TRMT Tremont Mortgage Trust

FORM 4 [X] 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 OF SECURITIES                                                                                   
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940                       

1. Name and Address of Reporting Person * PORTNOY ADAM D.	2. Issuer Name and Ticker or Trading Symbol Tremont Mortgage Trust [ NASDAQTRMT ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director                    __X__ 10% Owner _____ Officer (give title below)    _____ Other (specify below)
(Last)          (First)          (Middle) C/O THE RMR GROUP LLC, TWO NEWTON PL., 255 WASH. ST., STE. 300	3. Date of Earliest Transaction (MM/DD/YYYY) 9/30/2021
(Street) NEWTON, MA 02458 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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	9/30/2021		D		13500	D	$0 (1)	0	D
Common Shares of Beneficial Interest	9/30/2021		D		1600100	D	$0 (2)	0	I	See Footnote (3)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		7. Title and Amount of Securities Underlying Derivative Security (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

Explanation of Responses:
(1)	Disposed of pursuant to that certain Agreement and Plan of Merger (the "Merger Agreement"), dated as of April 26, 2021, by and between Seven Hills Realty Trust ("SEVN") (f/k/a RMR Mortgage Trust) and the Issuer, in exchange for 6,966 SEVN common shares of beneficial interest having a market value of $10.31 per share on the effective date of the merger of the Issuer with and into SEVN (the "Merger"), based on the closing price of SEVN's common shares of beneficial interest on such effective date.
(2)	Disposed of pursuant to the Merger Agreement in exchange for 825,651 SEVN common shares of beneficial interest having a market value of $10.31 per share on the effective date of the Merger, based on the closing price of SEVN's common shares of beneficial interest on such effective date, plus cash in lieu of fractional shares.
(3)	These shares were held by Tremont Realty Capital LLC ("TRC"). TRC is a direct wholly owned subsidiary of The RMR Group LLC ("RMR LLC"), which is a direct majority owned subsidiary of The RMR Group Inc. ("RMR Inc."), of which Mr. Portnoy is a managing director and controlling shareholder through ABP Trust. Mr. Portnoy is a holder of shares of beneficial interest in, and the sole trustee of, ABP Trust. Mr. Portnoy is also a beneficial owner and a director of TRC. ABP Trust, RMR Inc., RMR LLC and Mr. Portnoy may have been deemed to beneficially own the shares owned directly by TRC. Mr. Portnoy disclaimed beneficial ownership of the shares owned by TRC except to the extent of his pecuniary interest therein.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
PORTNOY ADAM D. C/O THE RMR GROUP LLC TWO NEWTON PL., 255 WASH. ST., STE. 300 NEWTON, MA 02458	X	X

Signatures
/s/ Adam D. Portnoy		10/4/2021
**Signature of Reporting Person		Date