table reports information regarding repurchases of our common stock during the year ended December 31, 2025:


(in thousands, except per share data)	Total Number of Shares Purchased	Average Price Paid per Share 1, 2		Total Number of Shares Purchased as Part of Publicly Announced Programs	Approximate Dollar Value That May yet Be Purchased Under the Program 3
Period


January 1, 2025 to January 31, 2025	—	$	—	—	$	20,766
February 1, 2025 to February 28, 2025	—	—		—	20,766
March 1, 2025 to March 31, 2025	—	—		—	20,766
April 1, 2025 to April 30, 2025	—	—		—	20,766
May 1, 2025 to May 31, 2025	—	—		—	20,766
June 1, 2025 to June 30, 2025	100	21.72		100	18,591
July 1, 2025 to July 31, 2025	—	—		—	25,000
August 1, 2025 to August 31, 2025	50	22.33		50	23,882
September 1, 2025 to September 30, 2025	—	—		—	23,882
October 1, 2025 to October 31, 2025	—	—		—	23,882
November 1, 2025 to November 30, 2025	—	—		—	23,882
December 1, 2025 to December 31, 2025	—	—		—	23,882
Year ended December 31, 2025	150	$	21.93	150	$	23,882
1 Average price paid per share excludes commission.
2 The aggregate purchase price and weighted average price per share does not include the effect of excise tax expense incurred on net stock repurchases. For the year ended December 31, 2025, the excise tax, net of issuances, was approximately $6 thousand.
3 On July 24, 2025, the Board of Directors approved the adoption of Bancorp's share repurchase program for up to $25.0 million and this repurchase program expiries on July 31, 2027.

ITEM 6. [RESERVED]

ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following discussion of financial condition as of December 31, 2025 and 2024 and results of operations for each of the years in the three-year period ended December 31, 2025 should be read in conjunction with our consolidated financial statements and related notes thereto, included in Part II ITEM 8 of this report.

The Company restated its Consolidated Statements of Condition and revised its Consolidated Statements of Comprehensive (Loss) Income for the years ended December 31, 2024 and 2023, and the quarters ended September 30, 2025, June 30, 2025, March 31, 2025, September 30, 2024, June 30, 2024, and March 31, 2024, (the “Affected Periods”) for misstatements between the balance sheet and income statement that were determined, in the aggregate, to be material to previously issued financial statements. Generally, the restatements and revisions related to the misclassification of certain deposits and expenses related thereto as non-interest bearing deposits and non-interest expense when they should have been classified as interest bearing deposits and interest expense. See “Note 19, Restatement of Prior Period Financial Statements (Quarterly Information Unaudited)” in Item 8 of this Form 10-K, for additional information related to the restatement and revision, including descriptions of the misstatements and the impacts on our consolidated financial statements. All affected tables and narrative disclosures herein from the Affected Periods have likewise been corrected.

Forward-Looking Statements

The disclosures set forth in this item are qualified by important factors detailed in Part I captioned Forward-Looking Statements and ITEM 1A captioned Risk Factors of this report and other cautionary statements set forth elsewhere in the report.

Critical Accounting Estimates

Critical accounting estimates are those estimates made in accordance with generally accepted accounting principles that involve a significant level of estimation and uncertainty and have had or are reasonably likely to have a material impact on our financial condition and results of operations. We consider accounting estimates to be critical to our financial results if (i) the accounting estimate requires management to make assumptions about matters that are highly uncertain, (ii) management could have applied different assumptions during the reported period, and (iii) changes in the accounting estimate are reasonably likely to occur in the future and could have a material impact on our financial statements. Management has determined the following accounting estimates and related policies to be critical.

Allowance for Credit Losses on Loans and Unfunded Commitments

The allowance for credit losses on loans is a valuation account that is deducted from the amortized cost basis at the balance sheet date to present the net amount of loans expected to be collected. The allowance for credit losses on unfunded loan commitments is based on estimates of the probability that these commitments will be drawn upon according to historical utilization experience, expected loss severity, and loss rates as determined for pooled funded loans. The allowance for credit losses on unfunded commitments is a liability account included in interest payable and other liabilities. Management estimates these allowances quarterly using relevant available information, from internal and external sources, relating to past events, current conditions, and reasonable and supportable forecasts. Credit loss experience among the Bank and peer groups provides the basis for the estimation of expected credit losses.

The allowance for credit losses ("ACL") model utilizes a discounted cash flow ("DCF") method to measure the expected credit losses on loans collectively evaluated that are sub-segmented by loan pools with similar credit risk characteristics, which generally correspond to federal regulatory reporting codes. In addition, the DCF method incorporates assumptions for probability of default ("PD"), loss given default ("LGD"), and prepayments and curtailments over the contractual terms of the loans. Under the DCF method, the ACL reflects the difference between the amortized cost basis and the present value of the expected cash flows using the loan's effective rate.

Management considers whether adjustments to the quantitative portion of the ACL are needed for differences in segment-specific risk characteristics or to reflect the extent to which it expects current conditions and reasonable and supportable forecasts of economic conditions to differ from the conditions that existed during the historical period included in the development of PD and LGD.

Our allowance model is particularly sensitive to forecasted and seasonally-adjusted actual California unemployment rates, which was 5.5% at December 31, 2025 and December 31, 2024. The ACL model incorporates a one-year forecast. For periods beyond the forecast horizon, the economic factors revert to historical averages on a straight-line basis over a one-year period through the remaining lives of the loans. We performed a sensitivity analysis as of December 31, 2025, and estimated that a 100 basis point change (e.g., 5.5% to 6.5%) in the forecasted unemployment rates over the next four quarters would result in about a 5% change to our allowance for credit losses on loans. This impact does not consider changes to other assumptions for either the quantitative factors, such as probability of default, loss given default, loan mix or cash flows, prepayment/curtailment rates, and individually analyzed loans, or qualitative factors as discussed in Note 1 - Summary of Significant Accounting Policies. Additionally, because current economic conditions and forecasts can change, as future events are inherently difficult to predict, the estimated credit losses on loans and unfunded commitments could change significantly.

While we believe we use the best information available to determine the allowance for credit losses, our results of operations could be significantly affected if circumstances differ substantially from the assumptions used in determining the allowance. For information regarding critical estimates related to our allowance for credit losses methodology, the provision for credit losses, and risks to asset quality and lending activity, see ITEM 1A - Risk Factors, the Allowance for Credit Losses section in ITEM 7 - Management's Discussion and Analysis of Financial Condition and Results of Operations, and Note 3 - Loans and Allowance for Credit Losses on Loans in ITEM 8 - Financial Statements and Supplementary Data of this Form 10-K.

Fair Value Measurements

We use fair value measurements to record certain financial instruments and to determine fair value disclosures. Available-for-sale securities and interest rate swap agreements are financial instruments recorded at fair value on a recurring basis. Additionally, we record at fair value other financial assets on a nonrecurring basis, such as collateral dependent loans and other real estate owned. These nonrecurring fair value adjustments typically involve write-downs of, or specific reserves against, individual assets. We group our assets and liabilities that are measured at fair value into three levels within the fair value hierarchy, based on the markets in which the assets and liabilities are traded and the reliability of the assumptions used to determine fair value. The classification of assets and liabilities within the hierarchy is based on whether the inputs to the valuation methodology used in the measurement are observable or unobservable. Observable inputs reflect market-driven or market-based information obtained from independent sources, while unobservable inputs reflect our estimates about market data. The degree of management judgment involved in determining the fair value of a financial instrument is dependent upon the availability of quoted market prices or observable market data. For financial instruments that trade actively and have quoted market prices or observable market data, there is minimal subjectivity involved in measuring fair value. When observable market prices and data are not fully available, management judgment is necessary to estimate fair value. In addition, changes in market conditions may reduce the availability of quoted prices or observable data. Therefore, when market data is not available, we use valuation techniques that require more management judgment to estimate the appropriate fair value measurement. Fair value is discussed further in Note 1 - Summary of Significant Accounting Policies, and Note 9 - Fair Value of Assets and Liabilities in ITEM 8 - Financial Statements and Supplementary Data of this Form 10-K.

