UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

~~Washington~~WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

~~Pursuant to~~Date ~~Section 13~~of ~~OR 15~~Report (d) Date of ~~the~~earliest ~~Securities~~event ~~Exchange~~reported): ~~Act~~March of13, ~~1934~~2026

Date of Report (Date of earliest event reported): March 2, 2026

OFFICE PROPERTIES INCOME TRUST

(Exact ~~name~~Name of ~~registrant~~Registrant as ~~specified~~Specified in ~~its~~Its ~~charter~~Charter)

Maryland	001-34364	26-4273474
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

Maryland

Two Newton Place, 255 Washington Street, Suite 300 Newton, Massachusetts	02458-1634
(Address of principal executive offices)	(Zip Code)

(State or Other Jurisdiction of Incorporation)

(617) 219-1440

001-34364	26-4273474
(Commission File Number)	(IRS Employer Identification No.)

(Registrant’s telephone number, including area code)

Two Newton Place, 255 Washington Street, Suite 300, Newton, Massachusetts	02458-1634
(Address of Principal Executive Offices)	(Zip Code)

~~N/A~~617- 219-1440

(~~Former~~Registrant’s ~~name~~Telephone ~~or former address~~Number, ifIncluding Area ~~changed since last report~~Code)

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:

¨	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~~Registered ~~pursuant~~Pursuant to Section 12(b) of the Act:

Title of ~~each~~Each ~~class~~Class Trading Symbol(s) Name of ~~each~~Each ~~exchange~~Exchange onOn ~~which~~Which ~~registered~~Registered N/A N/A N/A

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. ¨

In this Current Report on Form 8-K ~~(this “Current Report”)~~, the terms ~~the~~“OPI,” “the Company,” “we,” “us,” and “our” ~~refers~~refer to Office Properties Income Trust.

Item 7.01. Regulation FD Disclosure.

As previously ~~reported~~disclosed, on October 30, 2025, (the ~~Company~~“Petition Date”), OPI and ~~its~~certain ~~debtor~~of ~~affiliates~~its subsidiaries (collectively, the “Debtors”) ~~each~~ commenced ~~with~~voluntary cases (the “Chapter 11 Cases”) under chapter 11 of title 11 of the United States Code (the “Bankruptcy Code”) in the United States Bankruptcy Court for the Southern District of Texas. ~~(the “Bankruptcy~~The ~~Court”)~~Chapter 11 Cases are being filed to implement a ~~voluntary case~~court-supervised ~~(collectively,~~financial restructuring pursuant to the ~~“Chapter~~ 11terms ~~Cases”)~~described in ~~under~~that ~~chapter~~certain 11Restructuring ofSupport ~~title~~Agreement 11entered ofinto on October 30, 2025 among the ~~United~~Debtors ~~States~~and ~~Code~~the other parties thereto (the “~~Bankruptcy Code~~RSA”). The Debtors’ Chapter 11 Cases are jointly administered under the caption In re Office Properties Income Trust, et al., Case No. 25-90530.

~~The~~Consolidated ~~UCC~~Financial ~~Mediation~~Statements as of and for ~~Settlement~~the year ended December 31, 2025

~~Pursuant~~On toMarch ~~the Agreed Mediation Order Regarding Mediation and Appointing Judge Marvin Isgur as Mediator (the “Mediator”) (Docket No. 569) (the “UCC Mediation Order”) entered by the Bankruptcy Court~~13, ~~in early January~~ 2026 ~~(a) the Debtors~~, ~~(b) an~~ ~~ad hoc group (~~the ~~“September~~ ~~2029 Ad Hoc Group”) of holders of the~~ Company~~’s 9.000% Senior~~ ~~Secured~~delivered ~~Notes~~to ~~due~~certain ~~September 30, 2029, (c) an ad hoc group~~ of ~~holders~~its ofdebtholders ~~certain of~~ the Company’s ~~unsecured~~audited ~~notes~~consolidated ~~(the “Unsecured Notes~~financial Adstatements ~~Hoc~~as ~~Group”), and (d) the Official Committee~~ of ~~Unsecured Creditors (the “Committee”,~~ and ~~together~~for ~~with~~ the ~~Debtors,~~year ~~the~~ended ~~September 2029 Ad Hoc Group, and the Unsecured Notes Ad Hoc Group each, a “Party”~~December ~~and~~31, ~~collectively,~~2025 ~~the “UCC Mediation Parties”) commenced non-binding mediation~~ to ~~resolve~~comply with certain ~~disputes and~~covenants ~~issues~~set forth in the ~~Chapter~~Company’s 11debt ~~Cases~~agreements. ~~This~~A ~~disclosure~~copy ~~contains all~~ of the ~~information~~audited ~~that~~consolidated ~~is required to be disclosed pursuant to paragraph~~financial 13statements ofis ~~the~~furnished ~~UCC~~herewith ~~Mediation~~as ~~Order~~Exhibit 99.1.

