UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K
CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(D) OF
THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): ~~January~~February 224, 2026

NB BANCORP, INC.

(Exact Name of Registrant as Specified in Charter)


Maryland	001-41899	93-2560883
(State or Other Jurisdiction)	(Commission File No.)	(I.R.S. Employer
of Incorporation)		Identification No.)


	1063 Great Plain Avenue, Needham, Massachusetts	02492
	(Address of Principal Executive Offices)	(Zip Code)

Registrant’s telephone number, including area code: (781) 444-2100

Not Applicable
(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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


Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, Par Value $0.01 Per Share		NBBK		The Nasdaq Stock Market, LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

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. ☐

Item 28.0201 ~~Results~~OTHER ~~of Operation and Financial Condition.~~EVENTS

On ~~January~~February 224, 2026, NB Bancorp, Inc. (the “Company”), the ~~holding~~parent company ~~for~~of Needham Bank, ~~issued~~made available a ~~press~~slide ~~release~~presentation at an in-person ~~which~~investors itbank ~~announced~~meeting. ~~its~~The ~~earnings~~presentation ~~for~~materials include information regarding the ~~quarter~~Company’s ~~ended~~operations ~~December~~and ~~31,~~financial ~~2025~~performance. The slide presentation is included in this Current Report on Form 8-K as Exhibit 99.1 and is incorporated herein by reference.

A copy of the press release announcing the results is included as Exhibit 99.1 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933.

Item 8.01 Other Events.

On January 22, 2026, the Board of Directors of NB Bancorp, Inc. declared a dividend of $0.07 per share. The dividend will be paid February 19, 2026 to stockholders of record as of February 5, 2026.

On January 22, 2025, the Board of Directors of NB Bancorp, Inc. also authorized the Company to purchase up to 2,288,509 shares, or 5%, of the Company’s outstanding shares of common stock.

A copy of the press release announcing the declaration of the dividend and the adoption of the stock repurchase program is attached to this Current Report on Form 8-K as Exhibit 99.1 and is hereby incorporated by reference.

Item 9.01

Financial Statements and Exhibits.

(d)

Exhibits


Exhibit No.		Description
99.1		~~Press~~Presentation ~~Release~~Materials of NB Bancorp, Inc. dated ~~January~~February 224, 2026
104.1		Cover Page Interactive Data File (Embedded within Inline XBRL document)
104		Cover Page Interactive Data File (Embedded within Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.


		NB BANCORP, INC.

DATE: January 22, 2026	By:	/s/Jean-Pierre Lapointe
DATE: February 4, 2026	By:	/s/Jean-Pierre Lapointe
		Senior Executive Vice President and Chief Financial Officer

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