RESULTS OF OPERATIONS

Overview

This discussion should be read in conjunction with the consolidated financial statements and the related notes that appear elsewhere in this Form 10-K. As noted above, the Company restated its financial statements for the Affected Periods for misstatements between the balance sheet and income statement that were determined, in the aggregate, to be material to previously issued financial statements. Generally, the restatements related to the misclassification of certain deposits and expenses related thereto as non-interest bearing deposits and non-interest expense when they should have been classified as interest bearing deposits and interest expense. See below and “Note 19, Restatement of Prior Period Financial Statements (Quarterly Information Unaudited)” in Item 8 of this Form 10-K, for additional information related to the restatement, including descriptions of the misstatements and the impacts on our consolidated financial statements. All affected tables and narrative disclosure herein from the Affected Periods has likewise been corrected.

Financial Highlights

The following are highlights of our financial condition and results of operations. The data was derived from the audited consolidated financial statements of Bank of Marin Bancorp.


			At December 31,
(dollars in thousands, except per share data)			2025			2024
Selected financial condition data:
Total assets			$	3,904,778		$	3,701,335
Investment securities			$	1,327,812		$	1,266,733
Loans, net of allowance for credit losses on loans			$	2,090,764		$	2,052,600
Deposits			$	3,415,542		$	3,220,015
Borrowings and other obligations			$	709		$	154
Subordinated notes, net			$	43,857		$	—
Stockholders' equity			$	394,654		$	435,407
Book value per share			$	24.51		$	27.06
Tangible book value per share			$	19.87		$	22.37
Asset quality ratios:
Allowance for credit losses to total loans			1.42		%	1.47		%
Allowance for credit losses to non-accrual loans			1.12x			0.90x
Non-accrual loans to total loans			1.27		%	1.63		%
Classified loans (graded substandard and doubtful) as a percentage of total loans			1.51		%	2.17		%
Capital ratios:
Equity to total assets			10.11		%	11.76		%
Tangible common equity to tangible assets			8.35		%	9.93		%
Total capital (to risk-weighted assets)			15.25		%	16.54		%
Tier 1 capital (to risk-weighted assets)			12.34		%	15.32		%
Tier 1 capital (to average assets)			8.26		%	10.46		%
Common equity Tier 1 capital (to risk-weighted assets)			12.34		%	15.32		%
Other data:
Loan-to-deposit ratio			62.09		%	64.70		%
Number of branches			27			27
Full-time equivalent employees			311			285
	For the Years Ended December 31,
(dollars in thousands, except per share data)	2025		2024			2023
Selected operating data:
Net interest income	$	106,037	$	91,582		$	100,352
Provision for credit losses on loans	375		5,550			2,575
Provision for (reversal of) credit losses on unfunded loan commitments	185		(233)			(342)
Non-interest income	(76,650)		(21,360)			4,989
Non-interest expense	81,310		78,740			77,072
Net (loss) income	(35,675)		(8,409)			19,895
Net (loss) income per common share:
Basic	$	(2.24)	$	(0.52)		$	1.24
Diluted	$	(2.24)	$	(0.52)		$	1.24


Performance and other financial ratios:
Return on average assets	(0.94)		%	(0.22)		%	0.49		%
Return on average equity	(8.19)		%	(1.93)		%	4.69		%
Tax-equivalent net interest margin	2.94		%	2.55		%	2.56		%
Cost of deposits	1.39		%	1.50		%	0.82		%
Cost of funds	1.40		%	1.51		%	1.09		%
Efficiency ratio	276.69		%	112.13		%	73.16		%
Net charge-offs	$	942		$	66		$	386
Net charge-offs to average loans	0.05		%	NM			0.02		%
Cash dividend payout ratio on common stock 1	NM			NM			80.65		%
Cash dividends per common share	$	1.00		$	1.00		$	1.00
1 Calculated as cash dividends per common share divided by basic net income per common share.
NM - Not meaningful.

Restatement and Revision of Prior Period Financial Statements and Financial Highlights

See below for the restated and revised prior period financial statements and affected financial highlights referred to above and in Form 8-K filed February 17, 2026.


Summary of Reclassifications and Impacts
($ in thousands)	FY 2025		FY 2024		FY 2023		Q4 2025		Q3 2025		Q2 2025		Q1 2025		Q4 2024		Q3 2024		Q2 2024		Q1 2024

Non-interest-Bearing Deposits - end of period
As reported	1,492,249		1,399,900		1,441,987		1,492,249		1,458,230		1,379,814		1,426,446		1,399,900		1,473,379		1,417,661		1,444,435
As Adjusted	1,254,416		1,274,747		1,309,711		1,254,416		1,245,247		1,218,648		1,277,505		1,274,747		1,331,853		1,285,901		1,318,261
Change	-237,833		-125,153		-132,276		-237,833		-212,983		-161,166		-148,941		-125,153		-141,526		-131,760		-126,174

Interest-Bearing Deposits - end of period
As reported	1,923,293		1,820,115		1,848,088		1,923,293		1,924,346		1,865,234		1,875,525		1,820,115		1,835,870		1,796,116		1,839,667
As Adjusted	2,161,126		1,945,268		1,980,364		2,161,126		2,137,329		2,026,400		2,024,466		1,945,268		1,977,396		1,927,876		1,965,841
Change	237,833		125,153		132,276		237,833		212,983		161,166		148,941		125,153		141,526		131,760		126,174

Non-interest-Bearing Deposits as a percentage of Total Deposits - end of period
As reported	43.7%		43.5%		43.8%		43.7%		43.1%		42.5%		43.2%		43.5%		44.5%		44.1%		44.0%
As Adjusted	36.7%		39.6%		39.8%		36.7%		36.8%		37.6%		38.7%		39.6%		40.2%		40.0%		40.1%
Change	-7.0%		-3.9%		-4.0%		-7.0%		-6.3%		-5.0%		-4.5%		-3.9%		-4.3%		-4.1%		-3.8%

Non-interest-Bearing Deposits - average
As reported	1,433,223		1,448,346		1,656,047		1,506,847		1,419,872		1,398,570		1,406,648		1,452,966		1,460,011		1,421,543		1,458,686
As Adjusted	1,261,562		1,316,737		1,544,208		1,285,578		1,254,958		1,245,025		1,260,482		1,318,943		1,321,648		1,290,874		1,335,405
Change	-171,661		-131,609		-111,839		-221,269		-164,914		-153,545		-146,166		-134,023		-138,363		-130,669		-123,281

Interest-Bearing Deposits - average
As reported	1,886,828		1,838,015		1,726,811		1,925,424		1,925,873		1,855,477		1,839,161		1,831,956		1,820,531		1,839,468		1,860,365
As Adjusted	2,058,489		1,969,624		1,838,650		2,146,693		2,090,787		2,009,022		1,985,327		1,965,979		1,958,894		1,970,137		1,983,646
Change	171,661		131,609		111,839		221,269		164,914		153,545		146,166		134,023		138,363		130,669		123,281

Interest Expense
As reported	42,196		46,613		36,733		10,651		10,876		10,376		10,293		11,246		12,050		11,865		11,452
As Adjusted	46,391		49,691		39,142		12,051		11,913		11,316		11,111		11,970		12,866		12,672		12,183
Change	4,195		3,078		2,409		1,400		1,037		940		818		724		816		807		731

Net Interest Income
As reported	110,232		94,660		102,761		31,181		28,193		25,912		24,946		25,230		24,269		22,467		22,694
As Adjusted	106,037		91,582		100,352		29,781		27,156		24,972		24,128		24,506		23,453		21,660		21,963
Change	-4,195		-3,078		-2,409		-1,400		-1,037		-940		-818		-724		-816		-807		-731

Non-interest Expense
As reported	85,505		81,818		79,481		21,423		21,328		21,490		21,264		18,338		20,417		21,894		21,169
As Adjusted	81,310		78,740		77,072		20,023		20,291		20,550		20,446		17,614		19,601		21,087		20,438
Change	-4,195		-3,078		-2,409		-1,400		-1,037		-940		-818		-724		-816		-807		-731

