<SEC-DOCUMENT>0001127602-15-004350-index.html : 20150204
<SEC-HEADER>0001127602-15-004350.hdr.sgml : 20150204
<ACCEPTANCE-DATETIME>20150204163842
ACCESSION NUMBER:		0001127602-15-004350
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150131
FILED AS OF DATE:		20150204
DATE AS OF CHANGE:		20150204

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARIAD PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0000884731
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				223106987
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		26 LANDSDOWNE ST
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139
		BUSINESS PHONE:		6174940400

	MAIL ADDRESS:	
		STREET 1:		26 LANDSDOWNE
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DENNER ALEXANDER J
		CENTRAL INDEX KEY:			0001361754

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36172
		FILM NUMBER:		15575975

	MAIL ADDRESS:	
		STREET 1:		C/O SARISSA CAPITAL MANAGEMENT LP
		STREET 2:		660 STEAMBOAT ROAD, 3RD FLOOR
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830

	FORMER NAME:	
		FORMER CONFORMED NAME:	Denner Alexander J
		DATE OF NAME CHANGE:	20060504
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>PRIMARY DOCUMENT
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Document 1 - file: form4.html
Document 1 - RAW XML: form4.xml
</DOCUMENT> </SEC-DOCUMENT>