<SEC-DOCUMENT>0001104659-20-059633-index.html : 20200511
<SEC-HEADER>0001104659-20-059633.hdr.sgml : 20200511
<ACCEPTANCE-DATETIME>20200511170712
ACCESSION NUMBER:		0001104659-20-059633
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20200511
DATE AS OF CHANGE:		20200511
EFFECTIVENESS DATE:		20200511

FILER:

	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

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15319
		FILM NUMBER:		20865926

	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>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>a20-19295_1defa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: a20-19295_1defa14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g192951bci001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g192951bci001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g192951bci002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g192951bci002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g192951bci003.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g192951bci003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g192951bai001.gif <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g192951bai001.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g192951bai002.gif <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g192951bai002.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g192951bai003.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g192951bai003.jpg
</DOCUMENT> </SEC-DOCUMENT>