Net Interest Margin, reported
As reported	3.04%		2.61%		2.60%		3.31%		3.07%		2.91%		2.84%		2.78%		2.68%		2.50%		2.48%
As Adjusted	2.92%		2.53%		2.54%		3.16%		2.95%		2.81%		2.75%		2.70%		2.59%		2.41%		2.40%
Change	-0.12%		-0.08%		-0.06%		-0.15%		-0.12%		-0.10%		-0.09%		-0.08%		-0.09%		-0.09%		-0.08%

Net Interest Margin, tax-equivalent
As reported	3.06%		2.63%		2.63%		3.32%		3.08%		2.93%		2.86%		2.80%		2.70%		2.52%		2.50%
As Adjusted	2.94%		2.55%		2.56%		3.18%		2.97%		2.83%		2.77%		2.72%		2.61%		2.43%		2.42%
Change	-0.12%		-0.08%		-0.06%		-0.14%		-0.11%		-0.10%		-0.09%		-0.08%		-0.09%		-0.09%		-0.08%

Cost of Deposits
As reported	1.26%		1.41%		0.74%		1.19%		1.29%		1.28%		1.29%		1.36%		1.46%		1.45%		1.38%
As Adjusted	1.39%		1.50%		0.82%		1.35%		1.41%		1.39%		1.39%		1.45%		1.56%		1.54%		1.47%
Change	0.13%		0.09%		0.07%		0.16%		0.12%		0.11%		0.10%		0.09%		0.10%		0.09%		0.09%

Cost of Interest-Bearing Deposits
As reported	2.22%		2.52%		1.46%		2.12%		2.24%		2.24%		2.27%		2.44%		2.63%		2.56%		2.46%
As Adjusted	2.24%		2.51%		1.50%		2.16%		2.26%		2.26%		2.27%		2.42%		2.61%		2.56%		2.45%
Change	0.02%		-0.01%		0.04%		0.04%		0.02%		0.02%		0.00%		-0.02%		-0.02%		0.00%		-0.01%

Efficiency Ratio, GAAP
As reported	254.6%		111.6%		73.8%		-60.4%		68.9%		208.8%		76.4%		65.5%		75.2%		-300.4%		83.2%
As Adjusted	276.7%		112.1%		73.2%		-54.3%		67.9%		219.8%		75.7%		64.6%		74.4%		-260.5%		82.7%
Change	22.1%		0.5%		-0.6%		6.1%		-1.1%		11.0%		-0.7%		-0.9%		-0.7%		39.9%		-0.5%

Efficiency Ratio, non-GAAP excluding losses on securities sales
As reported	70.2	%	77.3	%	69.9	%	63.0	%	68.9	%	74.0	%	76.4	%	65.5	%	75.2	%	86.7	%	83.2	%
As Adjusted	69.1	%	76.6	%	69.3	%	61.4	%	67.9	%	73.2	%	75.7	%	64.6	%	74.4	%	86.3	%	82.7	%
Change	-1.1	%	-0.7	%	-0.6	%	-1.6	%	-1.1	%	-0.9	%	-0.7	%	-0.9	%	-0.8	%	-0.4	%	-0.5	%

Executive Summary

Our annual loss was $35.7 million in 2025, compared to an annual loss of $8.4 million in 2024. Diluted loss was $2.24 per share in 2025, compared to a diluted loss of $0.52 per share in 2024.

Results for 2025 were significantly impacted by our strategic balance sheet repositioning which included the sale of available-for-sale ("AFS") securities with a book value of $185.8 million, resulting in a pre-tax loss of $18.7 million in the second quarter of 2025, the sale of AFS securities of $593.2 million in low yielding investment securities at a $69.5 million pre-tax loss in the fourth quarter of 2025, the purchase and origination of higher yielding loans and securities and the replenishment of our capital ratios through the issuance of $45.0 million of subordinated debt. We continue to proactively identify and manage credit risk within the loan portfolio, reflected in the percentage of non-accrual loans which decreased from the prior year, and improvements in credit quality trends during the fourth quarter. We believe the strength of our balance sheet, higher level of loan origination productivity that we are seeing from our banking teams, and positive trends in our net interest margin and operating leverage are key factors that should help mitigate any unforeseen credit quality deterioration that may arise and drive further improvement in our financial performance in the year ahead.

The following are highlights of operating and financial performance for the year ended December 31, 2025:

•Loans increased $37.6 million during the year ended December 31, 2025, to $2.121 billion, compared to $2.083 billion at December 31, 2024. The growth was spread across multiple geographic regions in Northern California and primarily within the commercial and commercial real estate sectors. Loan originations funded totaled $273.5 million for the year ended December 31, 2025, compared to $152.6 million for the prior year.

•Classified loans made up 1.51% of total loans as of December 31, 2025, compared to 2.17% as of December 31, 2024. The Bank continues to proactively identify and manage credit risk within the loan portfolio. Classified loans decreased by $13.0 million to $32.1 million as of December 31, 2025, compared to $45.1 million as of December 31, 2024. The decrease was largely due to upgrades of $6.9 million and payoffs and paydowns of $7.0 million during 2025. This was partially offset by downgrades to classified loans totaling approximately $942 thousand in 2025.

•Non-accrual loans totaled $26.9 million, or 1.27% of the loan portfolio, compared to $33.9 million, or 1.63%, as of December 31, 2025 and 2024, respectively. The decrease of $7.0 million in 2025 was primarily due to payoffs of $4.4 million, the sale of one $2.1 million commercial real estate loan which resulted in an $809 thousand charge-off, and paydowns of $1.6 million in addition to upgrades of approximately $700 thousand. Of the total non-accrual loans as of December 31, 2025, approximately 68% were paying as agreed, 97% were real estate secured, and all are being closely managed and monitored.

•We recorded a $375 thousand provision for credit losses on loans in 2025 primarily due to loan growth and a modest deterioration in the economic forecast, compared to a $5.6 million provision for credit losses on loans in 2024, including a $6.6 million specific reserve taken on a commercial real estate loan as a result of declining collateral values, partially offset by other factors. The allowance for credit losses as of December 31, 2025 was 1.42% of total loans, compared to 1.47% as of December 31, 2024.

•Total deposits increased by $195.5 million to $3.416 billion as of December 31, 2025, from $3.220 billion as of December 31, 2024. Non-interest bearing deposits continue to remain strong and made up 36.7% of total deposits as of December 31, 2025, compared to 39.6% as of December 31, 2024. We believe we are appropriately competitive in regard to deposit pricing, given our relationship banking model, which differentiates Bank of Marin through exceptional service. Estimated uninsured and/or uncollateralized deposits comprised 31% of total deposits as of December 31, 2025.

•At December 31, 2025, the Bank had no outstanding short-term borrowings compared to $26.0 million at December 31, 2024, as a result of our strategic balance sheet restructuring in 2025 and 2024. Total available funding sources, including unrestricted cash, unencumbered available-for-sale securities, and total available borrowing capacity, were $2.148 billion, or 63% of total deposits and 209% of estimated uninsured and/or uncollateralized deposits as of December 31, 2025.

•During the fourth quarter of 2025, we issued Fixed-to-Floating Subordinated Notes of $45.0 million with a final maturity date of December 1, 2035, to certain investors in a private placement to strengthen capital ratios as part of our fourth quarter 2025 balance sheet repositioning. The interest rate of the Bank’s subordinated notes is 6.75%, payable semi-annually in arrears on June 1 and December 1 of each year, commencing on June 1, 2026. After December 1, 2030, the interest rate will be variable and equal Three-Month Term SOFR plus 335 basis points, resetting quarterly.

•The tax-equivalent net interest margin was 2.94% for 2025, compared to 2.55% for 2024. The increase of 39 basis points was primarily attributable to the favorable impacts of the investment securities restructuring performed in 2025 and 2024, lower deposit costs and higher average deposit balances year over year, higher loan yields and loan balances, and higher interest-earning deposit balances with the Federal Reserve.