~~The~~March ~~UCC~~2029 ~~Mediation~~Ad ~~Parties—including advisors~~Hoc ~~and~~Group principals—participated in the mediation and worked closely with the Mediator and with each other to reach resolution of the issues. On or about February 24, 2026, negotiations concluded and a settlement was reached among the UCC Mediation Parties (the “UCC Settlement”). A copy of the term sheet (the “UCC Settlement Term Sheet”) including the remainder of the principal terms of the UCC Settlement is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. Terms used but not otherwise defined herein have the meanings ascribed to them in the Amended Joint Chapter 11 Plan of Reorganization of Office Properties Income Trust and its Debtor Affiliates [Docket No. 850] filed by the Debtors (as may be amended, modified, or supplemented from time to time, including to reflect the terms of the UCC Settlement Term Sheet and 2027 Settlement Term Sheet (as defined below), the “Plan”).Negotiations

~~Certain~~In connection with confidential discussions with an ad hoc group (the “March 2029 Ad Hoc Group”) of holders of our 9.000% Senior Secured Notes due March 2029 (the ~~key~~“March ~~provisions~~2029 Senior Secured Notes”), we entered into confidentiality agreements (the “Confidentiality Agreements”) ofthat facilitated our ability to engage in discussions with the ~~UCC~~March ~~Settlement~~2029 ~~Term~~Ad ~~Sheet~~Hoc ~~include:~~Group regarding one or more potential transactions involving the March 2029 Senior Secured Notes (a “Potential Transaction”).

·Pursuant ~~Equity~~to ~~Rights~~the ~~Offering:~~Confidentiality Agreements, ~~All~~we ofagreed ~~the~~to ~~Company’s~~publicly ~~Unsecured~~disclose ~~Noteholders~~certain ~~will~~confidential ~~have~~information ~~the~~previously ~~opportunity~~disclosed to ~~participate~~the inMarch an2029 ~~equity~~Ad ~~rights~~Hoc ~~offering~~Group in (collectively, the ~~aggregate~~“Cleansing ~~amount~~Material”) ofupon ~~$35,000,000.~~the ~~Such~~occurrence ~~equity~~of ~~rights~~certain ~~offering~~events ~~will~~set beforth ~~backstopped~~in bythe ~~certain~~Confidentiality ~~Unsecured Noteholders~~Agreements. ·The ~~Unsecured~~information below ~~Noteholders~~is ~~Recovery:~~being ~~The~~furnished ~~Unsecured~~pursuant ~~Noteholders’~~to ~~recovery~~discussions ~~under~~with the ~~Plan~~March ~~will~~2029 ~~include~~Ad ~~6.3%~~Hoc ofGroup ~~Reorganized Common Equity~~ and ~~warrants,~~ in ~~each~~satisfaction ~~case~~of ~~subject~~our topublic ~~certain~~disclosure ~~terms~~obligations under ~~and conditions set forth in~~ the ~~UCC~~Confidentiality ~~Settlement Term Sheet~~Agreements. ·The ~~Priority~~below ~~Guaranteed~~reflects ~~Unsecured Notes Recovery: Holders of~~ the ~~Priority~~most ~~Guaranteed~~recent ~~Unsecured~~proposals ~~Notes~~from ~~will~~us ~~recover~~and ~~100%~~the ofMarch ~~their~~2029 ~~claims~~Ad inHoc ~~Reorganized Common Equity~~Group. ·An ~~September~~agreement has ~~2029~~not ~~Unsecured~~yet ~~Claim~~been ~~Recovery:~~reached ~~Holders~~with of the ~~September~~March 2029 ~~Unsecured~~Ad ~~Claims~~Hoc ~~will~~Group, ~~recover~~but ~~5.3%~~we ofexpect ~~the~~negotiations ~~Reorganized~~to ~~Common Equity in the event of the DIP Equitization~~continue. ·We ~~Trade~~cannot ~~and~~provide ~~Vendor~~any ~~Claim~~assurance ~~Recovery:~~that we ~~Holders of Trade and Vendor Claims~~ will beagree ~~paid~~to interms ~~full in cash~~ on ora asPotential ~~soon~~Transaction aswith ~~reasonably practicable after~~ the ~~Plan~~March ~~Effective~~2029 ~~Date.~~Ad ·Hoc ~~Committee~~Group ~~Support:~~and ~~The~~what ~~Committee will recommend that all unsecured creditors vote in favor of~~ the ~~Plan~~ultimate ~~and~~terms ~~not opt out~~ of ~~the~~any ~~release~~such ~~provisions~~transaction would ~~of the Plan~~be.

