REGENERON PHARMACEUTICALS, INC. — Director's Dealing 2012

Aug 14, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: REGENERON PHARMACEUTICALS INC (REGN)
CIK: 0000872589
Period of Report: 2012-08-10

Reporting Person: RYAN ARTHUR F (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-08-10	Common Stock	S	10000.0	$136.15	Disposed	57355.0	Direct

Footnotes

F1: Represents volume-weighted average price of sales of 10,000 shares of Company stock on August 10, 2012 at prices ranging from $136.06 to $136.48. 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 August 10, 2012 at each separate price.