•All capital ratios were above well-capitalized regulatory requirements. Bancorp's total risk-based capital ratio was 15.25% as of December 31, 2025, compared to 16.54% as of December 31, 2024. Tangible common equity to tangible assets ("TCE ratio") decreased to 8.35% as of December 31, 2025, from 9.93% as of December 31, 2024.

•The Board of Directors declared a cash dividend of $0.25 per share on January 22, 2026, which was the 83rd consecutive quarterly dividend paid by Bancorp. The dividend was paid on February 12, 2026 to shareholders of record at the close of business on February 5, 2026.

Net Interest Income

Net interest income is the interest earned on loans, investments and other interest-earning assets minus interest expense incurred on deposits and other interest-bearing liabilities. Net interest income is impacted by changes in general market interest rates and by changes in the composition of interest-earning assets and interest-bearing liabilities. Interest rate changes can create fluctuations in net interest income and/or margin due to an imbalance in the timing of repricing or maturity of assets and liabilities. We manage interest rate risk exposure with the goal of minimizing the impact of interest rate volatility on net interest income.

Net interest margin is expressed as net interest income divided by average interest-earning assets. Net interest rate spread is the difference between the average rate earned on total interest-earning assets and the average rate incurred on total interest-bearing liabilities. Both of these measures are reported on a taxable-equivalent basis. Net interest margin is the higher of the two because it reflects interest income earned on assets funded with non-interest-bearing sources of funds, which include demand deposits and stockholders’ equity.

The following table compares interest income, average interest-earning assets, interest expense, and average interest-bearing liabilities for the periods presented. The table also presents net interest income, net interest margin and net interest rate spread for the years indicated.


Average Statements of Condition and Analysis of Net Interest Income
		Year ended						Year ended						Year ended
		December 31, 2025						December 31, 2024						December 31, 2023
				Interest						Interest						Interest
		Average		Income/		Yield/		Average		Income/		Yield/		Average		Income/		Yield/
(dollars in thousands; unaudited)		Balance		Expense		Rate		Balance		Expense		Rate		Balance		Expense		Rate
Assets
	Interest-earning deposits with banks 1	$	222,747	$	9,535	4.22	%	$	128,752	$	6,714	5.13	%	$	42,864	$	2,329	5.36	%
	Investment securities 2, 3	1,283,380		38,710		3.02	%	1,361,859		33,349		2.45	%	1,753,708		39,100		2.23	%
	Loans 1, 3, 4, 5	2,074,565		104,870		4.99	%	2,074,971		101,912		4.83	%	2,099,719		99,018		4.65	%
	Total interest-earning assets 1	3,580,692		153,115		4.22	%	3,565,582		141,975		3.92	%	3,896,291		140,447		3.56	%
	Cash and non-interest-bearing due from banks	37,299						36,692						37,868
	Bank premises and equipment, net	7,474						7,310						8,348
	Interest receivable and other assets, net	180,356						164,298						135,200
Total assets		$	3,805,821					$	3,773,882					$	4,077,707
Liabilities and Stockholders' Equity
	Interest-bearing transaction accounts	$	357,877	$	5,408	1.51	%	$	325,065	$	4,279	1.32	%	$	352,363	$	3,445	0.98	%
	Savings accounts	224,428		2,329		1.04	%	227,061		2,003		0.88	%	281,611		867		0.31	%
	Money market accounts	1,257,049		31,841		2.53	%	1,155,016		33,914		2.94	%	1,013,620		18,553		1.83	%
	Time accounts, including CDARS	219,135		6,436		2.94	%	262,482		9,254		3.53	%	191,056		4,715		2.47	%
	Borrowings and other obligations 1	253		9		3.53	%	4,628		241		5.13	%	221,623		11,562		5.15	%
	Subordinated notes	5,189		368		7.10	%	—		—		—	%	—		—		—	%
	Total interest-bearing liabilities	2,063,931		46,391		2.25	%	1,974,252		49,691		2.52	%	2,060,273		39,142		1.90	%
	Demand accounts	1,261,562						1,316,737						1,544,208
	Interest payable and other liabilities	44,668						47,823						49,442
	Stockholders' equity	435,660						435,070						423,784
Total liabilities & stockholders' equity		$	3,805,821					$	3,773,882					$	4,077,707
Tax-equivalent net interest income/margin 1,3				$	106,724	2.94	%			$	92,284	2.55	%			$	101,305	2.56	%
Reported net interest income/margin 1				$	106,037	2.92	%			$	91,582	2.53	%			$	100,352	2.54	%
Tax-equivalent net interest rate spread						1.97	%					1.38	%					1.63	%

1 Interest income/expense is divided by actual number of days in the period times 360 days to correspond to stated interest rate terms, where applicable.
2 Yields on available-for-sale securities are calculated based on amortized cost balances rather than fair value, as changes in fair value are reflected as a component of stockholders' equity. Investment security interest is earned on 30/360 day basis monthly.
3 Yields and interest income on tax-exempt securities and loans are presented on a taxable-equivalent basis using the federal statutory rate of 21%.
4 Average balances on loans outstanding include non-performing loans. The amortized portion of net loan origination fees is included in interest income on loans, representing an adjustment to the yield.


5 Net loan origination (costs) fees included in interest income totaled $(1.7) million, $(1.6) million, and $(1.3) million in 2025, 2024, and 2023, respectively.

Analysis of Changes in Net Interest Income

The following table presents the effects of changes in average balances (volume) or changes in average rates on tax-equivalent net interest income for the years indicated. Volume variances are equal to the increase or decrease in average balances multiplied by prior period rates. Rate variances are equal to the increase or decrease in rates multiplied by prior period average balances. Mix variances are attributable to the change in yields or rates multiplied by the change in average balances.


	2025 compared to 2024								2024 compared to 2023
(in thousands, unaudited)	Volume		Yield/Rate		Mix		Total		Volume		Yield/Rate		Mix		Total
Interest-earning deposits with banks	$	4,902	$	(1,187)	$	(894)	$	2,821	$	4,667	$	(100)	$	(182)	$	4,385
Investment securities 1	(1,922)		7,728		(445)		5,361		(8,737)		3,845		(859)		(5,751)
Loans 1	(20)		3,266		(288)		2,958		(1,167)		3,828		233		2,894
Total interest-earning assets	2,960		9,807		(1,627)		11,140		(5,237)		7,573		(808)		1,528
Interest-bearing transaction accounts	432		647		50		1,129		(267)		1,181		(80)		834
Savings accounts	(23)		360		(11)		326		(168)		1,610		(306)		1,136
Money market accounts	2,996		(4,577)		(492)		(2,073)		2,588		11,128		1,645		15,361
Time accounts, including CDARS	(1,528)		(1,524)		234		(2,818)		1,763		2,002		774		4,539
Borrowings and other obligations	(228)		(76)		72		(232)		(11,321)		(50)		50		(11,321)
Subordinated notes	—		—		368		368		—		—		—		—

Total interest-bearing liabilities	1,649		(5,170)		221		(3,300)		(7,405)		15,871		2,083		10,549
Tax-equivalent net interest income	$	1,311	$	14,977	$	(1,848)	$	14,440	$	2,168	$	(8,298)	$	(2,891)	$	(9,021)
1 Yields and interest income on tax-exempt securities and loans are presented on a taxable-equivalent basis using the federal statutory rate of 21%.

2025 Compared to 2024

Net interest income totaled $106.0 million in 2025, compared to $91.6 million in 2024. The $14.4 million increase from the prior year was primarily due to higher average yields on investment securities and loans and higher average earning asset balances on interest-bearing deposits with banks during the year contributing an increase in interest income of $11.2 million. In addition, interest-bearing deposit costs decreased by 27 basis points on an increased average balance contributing a reduction of $3.4 million in interest expense on deposits.

The tax-equivalent net interest margin was 2.94% for 2025, compared to 2.55% in 2024. The increase of 39 basis points was primarily attributable to the favorable impacts of the investment securities restructuring performed in 2025 and 2024, lower deposit costs, higher average deposit balances year over year, higher loan yields, and higher interest-earning deposit balances with the Federal Reserve.

