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~~

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

Date of Report (Date of earliest event reported): March 31, 2026

OFFICE PROPERTIES INCOME TRUST

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

Maryland

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

(State or Other Jurisdiction of Incorporation)

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

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

(617) 219-1440

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

(Registrant’s telephone number, including area code)

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

(~~Registrant’s~~Former ~~Telephone~~name ~~Number~~or former address, ~~Including Area~~if ~~Code~~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:

¨	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 ~~“OPI,” “~~the “Company,” “we,” “us,” and “our” ~~refer~~refers to Office Properties Income Trust.

Item 7.01. Regulation FD Disclosure.

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

~~Consolidated~~The ~~Financial~~2027 ~~Statements~~Ad asHoc ofGroup Mediation and Amended ~~for~~Settlement ~~the year ended December 31, 2025~~

OnPursuant 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 132, 2026, (a) the ~~Company~~Debtors, ~~delivered~~(b) an toad ~~certain~~hoc group (the “September 2029 Ad Hoc Group”) of ~~its~~holders ~~debtholders~~of the Company’s ~~audited~~9.000% Senior ~~consolidated~~Secured ~~financial~~Notes ~~statements~~due asSeptember of30, 2029, and ~~for~~(c) an ad hoc group (the “2027 ~~year~~Ad ~~ended~~Hoc ~~December~~Group” 31and together with the Debtors and the September 2029 Ad Hoc Group, ~~2025~~each toa “Party” ~~comply~~and, ~~with~~collectively, the “Parties”) ~~certain~~of ~~covenants~~holders ~~set~~of ~~forth~~certain inof the Company’s ~~debt~~3.250% ~~agreements~~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. AThis ~~copy~~disclosure contains all of the ~~audited~~information ~~consolidated~~that ~~financial~~is required to be disclosed pursuant to paragraph 13 of ~~statements~~the is2027 ~~furnished~~Mediation ~~herewith~~Order. Terms used but not otherwise defined herein have the meanings ascribed to them in the Second Amended Joint Chapter 11 Plan of Reorganization of Office Properties Income Trust and its Debtor Affiliates [Docket No. 1016] filed by the Debtors (as ~~Exhibit~~may 99be amended, modified, or supplemented from time to time, including to reflect the terms of the Amended 2027 Settlement Term Sheet (as defined below), the “Plan”).1.

The Parties—including advisors and principals—participated in the mediation and worked closely with the Mediator and each other to reach resolution of the issues. On or about March ~~2029~~2, Ad2026, ~~Hoc~~negotiations ~~Group~~concluded ~~Negotiations~~and an initial settlement was reached among the Parties (the “Original 2027 Settlement”). The Parties continued to revise and finalize the Original 2027 Settlement and on March 31, 2026, the Parties entered into an amended settlement (the “Amended 2027 Settlement”) and filed a revised version of the settlement term sheet (the “Amended 2027 Settlement Term Sheet”) [Docket No. 1139]. A copy of the Amended 2027 Settlement Term Sheet is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

InCertain ~~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 ~~“March~~key ~~2029 Senior Secured Notes”), we entered into confidentiality agreements (the “Confidentiality Agreements”)~~amendments ~~that facilitated our ability~~ to ~~engage in discussions with~~ the ~~March~~Original ~~2029~~2027 AdSettlement ~~Hoc Group regarding one or more potential transactions involving the March 2029 Senior Secured Notes (a “Potential Transaction”).~~include:

~~Pursuant~~· toInterest ~~the~~Rate: ~~Confidentiality Agreements~~The $385,000,000 wesecured ~~agreed~~promissory tonote ~~publicly disclose certain confidential information previously disclosed to the March 2029 Ad Hoc Group~~ (~~collectively,~~ the “~~Cleansing~~Promissory ~~Material~~Note”) ~~upon~~issued ~~the~~on ~~occurrence of certain events set forth in~~ the ~~Confidentiality~~Effective ~~Agreements.~~Date ~~The~~(as ~~information below~~defined ~~is being furnished pursuant to discussions with the March 2029 Ad Hoc Group and~~ in ~~satisfaction of our public disclosure obligations under~~ the ~~Confidentiality~~Plan) ~~Agreements.~~will ~~The~~bear ~~below~~interest ~~reflects~~at ~~the most recent proposals from us and the March 2029 Ad Hoc Group~~8.375% Anrather ~~agreement has~~than ~~not yet been reached with the March 2029 Ad Hoc Group, but we expect negotiations to continue~~8. ~~We cannot provide any assurance that we will agree to terms on a Potential Transaction with the March 2029 Ad Hoc Group and what the ultimate terms of any such transaction would be~~125%.

