<SEC-DOCUMENT>0001140361-20-012717-index.html : 20200529
<SEC-HEADER>0001140361-20-012717.hdr.sgml : 20200529
<ACCEPTANCE-DATETIME>20200529161548
ACCESSION NUMBER:		0001140361-20-012717
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20200529
DATE AS OF CHANGE:		20200529

SUBJECT COMPANY:	

	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:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-41938
		FILM NUMBER:		20927971

	BUSINESS ADDRESS:	
		STREET 1:		777 OLD SAW MILL RIVER ROAD
		CITY:			TARRYTOWN
		STATE:			NY
		ZIP:			10591
		BUSINESS PHONE:		9148477000

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

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	REGENERON PHARMACEUTICALS INC
		DATE OF NAME CHANGE:	19930328

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Sanofi
		CENTRAL INDEX KEY:			0001121404
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				133529324
		STATE OF INCORPORATION:			I0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		54 RUE LA BOETIE
		CITY:			PARIS
		STATE:			I0
		ZIP:			75008
		BUSINESS PHONE:		33153774400

	MAIL ADDRESS:	
		STREET 1:		54 RUE LA BOETIE
		CITY:			PARIS
		STATE:			I0
		ZIP:			75008

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SANOFI-AVENTIS
		DATE OF NAME CHANGE:	20040826

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SANOFI SYNTHELABO SA
		DATE OF NAME CHANGE:	20010104
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>formsc13da.htm
<DESCRIPTION>SC 13D/A
<TEXT>
Document 1 - file: formsc13da.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.5
<SEQUENCE>2
<FILENAME>ex99_5.htm
<DESCRIPTION>EXHIBIT 99.5
<TEXT>
Document 2 - file: ex99_5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.6
<SEQUENCE>3
<FILENAME>ex99_6.htm
<DESCRIPTION>EXHIBIT 99.6
<TEXT>
Document 3 - file: ex99_6.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.7
<SEQUENCE>4
<FILENAME>ex99_7.htm
<DESCRIPTION>EXHIBIT 99.7
<TEXT>
Document 4 - file: ex99_7.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.8
<SEQUENCE>5
<FILENAME>ex99_8.htm
<DESCRIPTION>EXHIBIT 99.8
<TEXT>
Document 5 - file: ex99_8.htm

</DOCUMENT>
</SEC-DOCUMENT>