2024 Compared to 2023

Net interest income totaled $91.6 million in 2024, compared to $100.4 million in 2023. The $8.8 million decrease from the prior year was primarily due to higher deposit costs of $21.9 million, partially offset by the reduction of $11.3 million in borrowing costs.

The tax-equivalent net interest margin was 2.55% for 2024, compared to 2.56% for 2023. Higher yields on loans increased the margin while higher deposit costs resulted in a reduction in the margin. In addition, the year's balance sheet restructuring activities affected the borrowings, interest-bearing cash and investments factors.

Market Interest Rates

Market interest rates are, in part, based on the target federal funds interest rate (the interest rate banks charge each other for short-term borrowings) implemented by the Federal Reserve Open Market Committee ("FOMC").

Primarily due to declining inflation, the Federal Reserve lowered the target for the federal funds rate by 100 basis points, to a range of 4.25% to 4.50% in the later months of 2024. At the January 2025 meeting, the FOMC left rates unchanged and signaled slower than originally anticipated rate cuts are in 2025. Due to a significant easing of inflationary pressures, the FOMC began decreasing rates in September 2025, and made a total of three rate decreases in 2025 ending the year at a range of 3.50% to 3.75%.

During the second and fourth quarters of 2025, we sold additional securities with relatively low yields and redeployed the proceeds to further reposition our balance sheet, by investing in higher yielding securities. Management and the Board are continuously monitoring and analyzing the impact of market rates on the Company's financial condition and results of operations to enhance performance, safety and soundness and returns to shareholders. See ITEM 7A. Quantitative and Qualitative Disclosure about Market Risk for further information.

Provision for Credit Losses on Loans

Management assesses the adequacy of the allowance for credit losses on loans quarterly based on several factors, including growth or contraction of the loan portfolio, past events, current conditions, and reasonable and supportable forecasts to estimate expected losses over the contractual terms of our loans. The allowance for credit losses on loans is increased by provisions charged to expense and loss recoveries and decreased by loans charged off.

The following table shows the activity for the periods presented.


	Years ended December 31,
(dollars in thousands)	2025		2024		2023
Provision for (reversal of) credit losses on loans	$	375	$	5,550	$	2,575

The provision in 2025 was due primarily to the $37.6 million net increase in loans during the year including the $92.7 million increase in non-owner occupied commercial real estate loans, partially offset by the $32.6 million decrease in other residential real estate loans. In addition to this pooled loan growth, the peer group used in our loss driver analysis was updated in 2025, and the fourth quarter of 2025 showed a modest deterioration in Moody's economic forecast over the next four quarters. Partially offsetting these increases were qualitative risk factor improvements in areas including staff experience and graded/delinquent/non-accrual loans and specific reserve adjustments.

The provision in 2024 was due primarily to increases in qualitative risk factors to account for continued uncertainty about inflation and recession risks, and from continued negative trends in adversely graded loans and/or collateral values on our non-owner occupied commercial real estate office and multi-family real estate portfolios including $5.2 million taken in the second quarter due to a $6.6 million increased individual reserve for one non-owner occupied commercial real estate loan totaling $16.7 million that, although current, had experienced a deterioration in the collateral value and, therefore, a material increase in the loan-to-value

The provision in 2023 was due primarily to adjustments to qualitative risk factors from continued uncertainty about inflation and recession risks, the potential impact of rapidly increasing interest rates and other external factors on both our non-owner-occupied commercial real estate and construction portfolios, loan and collateral concentration risks in our construction and commercial real estate portfolios, heightened portfolio management in light of current economic conditions, and continued negative trends in adversely graded loans and/or collateral values for our non-owner occupied commercial real estate office and multi-family real estate portfolios.

Non-interest Income

The table below details the components of non-interest income.



							2025 compared to 2024				2024 compared to 2023
	Years ended December 31,						Amount Increase (Decrease)		Percent Increase (Decrease)		Amount Increase (Decrease)		Percent Increase (Decrease)
(dollars in thousands; unaudited)	2025		2024		2023
Wealth management and trust services	$	2,312	$	2,420	$	2,145	$	(108)	(4.5)	%	$	275	12.8	%
Service charges on deposit accounts	2,188		2,164		2,083		24		1.1	%	81		3.9	%
Earnings on bank-owned life insurance, net	1,779		1,714		1,488		65		3.8	%	226		15.2	%
Debit card interchange fees, net	1,612		1,701		1,831		(89)		(5.2)	%	(130)		(7.1)	%
Dividends on Federal Home Loan Bank stock	1,475		1,478		1,265		(3)		(0.2)	%	213		16.8	%
Merchant interchange fees, net	377		324		496		53		16.4	%	(172)		(34.7)	%
Earnings on bank-owned life insurance death benefits	306		—		314		306		NM		(314)		(100.0)	%
Losses on sale of investment securities, net	(88,202)		(32,541)		(5,893)		(55,661)		171.0	%	(26,648)		452.2	%
Other income	1,503		1,380		1,260		123		8.9	%	120		9.5	%
Total non-interest income	$	(76,650)	$	(21,360)	$	4,989	$	(55,290)	258.8	%	$	(26,349)	(528.1)	%

2025 Compared to 2024

Non-interest income showed a loss of $76.7 million for 2025, a $55.3 million decrease from a loss of $21.4 million for 2024. The decrease in 2025 was primarily due to the $88.2 million net loss on the sales of available-for-sale investment securities in the second and fourth quarters related to our balance sheet restructuring. Excluding losses on sale of securities in both years, non-interest income increased by $371 thousand, which included $306 thousand death benefit on bank-owned life insurance in 2025, partially offset by a $108 thousand year-over-year decrease in wealth management and trust services income due to decreased assets.

2024 Compared to 2023

Non-interest income showed a loss of $21.4 million for 2024, a $26.3 million decrease from income of $5.0 million for 2023. The decrease in 2024 was primarily due to the $32.5 million net loss on the sale of available-for-sale investment securities in 2024 related to our balance sheet restructuring. Excluding losses on sale of securities in both years, non-interest income increased by $300 thousand, which included a $275 thousand year-over-year increase in wealth management and trust services income due to increased assets and an increase of $226 thousand in net earnings on bank-owned life insurance due to increased rates. These were partially offset by the reduction of $314 thousand in bank-owned life insurance death benefits recorded in 2023 and not repeated in 2024.

Non-interest Expense

The table below details the components of non-interest expense.



							2025 compared to 2024				2024 compared to 2023
	Years ended December 31,						Amount Increase (Decrease)		Percent Increase (Decrease)		Amount Increase (Decrease)		Percent Increase (Decrease)
(dollars in thousands; unaudited)	2025		2024		2023
Salaries and employee benefits	$	47,458	$	44,683	$	43,448	$	2,775	6.2	%	$	1,235	2.8	%
Occupancy and equipment	8,509		8,242		8,306		267		3.2	%	(64)		(0.8)	%
Data processing	4,326		4,222		4,057		104		2.5	%	165		4.1	%
Professional services	4,301		5,129		3,598		(828)		(16.1)	%	1,531		42.6	%
Information technology	2,046		1,686		1,569		360		21.4	%	117		7.5	%
Federal Deposit Insurance Corporation insurance	1,807		1,863		1,878		(56)		(3.0)	%	(15)		(0.8)	%
Depreciation and amortization	1,264		1,466		2,098		(202)		(13.8)	%	(632)		(30.1)	%
Directors' expense	1,115		1,213		1,212		(98)		(8.1)	%	1		0.1	%

Amortization of core deposit intangible	875		975		1,350		(100)		(10.3)	%	(375)		(27.8)	%
Charitable contributions	657		677		717		(20)		(3.0)	%	(40)		(5.6)	%
Deposit network fees	476		448		374		28		6.3	%	74		19.8	%
Other real estate owned	—		—		48		—		NM		(48)		(100.0)	%
Other non-interest expense:
Advertising	1,030		1,090		1,244		(60)		(5.5)	%	(154)		(12.4)	%
Other expense	7,446		7,046		7,173		400		5.7	%	(127)		(1.8)	%
Total other non-interest expense	8,476		8,136		8,417		340		4.2	%	(281)		(3.3)	%
Total non-interest expense	$	81,310	$	78,740	$	77,072	$	2,570	3.3	%	$	1,668	2.2	%

2025 Compared to 2024

Non-interest expenses increased $2.6 million to $81.3 million in 2025 from $78.7 million in 2024. Salaries and employee benefits increased by $2.8 million primarily due to an increase in annual incentives due to performance and increased employee insurance and profit share expenses. These were partially offset by an increase in deferred loan costs. Partially offsetting increases were the decrease of $828 thousand in professional services expenses, mainly from the legal resolution of a Private Attorneys General Act / putative class action lawsuit of $615 thousand and $354 thousand in the new loan operating system platform and implementation costs in the prior year.

