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Filing Details

Accession Number:: 0001237899-12-000024
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2012-02-15 16:52:25
Reporting Period:: 2012-02-13

Filing Date:: 2012-02-15
Accepted Time:: 2012-02-15 16:52:25
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
1226689	Neil Stahl	777 Old Saw Mill River Road Tarrytown NY 10591	Svp Research And Development S	No	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2012-02-13	63,234	$8.50	122,355	No	4	M	Direct
Common Stock	Disposition	2012-02-13	4,741	$113.35	117,614	No	4	F	Direct
Common Stock	Disposition	2012-02-13	28,869	$113.35	88,745	No	4	F	Direct
Common Stock	Acquisiton	2012-02-13	3,432	$8.50	92,177	No	4	M	Direct
Common Stock	Disposition	2012-02-13	257	$113.35	91,920	No	4	F	Direct
Common Stock	Disposition	2012-02-13	1,597	$113.35	90,323	No	4	F	Direct
Common Stock	Acquisiton	2012-02-14	50,000	$16.80	140,323	No	4	M	Direct
Common Stock	Disposition	2012-02-14	7,566	$111.01	132,757	No	4	F	Direct
Common Stock	Disposition	2012-02-14	21,352	$111.01	111,405	No	4	F	Direct
Common Stock	Disposition	2012-02-14	333	$107.83	111,072	No	4	S	Direct
Common Stock	Disposition	2012-02-14	2,350	$108.60	108,722	No	4	S	Direct
Common Stock	Disposition	2012-02-14	8,510	$109.61	100,212	No	4	S	Direct
Common Stock	Disposition	2012-02-14	17,694	$110.35	82,518	No	4	S	Direct
Common Stock	Disposition	2012-02-14	600	$111.91	81,918	No	4	S	Direct
Common Stock	Disposition	2012-02-14	1,115	$112.10	80,803	No	4	S	Direct
Common Stock	Disposition	2012-02-14	600	$113.47	80,203	No	4	S	Direct
Common Stock	Disposition	2012-02-15	19,057	$107.79	61,146	No	4	S	Direct
Common Stock	Disposition	2012-02-15	2,025	$108.09	59,121	No	4	S	Direct

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

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Non-Qualified Stock Option (right to buy)	Disposition	2012-02-13	63,234	$0.00	63,234	$8.50
Common Stock	Non-Qualified Stock Option (right to buy)	Disposition	2012-02-13	3,432	$0.00	3,432	$8.50
Common Stock	Non-Qualified Stock Option (right to buy)	Disposition	2012-02-14	50,000	$0.00	50,000	$16.80

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
3,432	2012-02-10	2012-12-20	No	4	M	Direct
0	2012-02-10	2012-12-20	No	4	M	Direct
69,048	2011-12-31	2018-12-17	No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	5,335	Indirect	By 401(k) Plan

Footnotes

Represents volume-weighted average price of sales of 333 shares of Company stock on February 14, 2012 at prices ranging from $107.62 to $107.96.. 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 February 14, 2012 at each separate price.
Represents volume-weighted average price of sales of 2,350 shares of Company stock on February 14, 2012 at prices ranging from $108.03 to $108.99. 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 February 14, 2012 at each separate price.
Represents volume-weighted average price of sales of 8,510 shares of Company stock on February 14, 2012 at prices ranging from $109.02 to $109.98.. 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 February 14, 2012 at each separate price.
Represents volume-weighted average price of sales of 17,694 shares of Company stock on February 14, 2012 at prices ranging from $110.00 to $110.77. 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 February 14, 2012 at each separate price.
Represents volume-weighted average price of sales of 600 shares of Company stock on February 14, 2012 at prices ranging from $111.79 to $111.98. 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 February 14, 2012 at each separate price.
Represents volume-weighted average price of sales of 1,115 shares of Company stock on February 14, 2012 at prices ranging from $112.00 to $112.17. 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 February 14, 2012 at each separate price.
Represents volume-weighted average price of sales of 600 shares of Company stock on February 14, 2012 at prices ranging from $113.25 to $113.47. 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 February 14, 2012 at each separate price.
Represents volume-weighted average price of sales of 19,057 shares of Company stock on February 15, 2012 at prices ranging from $107.60 to $107.98 . 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 February 15, 2012 at each separate price.
Represents volume-weighted average price of sales of 2,025 shares of Company stock on February 15, 2012 at prices ranging from $108.00 to $108.09 . 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 February 15, 2012 at each separate price.
The option became exercisable with respect to all shares underlying the option upon the satisfaction by the company of certain performance criteria on February 10, 2012.
Exercisable date, exercise date, exercise price, purchase price, sales price, and/or expiration date is/are not applicable in this case.
The option became exercisable with respect to all shares underlying the option on December 31, 2011, based upon the satisfaction by the company of certain performance criteria during the period ended December 31, 2011.