·Pursuant ~~Governance~~to ~~and~~the ~~Minority~~Confidentiality Agreements, ~~Protections:~~we ~~The~~disclose ~~UCC~~that ~~Mediation~~the ~~Parties~~last ~~will~~communication ~~receive~~from ~~certain~~the ~~governance~~March ~~rights~~2029 Ad Hoc Group asserted that the aggregate amount of the March 2029 Senior Secured Notes claims, inclusive of any interest, fees, costs, and ~~minority~~charges ~~protections~~(the “March 2029 Notes Claim Amount”), is equal to no less than $321 million as ~~set~~of ~~forth~~the inPetition Date. Our last communication to the ~~UCC~~March ~~Settlement~~2029 ~~Term~~Ad ~~Sheet~~Hoc Group proposed a settlement of the March 2029 Notes Claim Amount at an amount equal to $310 million, inclusive of fees of the March 2029 Ad Hoc Group’s financial advisor and the removal of any redemption price over 100.000% if the March 2029 Senior Secured Notes were to receive new or amended notes (at the settled March 2029 Notes Claim Amount) under the Company’s proposed chapter 11 plan.

The ~~foregoing~~Cleansing ~~description~~Material should ofnot ~~the~~be ~~UCC~~relied ~~Settlement~~upon ~~does~~to make an investment decision with respect to us or our securities. The Cleansing Material should not ~~purport~~be regarded as an indication that we or any third party considers the Cleansing Material to be ~~complete~~material non-public information or a reliable prediction of future events, and isthe ~~qualified~~Cleansing inMaterial ~~its~~should ~~entirety~~not bybe ~~reference~~relied upon as such. Neither we nor any third party makes any representation to any person regarding the ~~full~~accuracy ~~text~~or completeness of any of the ~~UCC~~information ~~Settlement~~contained in the Cleansing Material or undertakes any obligation ~~Term~~to ~~Sheet~~update ~~and~~the anCleansing ~~amended~~Material ~~chapter~~to 11reflect ~~plan~~circumstances ~~incorporating~~existing ~~such~~after ~~settlement~~the date when the Cleansing Material was prepared or conveyed or to reflect the occurrence of future events, even if any or all of the assumptions underlying the Cleansing Material becomes or is shown to be incorrect.

The ~~2027~~information Adset ~~Hoc~~forth in ~~Group~~this ~~Mediation~~Current ~~and~~Report ~~Settlement~~on Form 8-K is not an offer to sell or exchange, or solicitation of an offer to buy or exchange, any securities, or a solicitation of consents with respect to any of our securities.

Pursuant to the Stipulation and Agreed Order Regarding Mediation and Appointing Judge Marvin Isgur as Mediator (Docket No. 893) (the “2027 Mediation Order”) entered by the Bankruptcy Court on March 2Plan, ~~2026~~Disclosure ~~(a) the Debtors~~Statement, ~~(b) the~~Financial ~~September 2029 Ad Hoc Group~~Projections, and ~~(c) an~~Valuation ad hoc group (the “2027 Ad Hoc Group” and together with the Debtors and the September 2029 Ad Hoc Group, each a “2027 Settlement Party” and, collectively, the “2027 Settlement Parties”) of holders of certain of the Company’s 3.250% Senior Secured Notes due December 11, 2026 (the “2027 Senior Secured Notes”), commenced non-binding mediation to resolve certain disputes and issues in the Chapter 11 Cases. This disclosure contains all of the information that is required to be disclosed pursuant to paragraph 13 of the 2027 Mediation Order.Analysis

