REGENERON PHARMACEUTICALS, INC. — Director's Dealing 2012

Jan 23, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: REGENERON PHARMACEUTICALS INC (REGN)
CIK: 0000872589
Period of Report: 2012-01-19

Reporting Person: GOLDBERG MURRAY A (SVP Finance and Admin CFO Trea)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-01-19	Common Stock	M	40800	$20.32	Acquired	130161	Direct
2012-01-19	Common Stock	F	10424	$79.53	Disposed	119737	Direct
2012-01-19	Common Stock	F	13193	$79.53	Disposed	106544	Direct
2012-01-20	Common Stock	S	13567	$77.86	Disposed	92977	Direct
2012-01-20	Common Stock	S	3216	$78.17	Disposed	89761	Direct
2012-01-20	Common Stock	S	400	$79.51	Disposed	89361	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-01-19	Non-Qualified Stock Option (right to buy)	$20.32	M	40800	Disposed	2016-12-18	Common Stock (40800)	Direct
2012-01-19	Non-Qualified Stock Option (right to buy)	$79.53	A	10424	Acquired	2016-12-18	Common Stock (10424)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	5416	Indirect

Footnotes

F1: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).

F2: Represents volume-weighted average price of sales of 13,567 shares of Company stock on January 20, 2012 at prices ranging from $77.51 to $77.99. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on January 20, 2012 at each separate price.

F3: Represents volume-weighted average price of sales of 3,216 shares of Company stock on January 20, 2012 at prices ranging from $78.00 to $78.76. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on January 20, 2012 at each separate price.

F4: Represents volume-weighted average price of sales of 400 shares of Company stock on January 20, 2012 at prices ranging from $79.22 to $79.74. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on January 20, 2012 at each separate price.

F5: The stock option award (combined incentive stock option and non-qualified stock option) vests in four equal annual installments, commencing one year after the date of grant.

F6: Exercisable date, exercise date, exercise price, purchase price, sales price, and/or expiration date is/are not applicable in this case.