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    CONFORMED PERIOD OF REPORT:	20190521
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    EFFECTIVENESS DATE:		20190408

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    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SENIOR HOUSING PROPERTIES TRUST
    		CENTRAL INDEX KEY:			0001075415
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
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    		SEC ACT:		1934 Act
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    		STREET 2:		TWO NEWTON PL., 255 WASH. ST., STE. 300
    		CITY:			NEWTON
    		STATE:			MA
    		ZIP:			02458
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    		STREET 2:		TWO NEWTON PL., 255 WASH. ST., STE. 300
    		CITY:			NEWTON
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