~~The Parties—including~~On ~~advisors~~January ~~and~~9, ~~principals—participated~~2026, inthe Debtors filed the ~~mediation~~Joint ~~and~~Chapter ~~worked~~11 ~~closely~~Plan ~~with~~of ~~the~~Reorganization ~~Mediator~~of ~~and~~Office ~~each~~Properties ~~other~~Income toTrust ~~reach~~and ~~resolution~~its ofDebtor ~~the~~Affiliates ~~issues~~[Docket No. On575] (as ormay ~~about~~be ~~March 2~~amended, ~~2026~~modified, ~~negotiations~~or ~~concluded~~supplemented ~~and~~from atime ~~settlement~~to ~~was~~time, ~~reached among~~ the ~~Parties (the~~ “~~2027 Settlement~~Plan”). Aand ~~copy~~a related ofdisclosure ~~the~~statement ~~term~~[Docket ~~sheet~~No. 576] (~~the “2027~~as ~~Settlement~~may ~~Term~~be ~~Sheet”)~~amended, ~~including~~modified, ~~the~~or ~~remainder of~~supplemented ~~the~~from ~~principal~~time ~~terms~~to oftime, the ~~2027~~“Disclosure Statement”) ~~Settlement~~with isthe ~~furnished~~Bankruptcy asCourt. ~~Exhibit~~The ~~99.2~~Debtors towill ~~this~~file ~~Current~~amended ~~Report~~versions onof ~~Form~~the ~~8-K~~Plan and isDisclosure ~~incorporated~~Statement ~~herein by~~contemporaneously ~~reference~~herewith.

~~Certain~~On February of19, 2026, the ~~key~~Debtors ~~provisions~~filed a liquidation analysis (the “Liquidation Analysis”), financial projections from May 1, 2026 through December 31, 2030, and a valuation analysis as Exhibits C, D, and E, respectively, to the Disclosure Statement [Docket No. 835]. The Debtors will file amended versions of the financial projections and valuation analysis to reflect the settlement with an ad hoc group of holders of our 3.25% Senior Secured Notes due 2027 ~~Settlement~~contemporaneously ~~Term~~herewith (together, ~~Sheet~~with ~~include:~~the Liquidation Analysis, the “Analyses and Projections”). The Analyses and Projections have not been compiled, audited, or examined by independent accountants, and neither the Debtors nor their advisors make any representations or warranties regarding the accuracy of the Analyses and Projections or the ability to achieve forecasted results. The information contained in the Analyses and Projections is not a prediction or guarantee of the actual market value that may be realized through the sale of any securities to be issued pursuant to the Plan. The information in the Analyses and Projections is presented solely for the purpose of providing adequate information as required by section 1125 of the Bankruptcy Code to enable the holders of claims entitled to vote to accept or reject the plan to make an informed judgment about the plan and should not be used or relied upon for any other purpose.

	·	Promissory Note: A $385,000,000 secured promissory note issued on the Effective Date (as defined in the Plan) that will bear interest at 8.125% (the “Promissory Note”) subject to the distribution and interest schedule and terms set forth below. The final maturity of the Promissory Note will be the date that is 42 months following the Effective Date and may be prepaid on the schedule outlined in the 2027 Settlement Term Sheet.
	·	Distributions:

Copies of the Plan, the Disclosure Statement, and other filings with the Bankruptcy Court related to the Chapter 11 Cases are available for review and download, free of charge, on the website of the Debtors’ claims, noticing, and solicitation agent at https://restructuring.ra.kroll.com/OPI or through the Bankruptcy Court’s website, for a fee, at https://ecf.txsb.uscourts.gov. The information contained on, or that may be accessed through, the websites referenced in this Current Report on Form 8-K in each case is not incorporated by reference into, and is not a part of, this Current Report on Form 8-K.

oCautionary OnLanguage orRegarding ~~before~~Trading ~~August~~in ~~1, 2026,~~ the Company’s ~~Debtors~~Common will pay $15,000,000 to the holders of 2027 Senior Secured Notes (the “2027 Holders”). o On or before November 1, 2026, the Debtors will pay an additional $15,000,000 to the 2027 Holders. o On or before February 1, 2027, the Debtors will pay an additional $30,000,000 to the 2027 Holders. o The deferred payments of $45,000,000 will bear interest at 8.125% and be secured by a mortgage and treated as mandatory amortization. o The $60,000,000 of payments will be applied as a $10,000,000 support fee to the 2027 Ad Hoc Group and as a $50,000,000 principal payment.Shares