~~Pursuant~~· toSpecial ~~the~~Purpose ~~Confidentiality Agreements,~~Vehicle: weThe ~~disclose~~Promissory ~~that~~Note ~~the~~shall ~~last~~be ~~communication~~issued ~~from~~by ~~the~~a ~~March~~new ~~2029~~special Adpurpose ~~Hoc~~vehicle ~~Group asserted that the aggregate amount of the March 2029 Senior Secured Notes claims, inclusive of any interest, fees, costs, and charges~~ (~~the~~ “~~March 2029 Notes Claim Amount~~SPV”),. ~~is equal~~The toSPV noincorporates ~~less~~certain ~~than~~protections ~~$321~~for ~~million~~the asholders of the ~~Petition~~2027 ~~Date.~~Senior ~~Our~~Secured ~~last~~Notes, ~~communication~~including toconsent ~~the~~rights ~~March~~for ~~2029~~an Adindependent ~~Hoc~~director ~~Group proposed a settlement~~ of the ~~March 2029 Notes Claim Amount at an amount equal to $310 million~~SPV, ~~inclusive~~maintenance of ~~fees~~books ofand ~~the~~records ~~March~~for ~~2029~~review Adby ~~Hoc Group’s financial advisor and~~ the ~~removal~~holders of ~~any redemption price over 100.000% if~~ the ~~March~~2027 ~~2029~~ Senior Secured Notes, ~~were~~and toother ~~receive new~~restrictions oron ~~amended~~related-party ~~notes~~transactions ~~(at~~and ~~the~~distributions ~~settled~~to ~~March 2029 Notes Claim Amount) under the Company’s proposed chapter 11 plan~~equity.

~~The~~· ~~Cleansing~~Limited ~~Material~~Guaranty: ~~should not be relied upon to make an investment decision with respect to us or our securities.~~ The ~~Cleansing~~reorganized ~~Material~~Company ~~should~~shall ~~not~~provide bea ~~regarded as~~limited anguaranty ~~indication~~on ~~that~~the wePromissory orNote ~~any third party considers~~ (the ~~Cleansing~~“Limited ~~Material~~Guaranty”), towhich shall be ~~material~~capped ~~non-public~~at ~~information or~~ a ~~reliable~~total ~~prediction~~ of ~~future events~~$60,000,000, ~~and~~subject ~~the Cleansing Material should not be relied upon as such. Neither we nor any third party makes any representation~~ to ~~any person regarding~~ the ~~accuracy~~terms ~~or completeness~~ of ~~any of~~ the ~~information~~Amended ~~contained~~2027 inSettlement ~~the~~Term ~~Cleansing~~Sheet. ~~Material~~The orreorganized ~~undertakes~~Company ~~any~~will ~~obligation to~~pay ~~update the Cleansing Material to reflect circumstances existing after the date when the Cleansing Material was prepared or conveyed or to reflect the occurrence of future events~~$10,000,000 ~~even if any or all~~ of the ~~assumptions~~Limited ~~underlying~~Guaranty ~~the~~as ~~Cleansing~~a ~~Material~~support ~~becomes or is shown to be incorrect~~fee.

