<SEC-DOCUMENT>0001047469-20-003238-index.html : 20200528
<SEC-HEADER>0001047469-20-003238.hdr.sgml : 20200528
<ACCEPTANCE-DATETIME>20200528155020
ACCESSION NUMBER:		0001047469-20-003238
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20200528
DATE AS OF CHANGE:		20200528

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:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-228352
		FILM NUMBER:		20920947

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>a2241715z424b3.htm
<DESCRIPTION>424B3
<TEXT>
Document 1 - file: a2241715z424b3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g244723.jpg
<DESCRIPTION>G244723.JPG
<TEXT>
Document 2 - file: g244723.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g369714.jpg
<DESCRIPTION>G369714.JPG
<TEXT>
Document 3 - file: g369714.jpg

</DOCUMENT>
</SEC-DOCUMENT>