<SEC-DOCUMENT>0000884731-17-000047-index.html : 20170216
<SEC-HEADER>0000884731-17-000047.hdr.sgml : 20170216
<ACCEPTANCE-DATETIME>20170216141415
ACCESSION NUMBER:		0000884731-17-000047
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170216
FILED AS OF DATE:		20170216
DATE AS OF CHANGE:		20170216

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:		125 BINNEY STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142
		BUSINESS PHONE:		6174940400

	MAIL ADDRESS:	
		STREET 1:		125 BINNEY STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142

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:		17617349

	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>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_148727244138246.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_148727244138246.html

Document 1 - RAW XML: wf-form4_148727244138246.xml

</DOCUMENT>
</SEC-DOCUMENT>