2024 Compared to 2023

Non-interest expenses increased $1.7 million to $78.7 million in 2024 from $77.1 million in 2023. Significant fluctuations were as follows:

•Professional services expenses increased by $1.5 million, mainly from the legal resolution of a Private Attorneys General Act / putative class action lawsuit of $615 thousand and $354 thousand in the new loan operating system platform and implementation costs.

•Salaries and employee benefits increased by $1.2 million primarily due to severance and salaries paid in relation to the reduction in force in the second quarter, the filling of open positions and the hiring of several key employees and officers, higher insurance costs, and lower deferred loan origination costs. Increases to salaries and employee benefits were partially offset by a decrease in profit sharing expense mainly from accrual adjustments, a decrease in accrued incentive bonuses, and a decrease in stock-based compensation from changes in award structure and estimated performance award payouts.

•Depreciation and amortization expenses decreased by $632 thousand, mainly from the acceleration of lease-related costs for four branch closures in 2023.

•Amortization of the core deposit intangible decreased by $375 thousand as the Bank of Alameda amortization completed in 2023.

Provision for Income Taxes

Income tax provisions reflect accruals for taxes at the applicable rates for federal income tax and California franchise tax based upon reported pre-tax income. Provisions also reflect permanent differences between income for tax and financial reporting purposes (such as earnings on tax exempt loans and municipal securities, bank-owned life insurance ("BOLI"), low-income housing tax credits, and stock-based compensation from the exercise of stock options, disqualifying dispositions of incentive stock options and vesting of restricted stock awards).

The benefit from income taxes totaled $16.8 million at an effective tax rate of 32.0% in 2025, compared to the benefit from income taxes of $5.4 million at an effective tax rate of 39.2% in 2024 and a provision of $6.1 million at an effective tax rate of 23.6% in 2023. The increase in the benefit from income taxes in 2025 reflected the impact of the net loss before taxes in the year of $52.5 million compared to net loss before taxes of $13.8 million in 2024. The 7.2% decrease in the effective tax rate in 2025, as compared to 2024, was due to the treatment of certain permanent differences while in a larger loss position, such as in 2025. The 15.60% increase from 2023 to 2024 was primarily due to a larger proportional effect of permanent tax differences on lower pretax income and higher tax-exempt BOLI income. This increase was partially offset by a reduction in the tax-exempt interest exclusion (due to a larger IRC Section 291(e) interest expense disallowance), compared to 2023.

We file a consolidated return in the U.S. federal tax jurisdiction and a combined return in the State of California and the State of New Jersey due to interest on purchased auto loans registered in New Jersey. There were no ongoing federal or state income tax examinations at the time of the issuance of this report. As of December 31, 2025 and 2024, neither the Bank nor Bancorp had accruals for interest or penalties related to unrecognized tax benefits.

FINANCIAL CONDITION

Investment Securities

We maintain an investment securities portfolio to provide liquidity and generate earnings on funds that have not been loaned to customers. Management determines the maturities and types of securities to be purchased based on liquidity and interest rate risk position, and the desire to attain a reasonable investment yield balanced with risk exposure. The tables below show the composition of the debt securities portfolio by weighted average life at December 31, 2025 and 2024. Weighted average life takes into account the issuer's right to call or prepay obligations, with or without call or prepayment penalties. The weighted average life of the investment portfolio at December 31, 2025 and 2024 was approximately 4.2 and 5.9 years, respectively. The effective duration of the investment portfolio was 2.8 and 4.6 at December 31, 2025 and 2024, respectively.

In the fourth quarter of 2025, the Bank completed a balance sheet repositioning and reclassified its HTM portfolio into AFS resulting in no HTM securities at December 31, 2025.


December 31, 2025	Within 1 Year				1-5 Years				5-10 Years				After 10 Years				Total
(dollars in thousands; unaudited)	AmortizedCost1		Average Yield2		AmortizedCost1		Average Yield2		AmortizedCost1		Average Yield2		AmortizedCost1		Average Yield2		Amortized Cost1		Fair Value		Average Yield2








Available-for-sale:
CMBS/MBS/CMOs issued by U.S. government agencies	$	52,519	4.26	%	$	1,035,618	4.37	%	$	174,622	3.43	%	$	—	—	%	$	1,262,759	$	1,250,230	4.23	%

Debentures of government sponsored agencies	—		—		—		—		—		—		29,988		1.88		29,988		23,694		1.88

Obligations of state and political subdivisions - tax-exempt3	3,025		5.04		6,836		4.37		—		—		33,470		2.82		43,331		39,133		3.22
Obligations of state and political subdivisions - taxable	—		—		—		—		7,801		2.41		10,082		2.32		17,883		14,755		2.36



Total available-for-sale	$	55,544	4.30	%	$	1,042,454	4.37	%	$	182,423	3.39	%	$	73,540	2.37	%	$	1,353,961	$	1,327,812	4.13	%


December 31, 2024	Within 1 Year				1-5 Years				5-10 Years				After 10 Years				Total
(dollars in thousands; unaudited)	AmortizedCost1		Average Yield2		AmortizedCost1		Average Yield2		AmortizedCost1		Average Yield2		AmortizedCost1		Average Yield2		Amortized Cost1		Fair Value		Average Yield2
Held-to-maturity:
CMBS/MBS/CMOs issued by U.S. government agencies	$	10,895	2.47	%	$	194,427	3.29	%	$	353,313	2.10	%	$	86,060	2.07	%	$	644,695	$	560,812	2.46	%
SBA-backed securities	—		—		1,513		3.16		—		—		—		—		1,513		1,452		3.16
Debentures of government-sponsored agencies	20,000		4.25		5,000		5.00		83,460		1.83		32,971		1.85		141,431		118,737		2.29
Obligations of state and political subdivisions - tax-exempt3	3,041		3.77		2,368		3.64		20,067		3.00		5,765		1.90		31,241		29,057		2.92
Obligations of state and political subdivisions - taxable	—		—		—		—		13,637		2.03		16,682		2.36		30,319		24,162		2.21
Corporate bonds	15,000		3.50		15,000		3.75		—		—		—		—		30,000		29,315		3.63
Total held-to-maturity	48,936		3.59		218,308		3.36		470,477		2.09		141,478		2.05		879,199		763,535		2.48



Available-for-sale:
CMBS/MBS/CMOs issued by U.S. government agencies	100,397		4.09		131,820		3.29		54,857		2.90		8,718		2.36		295,792		279,838		3.46
SBA-backed securities	—		—		331		2.20		—		—		—		—		331		308		2.20
Debentures of government sponsored agencies	—		—		—		—		8,971		1.36		—		—		8,971		7,210		1.36
U.S. Treasury securities	—		—		12,020		0.78		—		—		—		—		12,020		10,815		0.78
Obligations of state and political subdivisions - tax-exempt3	—		—		3,831		0.68		43,581		2.04		40,043		2.73		87,455		76,199		2.30
Obligations of state and political subdivisions - taxable	—		—		2,992		1.09		5,731		1.86		—		—		8,723		7,515		1.60
Corporate bonds	—		—		6,000		1.15		—		—		—		—		6,000		5,649		1.15

Total available-for-sale	100,397		4.09		156,994		2.91		113,140		2.40		48,761		2.66		419,292		387,534		3.02
Total	$	149,333	3.93	%	$	375,302	3.17	%	$	583,617	2.15	%	$	190,239	2.21	%	$	1,298,491	$	1,151,069	2.66	%

1 Book value reflects cost, adjusted for accumulated amortization and accretion.

2 Weighted average calculation is based on amortized cost of securities.

3 Yields on tax-exempt municipal bonds are presented on a taxable equivalent basis, using a federal tax rate of 21%.

The amortized cost of our investment securities portfolio increased by $55.5 million, or 4.3%, in 2025. In 2025, we sold $778.9 million in available-for-sale securities with an average yield of 1.99%, as part of a balance sheet restructuring, including $279.8 million in agency collateralized mortgage obligations ("CMOs"), $270.8 million in agency mortgage-backed securities ("MBSs"), $98.1 million in debentures of government sponsored agencies, $95.7 million in obligations of state and political subdivisions, $21.0 million in corporate bonds, $12.0 million in U.S. Treasury securities and $1.5 million in SBA-backed securities. The sales of available-for-sale securities generated a net pre-tax loss of $88.2 million. Sales proceeds were deployed into securities with a higher yield and lower effective duration than the securities sold.

