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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
872589	Regeneron Pharmaceuticals Inc	REGN	Pharmaceutical Preparations (2834)	133444607

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1225473	G Alfred Gilman	777 Old Saw Mill River Road Tarrytown NY 10591		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2012-08-07	15,000	$15.80	15,000	No	4	M	Direct
Common Stock	Disposition	2012-08-07	15,000	$139.56	0	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Non-Qualified Stock Option (right to buy)	Disposition	2012-08-07	15,000	$0.00	15,000	$15.80

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0		2016-01-03	No	4	M	Direct

Footnotes

Represents volume-weighted average price of sales of 15,000 shares of Company stock on August 7, 2012 at prices ranging from $139.20 to $139.69. 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 7, 2012 at each separate price.
The stock option becomes exercisable in three equal annual installments, commencing one year after the date of grant
Exercisable date, exercise date, exercise price, purchase price, sales price, and/or expiration date is/are not applicable in this case.