~~· Valuation:~~ The ~~Debtors~~Company’s ~~will~~shareholders are ~~provide~~cautioned ~~appraisals~~that totrading in the ~~2027~~Company’s ~~Settlement~~common ~~Parties~~shares of beneficial interest, ~~prepared~~$.01 bypar avalue ~~nationally~~per ~~recognized~~share ~~appraisal~~(“common ~~firm~~shares”), during ~~reflecting~~the pendency of the ~~fair~~Chapter ~~market~~11 ~~values~~Cases ofis ~~the~~highly ~~properties~~speculative ~~securing~~and ~~the~~poses ~~2027~~substantial ~~Senior~~risks. ~~Secured~~The ~~Notes~~Company’s common shares are no longer listed on aThe ~~first~~Nasdaq ~~lien~~Stock ~~basis~~Market LLC, ~~excluding~~and ~~certain~~trading ~~properties~~prices ~~outlined~~for in the ~~2027~~Company’s ~~Settlement~~common ~~Term~~shares ~~Sheet.~~may ~~The~~bear ~~appraisals~~little ~~shall~~or beno ~~subject~~ relationship to the ~~acceptance~~actual ofrecovery, ~~the~~if ~~2027~~any, Adby ~~Hoc~~holders ~~Group~~thereof ~~and~~in the ~~fair~~Chapter ~~market~~11 ~~value~~Cases. ofAccordingly, the ~~appraisal~~Company ~~shall~~urges ~~not~~extreme becaution ~~less~~with ~~than~~respect to ~~$460,000,000~~existing and future investments in its common shares.

·Cautionary Interest Rate: Prior to the earlier of (i) the Effective Date (as defined in the Plan) and (ii) August 1, 2026, interest will accrue on the 2027 Senior Secured Notes and be fully paid at the non-default interest rate. Thereafter, interest will accrue at 8.125%. · Professional Fees: Reasonable and documented professional fees of the 2027 Ad Hoc Group will be reimbursed by the Debtors. · Sale of Properties: The Debtors may sell one or more of the properties that are held as collateral by the 2027 Holders, with the lien on the sold properties being released at the closing of the sale and a portion of the proceeds being used to pay down the Promissory Note atConcerning ~~par.~~Forward ~~The sale and proceeds of the properties are subject to certain terms and conditions outlined in the 2027 Settlement Term Sheet.~~Looking Statements

~~The~~This ~~foregoing~~Current ~~description~~Report on Form 8-K contains statements that constitute forward-looking statements within the meaning of the ~~2027~~Private ~~Settlement~~Securities ~~does~~Litigation Reform Act of 1995 and other securities laws. Also, whenever we use words such as “believe”, “expect”, “anticipate”, “intend”, “plan”, “estimate”, “will”, “may” and negatives or derivatives of these or similar expressions, we are making forward-looking statements. These forward-looking statements are based upon our present intent, beliefs or expectations, but forward-looking statements are not ~~purport~~guaranteed to beoccur ~~complete~~ and ismay ~~qualified~~not occur. Actual results may differ materially from those contained in ~~its~~or ~~entirety~~implied by ~~reference~~our forward-looking statements as a result of various factors. These forward-looking statements include, among others, statements regarding the process and potential outcomes of the Chapter 11 Cases, including with respect to future negotiations with the ~~full~~March ~~text~~2029 Ad Hoc Group and a Potential Transaction. Forward-looking statements are based on the Company’s current expectations, assumptions and estimates and are subject to risk, uncertainties, and other important factors that are difficult to predict and that could cause actual results to differ materially and adversely from those expressed or implied. These risks include, among others, those related to: the Company’s ability to confirm and consummate a plan of reorganization; the duration ~~2027~~and ~~Settlement~~outcome of the Chapter 11 Cases; the Company suffering from a long and protracted restructuring; the impact of the Chapter ~~Term~~11 ~~Sheet~~Cases on the Company’s operations, reputation and anrelationships ~~amended~~with ~~chapter~~tenants, lenders, and vendors; the Company having insufficient liquidity; the availability of financing; the ability to satisfy the conditions precedent to the RSA; the effectiveness of the overall restructuring activities pursuant to the Chapter 11 ~~plan~~Cases ~~incorporating~~and ~~such~~any ~~settlement~~additional strategies that the Company may employ to address its liquidity and capital resources and achieve its stated goals; the potential cancellation of the Company’s equity; and the Company’s historical financial information not being indicative of its future performance as a result of the Chapter 11 Cases.

