<SEC-DOCUMENT>0001104659-20-000443-index.html : 20200102
<SEC-HEADER>0001104659-20-000443.hdr.sgml : 20200102
<ACCEPTANCE-DATETIME>20200102173026
ACCESSION NUMBER:		0001104659-20-000443
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200102
DATE AS OF CHANGE:		20200102

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIVE STAR SENIOR LIVING INC.
		CENTRAL INDEX KEY:			0001159281
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-SKILLED NURSING CARE FACILITIES [8051]
		IRS NUMBER:				043516029
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-62369
		FILM NUMBER:		20502474

	BUSINESS ADDRESS:	
		STREET 1:		400 CENTRE STREET
		CITY:			NEWTON
		STATE:			MA
		ZIP:			02458
		BUSINESS PHONE:		(617) 796 8387

	MAIL ADDRESS:	
		STREET 1:		400 CENTRE STREET
		CITY:			NEWTON
		STATE:			MA
		ZIP:			02458

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIVE STAR QUALITY CARE, INC.
		DATE OF NAME CHANGE:	20161006

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIVE STAR QUALITY CARE INC
		DATE OF NAME CHANGE:	20010918

FILED BY:		

	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:		SC 13D/A

	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>SC 13D/A
<SEQUENCE>1
<FILENAME>a19-28387_2sc13da.htm
<DESCRIPTION>SC 13D/A
<TEXT>
Document 1 - file: a19-28387_2sc13da.htm

</DOCUMENT>
</SEC-DOCUMENT>