Sec Form 3 Filing - REDWOOD CAPITAL MANAGEMENT, LLC @ OFFICE PROPERTIES INCOME TRUST - 2026-06-17

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person REDWOOD CAPITAL MANAGEMENT, LLC 2. Issuer Name and Ticker or Trading Symbol OFFICE PROPERTIES INCOME TRUST [ OPI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 250 WEST 55TH STREET, 26TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 06/17/2026 (Street) NEW YORK, NY10019 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Shares of Beneficial Interest 4,324,000 I See footnotes ( 1 ) ( 2 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other REDWOOD CAPITAL MANAGEMENT, LLC 250 WEST 55TH STREET 26TH FLOOR NEW YORK, NY10019 X Redwood Capital Management Holdings, LP 250 WEST 55TH STREET 26TH FLOOR NEW YORK, NY10019 X Double Twins K, LLC 250 WEST 55TH STREET 26TH FLOOR NEW YORK, NY10019 X KLIKSBERG RUBEN C/O REDWOOD CAPITAL MANAGEMENT, LLC 250 WEST 55TH STREET, 26TH FLOOR NEW YORK, NY10019 X Signatures Redwood Capital Management, LLC, By :/s/ Redwood Capital Management Holdings, LP, its sole member, By: Double Twins K, LLC, its general partner, By: /s/ Ruben Kliksberg, its Managing Member 06/26/2026 Signature of Reporting Person Date Redwood Capital Management Holdings, LP, By: Double Twins K, LLC, its general partner, By: /s/ Ruben Kliksberg, its Managing Member 06/26/2026 Signature of Reporting Person Date Double Twins K, LLC, By: /s/ Ruben Kliksberg, its Managing Member 06/26/2026 Signature of Reporting Person Date /s/ Ruben Kliksberg 06/26/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )This Form 3 is being filed jointly by Redwood Capital Management, LLC, a Delaware limited liability company ("Redwood Capital Management"), Redwood Capital Management Holdings, LP, a Delaware limited partnership ("Redwood Capital Management Holdings"), Double Twins K, LLC, a Delaware limited liability company ("Double Twins K"), and Ruben Kliksberg, a citizen of the United States of America (collectively, the "Reporting Persons"), each of whom may be deemed to have a pecuniary interest in securities reported on this Form 3 (the "Subject Securities"). The business address of each Reporting Person is 250 West 55th St., 26th Floor, New York, NY 10019. ( 2 )The Subject Securities are directly held by certain funds (the "Redwood Funds") to which Redwood Capital Management serves as the investment manager. Each of (a) Redwood Capital Management, as the investment manager to the Redwood Funds with respect to the Subject Securities directly held by the Redwood Funds, (b) Redwood Capital Management Holdings, as the sole member of Redwood Capital Management, (c) Double Twins K, as the general partner of Redwood Capital Management Holdings, and (d) Mr. Kliksberg, as the managing member of Double Twins K, may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended. Each Reporting Person disclaims any beneficial ownership of the Subject Securities, except to the extent of any pecuniary interest therein.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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