~~Monthly~~The ~~Operating~~information ~~Reports~~contained in the Company’s filings with the Securities and Exchange Commission (“SEC”), including under the caption “Risk Factors” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024 and subsequent filings with the SEC, or incorporated herein or therein, identifies other important factors that could cause differences from our forward-looking statements. The Company’s filings with the SEC are available on the SEC’s website at www.sec.gov.

OnYou ~~March~~should 2,not ~~2026,~~place ~~the Debtors~~undue ~~filed~~reliance ~~their~~upon ~~Monthly Operating Reports (~~the ~~“MORs”) with the Bankruptcy Court. The MORs provide financial and operational information regarding the~~ Company’s ~~performance during the period of January 1, 2026 through January 31, 2026. The Debtors continue to operate their businesses and manage their properties as debtors~~forward-~~in-possession~~looking ~~under the jurisdiction of the Bankruptcy Court and in accordance with the applicable provisions of the Bankruptcy Code and orders of the Bankruptcy Court~~statements.

~~OPI’s~~Except ~~MOR is attached~~ as ~~Exhibit~~required ~~99.3.~~by ~~Copies of the MORs and other filings with the Bankruptcy Court related to the Chapter 11 Cases are available for review and download~~law, ~~free of charge, on the website of the Debtors’ claims, noticing, and solicitation agent at https://restructuring.ra.kroll.com/OPI~~ orwe ~~through~~do ~~the~~not ~~Bankruptcy~~intend ~~Court’s~~to ~~website,~~update ~~for a fee, at https://ecf.txsb.uscourts.gov. The information contained on,~~ or ~~that~~change ~~may be~~any ~~accessed through, the websites referenced in this Current Report on Form 8~~forward-Klooking instatements ~~each~~as ~~case is not incorporated by reference into, and is not~~ a ~~part~~result of, ~~this~~new ~~Current~~information, ~~Report~~future onevents ~~Form~~or ~~8-K~~otherwise.

~~Cautionary~~Item ~~Statement~~9.01. ~~Regarding~~Financial ~~the~~Statements ~~MORs~~and Exhibits.

The Company cautions investors and potential investors not to place undue reliance upon the information contained in the MORs, which were not prepared for the purpose of providing the basis for an investment decision relating to any of the securities of the Company. The MORs are limited in scope, cover a limited time period, and have been prepared solely for the purpose of complying with the reporting requirements of the Bankruptcy Court. The MORs were not audited or reviewed by independent accountants, were not prepared in accordance with generally accepted accounting principles, are in a format prescribed by applicable bankruptcy rules and guidelines, and are subject to future adjustment and reconciliation. There can be no assurance that, from the perspective of an investor or potential investor in the Company’s securities, the MORs are complete. The MORs also contain information for periods which are shorter or otherwise different from those required in the Company’s reports pursuant to the Securities Exchange Act of 1934, as amended (~~the “Exchange Act”~~d), and such information might not be indicative of the Company’s financial condition or operating results for the periods that would be reflected in the Company’s financial statements or in its reports pursuant to the Exchange ActExhibits. ~~Results and projections set forth in the MORs should not be viewed as indicative of future results.~~

~~Cautionary~~99.1 ~~Language~~Office ~~Regarding~~Properties ~~Trading~~Income inTrust Consolidated Financial Statements as of and for the ~~Company’s~~ ~~Common~~year ~~Shares~~ended December 31, 2025.

