<SEC-DOCUMENT>0001104659-18-032976-index.html : 20180514
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<ACCEPTANCE-DATETIME>20180514164943
ACCESSION NUMBER:		0001104659-18-032976
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		17
FILED AS OF DATE:		20180514
DATE AS OF CHANGE:		20180514
EFFECTIVENESS DATE:		20180514

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SENIOR HOUSING PROPERTIES 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:		18831436

	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
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Document 1 - file: a18-13480_2defa14a.htm

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Document 2 - file: g134771mmi001.gif

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Document 3 - file: g134771mmi002.gif

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Document 4 - file: g134771mmi003.gif

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Document 5 - file: g134771mmi004.gif

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Document 6 - file: g134771mmi005.gif

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Document 7 - file: g134771mmi006.gif

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Document 8 - file: g134771mmi007.gif

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Document 9 - file: g134771mmi008.gif

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Document 10 - file: g134771mmi009.gif

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Document 11 - file: g134771mmi010.gif

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Document 12 - file: g134771mmi011.gif

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Document 13 - file: g134771mmi012.gif

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Document 14 - file: g134771mmi013.gif

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Document 15 - file: g134771mmi014.gif

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Document 16 - file: g134771mmi015.gif

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Document 17 - file: g134771mmi016.gif

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