<SEC-DOCUMENT>0001104659-16-114231-index.html : 20160426
<SEC-HEADER>0001104659-16-114231.hdr.sgml : 20160426
<ACCEPTANCE-DATETIME>20160426162538
ACCESSION NUMBER:		0001104659-16-114231
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		27
FILED AS OF DATE:		20160426
DATE AS OF CHANGE:		20160426
EFFECTIVENESS DATE:		20160426

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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19034
		FILM NUMBER:		161592274

	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>DEFA14A
<SEQUENCE>1
<FILENAME>a16-2385_4defa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: a16-2385_4defa14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g23854bci001.gif <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g23854bci001.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g23854bci002.gif <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g23854bci002.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g23854bci003.gif <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g23854bci003.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g23854bci004.gif <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g23854bci004.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g23854bci005.gif <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g23854bci005.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g23854bci006.gif <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g23854bci006.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g23854bci007.gif <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g23854bci007.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g23854bci008.gif <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g23854bci008.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g23854bci009.gif <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g23854bci009.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g23854bci010.gif <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g23854bci010.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g23854bci011.gif <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g23854bci011.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>g23854bci012.gif <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: g23854bci012.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>g23854bci013.gif <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: g23854bci013.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>g23854bci014.gif <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: g23854bci014.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>g23854bci015.gif <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: g23854bci015.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>g23854bci016.gif <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: g23854bci016.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>g23854bci017.gif <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: g23854bci017.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>g23854bci018.gif <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: g23854bci018.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>g23854bci019.gif <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: g23854bci019.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>g23854bci020.gif <DESCRIPTION>GRAPHIC <TEXT> Document 21 - file: g23854bci020.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>g23854bci021.gif <DESCRIPTION>GRAPHIC <TEXT> Document 22 - file: g23854bci021.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>g23854bci022.gif <DESCRIPTION>GRAPHIC <TEXT> Document 23 - file: g23854bci022.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>g23854bci023.gif <DESCRIPTION>GRAPHIC <TEXT> Document 24 - file: g23854bci023.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>g23854bci024.gif <DESCRIPTION>GRAPHIC <TEXT> Document 25 - file: g23854bci024.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>26 <FILENAME>g23854bci025.gif <DESCRIPTION>GRAPHIC <TEXT> Document 26 - file: g23854bci025.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>27 <FILENAME>g23854bci026.gif <DESCRIPTION>GRAPHIC <TEXT> Document 27 - file: g23854bci026.gif
</DOCUMENT> </SEC-DOCUMENT>