<SEC-DOCUMENT>0000884731-17-000028-index.html : 20170207
<SEC-HEADER>0000884731-17-000028.hdr.sgml : 20170207
<ACCEPTANCE-DATETIME>20170207165818
ACCESSION NUMBER:		0000884731-17-000028
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20170206
FILED AS OF DATE:		20170207
DATE AS OF CHANGE:		20170207

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:			CLACKSON TIMOTHY P
		CENTRAL INDEX KEY:			0001242992

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36172
		FILM NUMBER:		17579815

	MAIL ADDRESS:	
		STREET 1:		C/O ARIAD PHARMACEUTICALS INC
		STREET 2:		26 LANDSDOWNE STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_148650468268788.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_148650468268788.html

Document 1 - RAW XML: wf-form4_148650468268788.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>april2016clackson001.jpg
<DESCRIPTION>APRIL 2016
<TEXT>
Document 2 - file: april2016clackson001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>3
<FILENAME>april2016clackson.htm
<DESCRIPTION>APRIL 2016
<TEXT>
Document 3 - file: april2016clackson.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>timclackson001.jpg
<DESCRIPTION>CLACKSON POA
<TEXT>
Document 4 - file: timclackson001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>5
<FILENAME>timclackson.htm
<DESCRIPTION>CLACKSON  INACTIVE
<TEXT>
Document 5 - file: timclackson.htm

</DOCUMENT>
</SEC-DOCUMENT>