· Valuation: The ~~information~~2027 ~~set~~Ad ~~forth in~~Hoc ~~this~~Group ~~Current~~confirmed ~~Report~~their onacceptance ~~Form~~of ~~8-K~~$493,150,000 isas ~~not~~the anappraised ~~offer~~value toof ~~sell~~the orrequisite ~~exchange,~~properties orsecuring ~~solicitation~~the of2027 anSenior ~~offer~~Secured toNotes ~~buy~~on ora ~~exchange,~~first ~~any~~lien ~~securities~~basis, or athereby ~~solicitation~~satisfying ofa ~~consents~~requirement ~~with~~for ~~respect~~effectiveness toof ~~any~~the ofAmended ~~our~~2027 ~~securities~~Settlement.

~~Plan,~~The ~~Disclosure~~foregoing ~~Statement,~~description of ~~Financial~~the ~~Projections,~~Amended 2027 Settlement does not purport to be complete and is qualified in its entirety by reference to the full text of the Amended 2027 Settlement Term Sheet and ~~Valuation~~an ~~Analysis~~amended chapter 11 plan incorporating such settlement.

~~On January~~Monthly 9,Operating 2026, the Debtors filed the Joint Chapter 11 Plan of Reorganization of Office Properties Income Trust and its Debtor Affiliates [Docket No. 575] (as may be amended, modified, or supplemented from time to time, the “Plan”) and a related disclosure statement [Docket No. 576] (as may be amended, modified, or supplemented from time to time, the “Disclosure Statement”) with the Bankruptcy Court. The Debtors will file amended versions of the Plan and Disclosure Statement contemporaneously herewith.Reports

On ~~February~~ 19March 31, 2026, the Debtors filed atheir ~~liquidation~~Monthly ~~analysis~~Operating Reports (the “~~Liquidation Analysis~~MORs”), ~~financial~~with ~~projections from May 1, 2026 through December 31, 2030, and a valuation analysis as Exhibits C, D, and E, respectively, to~~ the ~~Disclosure~~Bankruptcy ~~Statement [Docket No~~Court. ~~835].~~ The ~~Debtors~~MORs ~~will~~provide ~~file amended versions of the~~ financial ~~projections~~ and operational ~~valuation~~information ~~analysis~~regarding ~~to reflect~~ the ~~settlement with~~Company’s anperformance adduring ~~hoc~~the ~~group~~period of ~~holders~~February ~~of our 3.25% Senior Secured Notes due 2027 contemporaneously herewith (together~~1, ~~with~~2026 ~~the~~through ~~Liquidation~~February ~~Analysis~~28, ~~the “Analyses and Projections”)~~2026. The ~~Analyses and Projections have not been compiled,~~ ~~audited,~~Debtors orcontinue ~~examined~~to byoperate ~~independent~~their ~~accountants,~~businesses and ~~neither~~manage ~~the Debtors nor~~ their ~~advisors~~properties ~~make~~as ~~any~~debtors-in-possession ~~representations~~under ~~or warranties regarding~~ the ~~accuracy~~jurisdiction of the ~~Analyses~~Bankruptcy Court and ~~Projections or the ability to achieve forecasted results. The information contained~~ in ~~the~~accordance ~~Analyses~~with ~~and Projections is not a prediction or guarantee of~~ the ~~actual~~applicable ~~market~~provisions ~~value that may be realized through the sale~~ of ~~any securities to be issued pursuant to~~ the ~~Plan.~~Bankruptcy ~~The~~Code ~~information in the Analyses~~ and ~~Projections~~orders ~~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~~Court.

The Company’s MOR is attached as Exhibit 99.2. Copies of the ~~Plan,~~MORs ~~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.

Cautionary ~~Language~~Statement Regarding ~~Trading in~~ the ~~Company’s~~ ~~Common Shares~~MORs

