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Filing Details

Accession Number:: 0001237899-13-000017
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2013-03-07 17:08:26
Reporting Period:: 2013-03-05

Filing Date:: 2013-03-07
Accepted Time:: 2013-03-07 17:08:26
SEC Url:: Form 4 Filing

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
1218629	S Leonard Schleifer	777 Old Saw Mill River Road Tarrytown NY 10591	President & Ceo	Yes	Yes	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Disposition	2012-12-24	59,271	$0.00	242,087	No	5	G	Direct
Common Stock	Disposition	2013-03-05	19,146	$175.21	222,941	No	4	S	Direct
Common Stock	Disposition	2013-03-06	60,803	$175.28	162,138	No	4	S	Direct
Common Stock	Disposition	2013-03-06	8,200	$176.10	153,938	No	4	S	Direct
Common Stock	Disposition	2013-03-07	3,534	$175.13	150,404	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	5	G	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	5,618	Indirect	By 401(k) Plan

Footnotes

Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).
Represents volume-weighted average price of sales of 19,146 shares of Company stock on March 5, 2013 at prices ranging from $175.00 to $175.66. 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 March 5, 2013 at each separate price.
Represents volume-weighted average price of sales of 60,803 shares of Company stock on March 6, 2013 at prices ranging from $175.00 to $175.98. 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 March 6, 2013 at each separate price.
Represents volume-weighted average price of sales of 8,200 shares of Company stock on March 6, 2013 at prices ranging from $176.00 to $176.35. 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 March 6, 2013 at each separate price.
Represents volume-weighted average price of sales of 3,534 shares of Company stock on March 7, 2013 at prices ranging from $175.00 to $175.45. 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 March 7, 2013 at each separate price.