<SEC-DOCUMENT>0001104659-23-070047-index.html : 20230609
<SEC-HEADER>0001104659-23-070047.hdr.sgml : 20230609
<ACCEPTANCE-DATETIME>20230609181240
ACCESSION NUMBER:		0001104659-23-070047
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230607
FILED AS OF DATE:		20230609
DATE AS OF CHANGE:		20230609

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PORTNOY ADAM D.
		CENTRAL INDEX KEY:			0001273871

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15319
		FILM NUMBER:		231006650

	MAIL ADDRESS:	
		STREET 1:		C/O THE RMR GROUP LLC
		STREET 2:		TWO NEWTON PL., 255 WASH. ST., STE. 300
		CITY:			NEWTON
		STATE:			MA
		ZIP:			02458

	FORMER NAME:	
		FORMER CONFORMED NAME:	PORTNOY ADAM D
		DATE OF NAME CHANGE:	20160607

	FORMER NAME:	
		FORMER CONFORMED NAME:	PORTNOY ADAM
		DATE OF NAME CHANGE:	20031218

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DIVERSIFIED HEALTHCARE TRUST
		CENTRAL INDEX KEY:			0001075415
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				043445278
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		C/O THE RMR GROUP
		STREET 2:		TWO NEWTON PL., 255 WASH. ST., STE. 300
		CITY:			NEWTON
		STATE:			MA
		ZIP:			02458
		BUSINESS PHONE:		(617) 796-8350

	MAIL ADDRESS:	
		STREET 1:		C/O THE RMR GROUP
		STREET 2:		TWO NEWTON PL., 255 WASH. ST., STE. 300
		CITY:			NEWTON
		STATE:			MA
		ZIP:			02458

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SENIOR HOUSING PROPERTIES TRUST
		DATE OF NAME CHANGE:	19981217
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>tm2318352d1_4seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
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Document 1 - file: tm2318352d1_4seq1.html

Document 1 - RAW XML: tm2318352d1_4seq1.xml

</DOCUMENT>
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