The Company’s ~~shareholders~~cautions investors ~~are~~and ~~cautioned~~potential ~~that~~investors ~~trading~~not to place undue reliance upon the information contained in the ~~Company’s~~MORs, ~~common~~which ~~shares~~were not prepared for the purpose of ~~beneficial~~providing ~~interest,~~the $basis for an investment decision relating to any of the securities of the Company.01 ~~par~~The ~~value~~MORs ~~per~~are ~~share~~limited ~~(“common~~in ~~shares”)~~scope, cover ~~during~~a limited time period, and have been prepared solely for the ~~pendency~~purpose of complying with the ~~Chapter~~reporting 11requirements ~~Cases~~of isthe ~~highly~~Bankruptcy ~~speculative~~Court. The ~~and~~MORs ~~poses~~were ~~substantial~~not ~~risks.~~audited ~~The~~or ~~Company’s~~reviewed ~~common~~by ~~shares~~independent ~~are~~accountants, nowere not prepared in accordance with generally accepted accounting principles, ~~longer~~are ~~listed~~in ona ~~The~~format ~~Nasdaq~~prescribed ~~Stock~~by ~~Market~~applicable ~~LLC~~bankruptcy rules and guidelines, and ~~trading~~are ~~prices~~subject ~~for~~to future adjustment and reconciliation. There can be no assurance that, from the perspective of an investor or potential investor in the Company’s ~~common~~securities, ~~shares~~the ~~may~~MORs ~~bear~~are ~~little~~complete. The MORs also contain information for periods which are shorter or nootherwise ~~relationship~~different from those required in the Company’s reports pursuant to the ~~actual~~Securities ~~recovery~~Exchange Act of 1934, ifas ~~any~~amended (the “Exchange Act”), byand ~~holders~~such ~~thereof~~information inmight not be indicative of the ~~Chapter~~Company’s 11financial ~~Cases.~~condition ~~Accordingly,~~or operating results for the ~~Company~~periods ~~urges~~that ~~extreme~~would ~~caution~~be ~~with~~reflected ~~respect~~in the Company’s financial statements or in its reports pursuant to ~~existing~~the Exchange Act. Results and ~~future~~projections ~~investments~~set forth in ~~its~~the ~~common~~MORs ~~shares~~should not be viewed as indicative of future results.

Cautionary ~~Note~~Language ~~Concerning~~Regarding ~~Forward~~Trading ~~Looking~~in the ~~Statements~~Company’s Common Shares

~~This~~The ~~Current~~Plan ~~Report~~provides ~~on Form 8-K contains statements~~ that ~~constitute forward-looking statements within~~ the Company’s ~~meaning~~common ofshares ~~the Private Securities Litigation Reform Act~~ of ~~1995~~beneficial ~~and~~interest, ~~other securities laws~~$.01 ~~Also,~~par ~~whenever~~value weper ~~use~~share ~~words such as~~ (“~~believe”,~~common ~~“expect~~shares”), ~~“anticipate”, “intend”, “plan”, “estimate”, “~~will”, ~~“may”~~be cancelled and ~~negatives~~extinguished oron ~~derivatives~~the ~~of these~~effective ordate ~~similar~~of ~~expressions,~~the ~~we are making forward-looking statements. These forward-looking statements are based upon our present intent~~Plan, ~~beliefs~~ orand ~~expectations,~~the ~~but~~holders ~~forward-looking~~thereof ~~statements~~will ~~are~~ not ~~guaranteed~~be entitled to ~~occur~~receive, and ~~may~~will not ~~occur.~~receive ~~Actual~~or ~~results may differ materially~~retain, ~~from~~any ~~those~~property ~~contained in~~ or ~~implied~~interest byin ~~our~~property ~~forward-looking~~on ~~statements~~account ~~as a result~~ of ~~various~~such ~~factors~~common shares. ~~These~~If ~~forward-looking statements include, among others, statements regarding~~ the ~~process~~Plan ~~and~~is ~~potential~~confirmed ~~outcomes of the Chapter 11 Cases, including with respect to future negotiations with the March 2029 Ad Hoc Group~~ and ~~a Potential Transaction. Forward-looking statements are based on~~ the Company’s ~~current~~common ~~expectations, assumptions and estimates and~~ shares are ~~subject to risk~~cancelled, ~~uncertainties,~~amounts ~~and~~invested ~~other~~by ~~important factors~~holders ~~that~~of ~~are~~such ~~difficult~~common toshares ~~predict~~will ~~and~~not ~~that~~be ~~could~~recoverable ~~cause actual results to differ materially~~ and ~~adversely~~such ~~from~~common ~~those~~shares ~~expressed~~will orhave ~~implied~~no value. Trading ~~These~~prices ~~risks~~for ~~include, among others, those related to:~~ the Company’s ~~ability~~common toshares ~~confirm~~may ~~and~~bear ~~consummate~~little aor ~~plan~~no ofrelationship ~~reorganization;~~to the ~~duration~~ ~~and~~actual ~~outcome~~recovery, ofif ~~the~~any, ~~Chapter~~by 11holders ~~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;~~common ~~the~~shares ~~availability~~upon ~~of financing;~~ the ~~ability~~conclusion ~~to satisfy the conditions precedent to the RSA; the effectiveness~~ of the ~~overall restructuring activities pursuant to the~~ Chapter 11 Cases. ~~and~~Accordingly, ~~any additional strategies that~~ the Company ~~may~~urges ~~employ~~extreme tocaution ~~address~~with ~~its~~respect ~~liquidity and~~to ~~capital~~existing ~~resources~~ and ~~achieve its stated goals; the potential cancellation of the Company’s equity; and the Company’s~~ ~~historical~~future ~~financial~~investments ~~information~~in ~~not being indicative of~~ its ~~future~~common ~~performance as a result of the Chapter 11 Cases~~shares.

