REGENERON PHARMACEUTICALS, INC. — Director's Dealing 2012

Jan 5, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: REGENERON PHARMACEUTICALS INC (REGN)
CIK: 0000872589
Period of Report: 2012-01-03

Reporting Person: GILMAN ALFRED G (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-12-13	Common Stock	G	11875	—	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-12-16	Class A Stock	$0	G	35125	Disposed		Common Stock (35125)	Direct
2012-01-03	Non-Qualified Stock Option (right to buy)	$57.11	A	15000	Acquired	2022-01-03	Common Stock (15000)	Direct

Footnotes

F1: Class A Stock of Regeneron Pharmaceuticals, Inc. ("Regeneron") converts to Common Stock of Regeneron on a one-to-one basis upon certain events.

F2: Exercisable date, exercise date, exercise price, purchase price, sales price, and/or expiration date is/are not applicable in this case.

F3: The stock option becomes exercisable in three equal annual installments, commencing one year after the date of grant