~~The~~104 ~~Plan~~Cover ~~provides~~Page ~~that~~Interactive ~~the Company’s~~Data ~~common shares of beneficial interest, $~~File.01 ~~par value per share~~ (~~“common~~Embedded ~~shares”),~~within ~~will be cancelled and extinguished on~~ the ~~effective~~Inline ~~date~~XBRL ~~of the Plan, and the holders thereof will not be entitled to receive, and will not receive or retain, any property or interest in property on account of such common shares~~Document). If the Plan is confirmed and the Company’s common shares are cancelled, amounts invested by holders of such common shares will not be recoverable and such common shares will have no value. Trading prices for the Company’s common shares may bear little or no relationship to the actual recovery, if any, by holders of the Company’s common shares upon the conclusion of the Chapter 11 Cases. Accordingly, the Company urges extreme caution with respect to existing and future investments in its common shares.

~~Cautionary Note Concerning Forward Looking Statements~~SIGNATURES

~~This~~Pursuant ~~Current~~to ~~Report on Form~~the ~~8-K~~requirements ~~contains statements that constitute forward-looking statements within the meaning~~ of the ~~Private~~ Securities ~~Litigation~~Exchange ~~Reform~~ Act of 1995 and other securities laws. Also, whenever we use words such as “believe,” “expect,” “anticipate,” “intend,” “plan,” “estimate,” “will,” “may,” and negatives or derivatives of ~~these or similar expressions~~1934, we are making forward-looking statements. These forward-looking statements are based upon our present intent, beliefs, or expectations, but forward-looking statements are not guaranteed to occur and may not occur. Actual results may differ materially from those contained in or implied by our forward-looking statements as a result of various factors. These forward-looking statements include, among others, statements about the ~~Plan,~~registrant ~~the~~has ~~process~~duly ~~and~~caused ~~potential~~this outcomes of the Chapter 11 Cases, and the consummation of the transactions contemplated by the UCC Settlement Term Sheet and the 2027 Settlement Term Sheet. Forward-looking statements are based on the Company’s current ~~expectations,~~report ~~assumptions, and estimates and are subject~~ to ~~risk,~~be ~~uncertainties,~~signed and other important factors that are difficult to predict and that could cause actual results to differ materially and adversely from those expressed or implied. These risks include, among others, those related to: the Company’s ability to confirm and consummate the Plan; the duration and outcome of the Chapter 11 Cases; the Company suffering from a long and protracted restructuring; the impact of the Chapter 11 Cases on ~~the~~ Company’s operations, reputation, and relationships with tenants, lenders, and vendors; the Company having insufficient liquidity; the availability of financing; the ability to satisfy the conditions precedent to the restructuring support agreement entered into in connection with the Chapter 11 Cases; the effectiveness of the overall restructuring activities pursuant to the Chapter 11 Cases and any additional strategies that the Company may employ to address its ~~liquidity and capital resources and achieve its stated goals; the potential~~behalf ~~cancellation~~by of the ~~Company’s~~undersigned ~~equity;~~hereunto ~~and~~duly ~~the Company’s historical financial information not being indicative of its future performance as a result of the Chapter 11 Cases~~authorized.

~~The~~OFFICE ~~information~~PROPERTIES ~~contained in~~INCOME ~~the~~TRUST ~~Company’s~~By: ~~filings with the Securities and Exchange Commission (the “SEC”), including under the caption “Risk Factors” in the Company’~~/s/ ~~Annual~~Brian ~~Report~~E. onDonley ~~Form~~Name: ~~10-K~~Brian ~~for~~E. ~~the~~Donley ~~year~~Title: ~~ended~~Chief ~~December~~Financial ~~31,~~Officer ~~2024~~ and subsequent filings with the SEC, or incorporated herein or therein, identifies other important factors that could cause differences from our forward-looking statements. The Company’s filings with the SEC are available on the SEC’s website at www.sec.gov.Treasurer

~~You~~Dated: ~~should~~March ~~not~~13, ~~place undue reliance upon the Company’s forward-looking statements.~~2026

Except as required by law, we do not intend to update or change any forward-looking statements as a result of new information, future events or otherwise.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits

Exhibit No.		Description of Exhibit
99.1		UCC Settlement Term Sheet
99.2		2027 Settlement Term Sheet
99.3		Office Properties Income Trust Monthly Operating Report for the period of January 1, 2026 through January 31, 2026.
104		Cover Page Interactive Data File (embedded within the 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.

OFFICE PROPERTIES INCOME TRUST By: /s/ Brian E. Donley Name: Brian E. Donley Title: Chief Financial Officer and Treasurer

Dated: March 4, 2026

Filing Compare · OFFICE PROPERTIES INCOME TRUST