We consider agency debentures and CMOs issued by U.S. government sponsored entities to have low credit risk as they carry the credit support of the U.S. federal government. The debentures, CMBSs, CMOs and MBS issued by U.S. government sponsored agencies made up 95.5% of the portfolio as of December 31, 2025, compared to 85.1% at December 31, 2024. See the discussion in the section captioned “Securities May Lose Value Due to Credit Quality of the Issuers” in ITEM 1A Risk Factors above.

At December 31, 2025 and 2024, distribution of our investment in obligations of state and political subdivisions was as follows:


	December 31, 2025						December 31, 2024
(dollars in thousands; unaudited)	Amortized Cost		Fair Value		Percent of State and Municipal Securities		Amortized Cost		Fair Value		Percent of State and Municipal Securities
Within California:
General obligation bonds	$	9,981	$	8,359	16.3	%	$	22,913	$	18,749	14.5	%
Revenue bonds	—		—		—		2,060		1,658		1.3

Total within California	9,981		8,359		16.3		24,973		20,407		15.8
Outside California:
General obligation bonds	40,352		35,985		65.9		108,037		94,748		68.5
Revenue bonds	10,881		9,544		17.8		24,728		21,778		15.7

Total outside California	51,233		45,529		83.7		132,765		116,526		84.2
Total obligations of state and political subdivisions	$	61,214	$	53,888	100.0	%	$	157,738	$	136,933	100.0	%
Percent of investment portfolio	4.5%		4.1%				12.2%		11.9%

The portion of the portfolio outside the state of California is distributed among twelve states. Of the total investment in obligations of state and political subdivisions, the largest concentrations outside California are in Texas (44.3%), Wisconsin (24.1%) and Virginia (6.7%). Our investments in obligations issued by municipal issuers in Texas are either guaranteed by the AAA-rated Texas Permanent School Fund ("PSF"), rated AAA without enhancement, or backed by revenue sources from essential services (such as utilities and transportation).

Investments in states, municipalities and political subdivisions are subject to an initial pre-purchase credit assessment and ongoing monitoring. Key considerations include:

•The soundness of a municipality’s budgetary position and the stability of its tax revenues

•Debt profile and level of unfunded liabilities, diversity of revenue sources, taxing authority of the issuer

•Local demographics and economics including unemployment data, the largest local taxpayers and employers, income indices, and home values

•For revenue bonds, the source and strength of revenue for municipal authorities, including obligors' financial condition and reserve levels, annual debt service and debt coverage ratio, and credit enhancement (such as insurers' strength)

•Credit ratings by major credit rating agencies

Loans

Loans Outstanding by Class and Percent of Total


	December 31, 2025				December 31, 2024
(in thousands; unaudited)	Amortized Cost		Percent of Total		Amortized Cost		Percent of Total
Commercial and industrial	$	159,898	7.5	%	$	152,263	7.3	%
Real estate
Commercial owner-occupied	310,219		14.6		321,962		15.5
Commercial non-owner occupied	1,366,251		64.5		1,273,596		61.1
Construction	15,101		0.7		36,970		1.8
Home equity	99,222		4.7		88,325		4.2
Other residential	110,614		5.2		143,207		6.9
Installment and other consumer	59,548		2.8		66,933		3.2
Total loans, at amortized cost	2,120,853		100.0	%	2,083,256		100.0	%
Allowance for credit losses on loans	(30,089)				(30,656)
Total loans, net of allowance for credit losses	$	2,090,764			$	2,052,600

Loans increased by $37.6 million in 2025, or 1.8%, to $2.121 billion as of December 31, 2025, from $2.083 billion as of December 31, 2024 and was primarily due to a $92.7 million increase in commercial non-owner occupied real estate loans, offset by a decrease of $32.6 million in residential real estate loans and a decrease of $21.9 million in

construction loans. Organic loan originations were $273.5 million in 2025, compared to $152.6 million in 2024. There were loan purchases of approximately $250 thousand in 2025 compared to $35.7 million in 2024. Payoffs were $145.7 million in 2025, compared to $120.6 million in 2024. The majority of the payoffs were a result of asset sales and cash payoffs. In addition, $90.2 million of loan amortization from scheduled repayments, net of credit line utilization, contributed to the change in loan balances for 2025.

Approximately 90% and 89% of total loans were secured by real estate as of December 31, 2025 and 2024, respectively. For additional information on loan concentration risk, see ITEM 1A, Risk Factors.

The following table summarizes our commercial real estate loan concentrations by the county in which the property was located as of December 31, 2025 and 2024.

Commercial Real Estate Loans Outstanding by County


(dollars in thousands; unaudited)	December 31, 2025					December 31, 2024
County	Amount		Percent of Commercial Real Estate Loans		County	Amount		Percent of Commercial Real Estate Loans
Marin	$	298,615	18	%	Marin	$	303,255	19	%
Sonoma	265,542		16		Sonoma	245,510		15
Alameda	201,558		12		San Francisco	211,254		13
San Francisco	188,372		11		Alameda	187,526		12
Sacramento	177,277		11		Napa	170,492		11
Napa	173,587		10		Sacramento	131,857		8
Contra Costa	85,559		5		Contra Costa	75,522		5
Solano	51,948		3		Solano	52,294		3
San Mateo	40,511		2		Placer	41,951		2
Placer	39,355		2		San Mateo	41,275		2
Santa Clara	37,682		2		Santa Clara	23,610		2
San Joaquin	14,278		1		San Joaquin	14,933		1
Orange	10,234		1		El Dorado	8,460		1
Other	91,952		7		Other	87,619		6
Total	$	1,676,470	100	%	Total	$	1,595,558	100	%

Commercial real estate loans increased by $80.9 million in 2025 to $1.676 billion from $1.596 billion at December 31, 2024. The increase in 2025 was comprised of the $92.7 million increase within the non-owner occupied loan portfolio, partially offset by the $11.7 million decrease within the owner-occupied loan portfolio. Of the commercial real estate loans as of December 31, 2025, 81% were non-owner occupied and 19% were owner-occupied. Almost the entire commercial real estate loan portfolio is comprised of term loans for which the primary source of repayment is either the cash flow from leasing activities of the real estate collateral or the operating cash flow of the owner occupant.

