<SEC-HEADER>0001179110-17-005295.hdr.sgml : 20170331
<ACCEPTANCE-DATETIME>20170331144142
ACCESSION NUMBER:		0001179110-17-005295
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20170328
FILED AS OF DATE:		20170331
DATE AS OF CHANGE:		20170331

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MEDICINES CO /DE
		CENTRAL INDEX KEY:			0001113481
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				043324394
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		8 SYLVAN WAY
		CITY:			PARSIPPANY
		STATE:			NJ
		ZIP:			07054
		BUSINESS PHONE:		973-290-6000

	MAIL ADDRESS:	
		STREET 1:		8 SYLVAN WAY
		CITY:			PARSIPPANY
		STATE:			NJ
		ZIP:			07054

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MEDICINES CO/ MA
		DATE OF NAME CHANGE:	20000504

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Panayiotopoulos Paris
		CENTRAL INDEX KEY:			0001662996

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-31191
		FILM NUMBER:		17729811

	MAIL ADDRESS:	
		STREET 1:		ARIAD PHARMACEUTICALS, INC.
		STREET 2:		26 LANDSDOWNE STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139
</SEC-HEADER>