<SEC-DOCUMENT>0001104659-17-038718-index.html : 20170612
<SEC-HEADER>0001104659-17-038718.hdr.sgml : 20170612
<ACCEPTANCE-DATETIME>20170612160942
ACCESSION NUMBER:		0001104659-17-038718
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20170612
DATE AS OF CHANGE:		20170612
EFFECTIVENESS DATE:		20170612

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			REGENERON PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0000872589
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				133444607
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-218669
		FILM NUMBER:		17906391

	BUSINESS ADDRESS:	
		STREET 1:		777 OLD SAW MILL RIVER ROAD
		CITY:			TARRYTOWN
		STATE:			NY
		ZIP:			10591
		BUSINESS PHONE:		9143477000

	MAIL ADDRESS:	
		STREET 1:		777 OLD SAW MILL RIVER ROAD
		CITY:			TARRYTOWN
		STATE:			NY
		ZIP:			10591
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>a17-14867_1s8.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: a17-14867_1s8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>a17-14867_1ex5d1.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: a17-14867_1ex5d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>a17-14867_1ex23d1.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: a17-14867_1ex23d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>4
<FILENAME>a17-14867_1ex99d1.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 4 - file: a17-14867_1ex99d1.htm

</DOCUMENT>
</SEC-DOCUMENT>