Non-owner and Owner Occupied Real Estate Loans by Type


(unaudited)	Percent of Non-owner Occupied Commercial Real Estate Loans				Percent of Owner-Occupied Commercial Real Estate Loans
County	December 31, 2025		December 31, 2024		December 31, 2025		December 31, 2024
Office	27	%	27	%	19	%	19	%
Retail	18		20		7		7
Multi-family	18		16		—		—
Warehouse & industrial	13		11		25		23
Mixed use	7		9		3		2
School	—		—		14		15
Wine	—		—		10		10
Church	—		—		5		6
Gas/auto	—		—		9		8
Health club	—		—		3		4
Other	17		17		5		6
Total	100	%	100	%	100	%	100	%

Commercial Real Estate Loans by Type and County


	Non-owner occupied																Owner-occupied
(unaudited)	Retail				Warehouse & industrial				Multi-family				Office				Office
County	Dec 31, 2025		Dec 31, 2024		Dec 31, 2025		Dec 31 2024		Dec 31, 2025		Dec 31, 2024		Dec 31, 2025		Dec 31, 2024		Dec 31, 2025		Dec 31, 2024
Sacramento	20	%	20	%	26	%	18	%	17	%	9	%	5	%	6	%	21	%	19	%
Marin	16		16		8		12		9		10		24		25		21		22
Napa	16		16		7		4		5		5		8		9		17		21
Sonoma	16		15		25		28		16		11		17		17		8		8
Alameda	6		6		14		16		22		20		8		6		14		6
San Francisco	3		3		9		12		19		30		16		18		5		18
Other bay area	17		16		7		4		4		5		18		15		13		—
Other	6		8		4		6		8		10		4		4		1		6
Total	100	%	100	%	100	%	100	%	100	%	100	%	100	%	100	%	100	%	100	%

With the heightened market concern about non-owner-occupied commercial real estate, and in particular the office sector, we are providing the following additional information: We continue to maintain diversity among property types and within our geographic footprint. In particular, our office commercial real estate portfolio in the City of San Francisco represents just 3% of our total loan portfolio and 4% of our total non-owner-occupied commercial real estate portfolio.

The following table shows an analysis of construction loans by type and county as of December 31, 2025 and 2024.

Construction Loans Outstanding by Type and County


(dollars in thousands; unaudited)	December 31, 2025				December 31, 2024
Loan Type	Amount		Percent of Construction Loans		Amount		Percent of Construction Loans
Apartments and multifamily	$	3,223	21.3	%	$	19,057	51.5	%
Commercial real estate	—		—		2,261		6.1
1-4 Single family residential	11,878		78.7		15,652		42.4


Total	$	15,101	100.0	%	$	36,970	100.0	%


(dollars in thousands; unaudited)	December 31, 2025					December 31, 2024
County	Amount		Percent of Construction Loans		County	Amount		Percent of Construction Loans
San Francisco	$	6,272	41.6	%	San Francisco	$	24,706	66.8	%
Napa	5,468		36.2		Contra Costa	4,682		12.7
Marin	3,224		21.3		Marin	2,995		8.1
Santa Clara	137		0.9		Napa	2,326		6.3
Placer	—		—		Placer	2,261		6.1




Total	$	15,101	100.0	%	Total	$	36,970	100.0	%

Construction loans decreased by $21.9 million in 2025 to $15.1 million from $37.0 million at December 31, 2024. The decrease in 2025 was primarily due to payoffs of $28.7 million offset by $6.7 million in advances on existing construction loans.

Undisbursed construction loan commitments at December 31, 2025 and 2024 were $10.5 million and $8.3 million, respectively.

The following table presents the amortized costs and maturity distribution of our loans by portfolio class as of December 31, 2025 based on their contractual maturity dates. Maturities do not include scheduled payments or potential prepayments.

Loan Maturity Distribution


	Due within 1 year		Due after 1 through 5 years		Due after 5 through 15 years		Due after 15 years		Total
(in thousands; unaudited)
Commercial and industrial	$	66,636	$	67,607	$	24,547	$	1,108	$	159,898
Real estate
Commercial owner-occupied	26,261		106,494		170,782		6,682		310,219
Commercial non-owner occupied	123,980		673,083		561,177		8,011		1,366,251
Construction 1	14,313		788		—		—		15,101
Home equity	4,366		23,339		66,520		4,997		99,222
Other residential	6		136		900		109,572		110,614
Installment and other consumer loans	2,822		7,223		49,411		92		59,548
Total	$	238,384	$	878,670	$	873,337	$	130,462	$	2,120,853

1 Construction loans that mature after 5 years are structured to convert to permanent financing after the initial construction period.

The following table shows the mix of variable-rate loans and fixed-rate loans due after one year by portfolio class as of December 31, 2025. The large majority of variable-rate loans are tied to independent indices, such as the Prime Rate or a Treasury Constant Maturity Rate. Most loans with original terms of more than five years have provisions for the fixed rates to reset, or convert to variable rates, after three, five or seven years. These loans are included in the variable-rate balances below.

Loan Interest Rate Sensitivity - Due After One Year


(in thousands; unaudited)	Fixed		Variable		Total
Commercial and industrial	$	81,176	$	12,086	$	93,262
Real estate
Commercial owner-occupied	159,349		124,609		283,958
Commercial non-owner occupied	773,596		468,675		1,242,271
Construction	—		788		788
Home equity	423		94,433		94,856
Other residential	12,788		97,820		110,608
Installment and other consumer loans	41,366		15,360		56,726
Total	$	1,068,698	$	813,771	$	1,882,469

Allowance for Credit Losses on Loans

The allowance for credit losses on loans is calculated in accordance with ASC 326 based on management's best estimate of current expected credit losses over the loans' contractual terms, adjusted for estimated prepayments where applicable. The contractual terms exclude anticipated extensions, renewals and modifications. Relevant available information includes historical credit loss experience, current conditions and reasonable and supportable forecasts. While historical credit loss experience provides the basis for the estimation of expected credit losses, adjustments to historical loss information may be made for differences in current portfolio-specific risk characteristics, environmental conditions or other relevant factors. All specifically identifiable and quantifiable losses are charged off against the allowance. The ultimate adequacy of the allowance depends on a variety of complex factors, some of which may be beyond management's control, such as volatility in the real estate market, changes in interest rates and economic and political environments. Based on the current conditions of the loan portfolio and reasonable and supportable forecasts, management believes that the $30.1 million allowance for credit losses at December 31, 2025 was adequate to absorb expected credit losses in our loan portfolio. For additional information on our allowance for credit losses methodology, refer to Notes 1 and 3 to the Consolidated Financial Statements in ITEM 8 of this report.

The ratio of the allowance for credit losses to total loans was 1.42% at December 31, 2025 and 1.47% at December 31, 2024.

The $567 thousand decrease in the allowance for credit losses on loans in 2025 was largely due to the $942 thousand in net charge-offs, primarily due to a $2.1 million acquired non-owner occupied commercial real estate loan with a partial charge-off in the first quarter of 2025 of $809 thousand that the Bank had previously reserved $449 thousand for as of December 31, 2024. There was an additional decline in the financial condition of the borrower and guarantor and the value of the collateral during the first quarter that led to the Bank proactively selling the note in March rather than pursuing the additional costly steps of liquidating after foreclosure. It had been on non-accrual since late 2023. This decline was partially offset by the $375 thousand provision recorded in 2025.

For further information, refer to the Provision for Credit Losses section above, and Notes 1 and 3 to the Consolidated Financial Statements in ITEM 8 of this report.

The following table presents the allowance for credit losses on loans by loan portfolio class in accordance with the methodology described in Note 1 to the Consolidated Financial Statements in ITEM 8 of this report, as well as the percentage of total loans in each of the same loan portfolio classes as of December 31, 2025 and 2024.


Allocation of the Allowance for Credit Losses
(dollars in thousands; unaudited)	Commercial and industrial			Commercial real estate, owner-occupied			Commercial real estate, non-owner occupied			Construction			Home equity			Other residential			Installment and other consumer			Unallocated		Total
December 31, 2025
Modeled expected credit losses	$	1,512		$	1,553		$	8,449		$	38		$	736		$	1,059		$	697		$	—	$	14,044
Qualitative adjustments	522			901			5,802			161			67			2			106			1,185		8,746
Specific allocations	55			—			7,226			—			—			18			—			—		7,299
Total	$	2,089		$	2,454		$	21,477		$	199		$	803		$	1,079		$	803		$	1,185	$	30,089
Loans as a percent of total loans	7.5		%	14.6		%	64.5		%	0.7		%	4.7		%	5.2		%	2.8		%	N/A		100.0		%
December 31, 2024

Bank of Marin Bancorp 10-K