FORM 4
☐ 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

DIVERSIFIED HEALTHCARE TRUST [ NASDAQ:DHC ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__X__ Director                    _____ 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)

5/30/2023
(Street)

NEWTON, MA 02458		 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
(City)        (State)        (Zip)
Rule 10b5-1(c) Transaction Indication
☐ Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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         194373.55 D  
Common Shares of Beneficial Interest 5/30/2023  P  635253 A$1.2141 (1)3185272 I See Footnote (4)
Common Shares of Beneficial Interest 5/31/2023  P  1065000 A$1.3485 (2)4250272 I See Footnote (4)
Common Shares of Beneficial Interest 6/1/2023  P  1454388 A$1.4686 (3)5704660 I See Footnote (4)

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 Security3. Trans. Date3A. Deemed Execution Date, if any4. 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 Date7. 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
(1) The reported price is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $1.165 to $1.27 per share. Mr. Portnoy, as the sole trustee, an officer and the controlling shareholder of ABP Trust, undertakes to provide to Diversified Healthcare Trust (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
(2) The reported price is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $1.275 to $1.41 per share. Mr. Portnoy, as the sole trustee, an officer and the controlling shareholder of ABP Trust, undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
(3) The reported price is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $1.39 to $1.50 per share. Mr. Portnoy, as the sole trustee, an officer and the controlling shareholder of ABP Trust, undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
(4) These shares are held by ABP Trust; Mr. Portnoy, as the sole trustee, an officer and the controlling shareholder of ABP Trust, may be deemed to be a beneficial owner of these shares, but Mr. Portnoy disclaims such beneficial ownership except to the extent of his pecuniary interest therein.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
PORTNOY ADAM D.
C/O THE RMR GROUP LLC
TWO NEWTON PL., 255 WASH. ST., STE. 300
NEWTON, MA 02458		X
Signatures
/s/ Adam D. Portnoy6/1/2023
**Signature of Reporting PersonDate
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).
Note:File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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