~~The~~Cautionary ~~information~~Note ~~contained in~~Concerning ~~the~~Forward ~~Company’s filings with the Securities and Exchange Commission (“SEC”), including under the caption “Risk~~Looking 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.Statements

~~You~~This ~~should~~Current ~~not~~Report ~~place~~on ~~undue~~Form ~~reliance~~8-K ~~upon~~contains statements that constitute forward-looking statements within the ~~Company’s~~meaning of the Private Securities 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 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, the process and potential outcomes of the Chapter 11 Cases, and the consummation of the transactions contemplated by the Amended 2027 Settlement Term Sheet. 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 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 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.

~~Except~~The asinformation ~~required~~contained in bythe ~~law~~Company’s filings with the Securities and Exchange Commission (the “SEC”), including under wethe docaption ~~not~~“Risk ~~intend~~Factors” toin ~~update~~the Company’s Annual Report on Form 10-K for the year ended December 31, 2024 and subsequent filings with the SEC, or ~~change~~incorporated ~~any~~herein or therein, identifies other important factors that could cause differences from our forward-looking statements. asThe aCompany’s ~~result~~filings ofwith ~~new~~the ~~information,~~SEC ~~future~~are ~~events~~available oron ~~otherwise~~the SEC’s website at www.sec.gov.

~~Item~~You ~~9.01.~~should ~~Financial~~not ~~Statements~~place ~~and~~undue reliance ~~Exhibits~~upon the Company’s forward-looking statements.

~~(d)~~Except ~~Exhibits~~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.

99Item 9.101. ~~Office Properties Income Trust Consolidated~~ Financial Statements ~~as of~~ and ~~for the year ended December 31, 2025.~~Exhibits

~~104 Cover Page Interactive Data File.~~ (~~Embedded within the Inline XBRL Document~~d). Exhibits

SIGNATURES

Exhibit No.		Description of Exhibit
99.1		Amended 2027 Settlement Term Sheet
99.2		Office Properties Income Trust Monthly Operating Report for the period of February 1, 2026 through February 28, 2026.
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

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

~~OFFICE~~Pursuant ~~PROPERTIES~~to ~~INCOME~~the ~~TRUST~~requirements ~~By:~~of ~~/s/~~the ~~Brian~~Securities E.Exchange ~~Donley~~Act ~~Name:~~of ~~Brian~~1934, E.the ~~Donley~~registrant ~~Title:~~has ~~Chief~~duly ~~Financial~~caused ~~Officer~~this ~~and~~report ~~Treasurer~~to be signed on its behalf by the undersigned hereunto duly authorized.

~~Dated~~OFFICE PROPERTIES INCOME TRUST By: ~~March~~/s/ ~~13,~~Brian ~~2026~~E. Donley Name: Brian E. Donley Title: Chief Financial Officer and Treasurer

Dated: April 1, 2026

Filing Compare · OFFICE PROPERTIES INCOME TRUST