REGENERON PHARMACEUTICALS, INC. — Director's Dealing 2011

Sep 12, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: REGENERON PHARMACEUTICALS INC (REGN)
CIK: 0000872589
Period of Report: 2011-09-08

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-09-08	Common Stock	M	26000	$11.64	Acquired	103734	Direct
2011-09-08	Common Stock	F	4168	$72.6	Disposed	99566	Direct
2011-09-08	Common Stock	F	10090	$72.6	Disposed	89476	Direct
2011-09-09	Common Stock	S	3942	$67.19	Disposed	85534	Direct
2011-09-09	Common Stock	S	3400	$68.45	Disposed	82134	Direct
2011-09-09	Common Stock	S	200	$69.08	Disposed	81934	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-09-08	Non-Qualified Stock Option (right to buy)	$11.64	M	26000	Disposed	2015-12-19	Common Stock (26000)	Direct
2011-09-08	Non-Qualified Stock Option (right to buy)	$72.6	A	4168	Acquired	2015-12-19	Common Stock (4168)	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 3,942 shares of Company stock on September 9, 2011 at prices ranging from $67.00 to $67.92 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 trust on September 9, 2011 at each separate price.

F3: Represents volume-weighted average price of sales of 3,400 shares of Company stock on September 9, 2011 at prices ranging from $68.01 to $68.93 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 trust on September 9, 2011 at each separate price

F4: Represents volume-weighted average price of sales of 200 shares of Company stock on September 9, 2011 at prices ranging from $69.04 to $69.11. 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 trust on September 9, 2011 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.