SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Powchik Peter

(Last) (First) (Middle)
777 OLD SAW MILL RIVER ROAD

(Street)
TARRYTOWN NY 10591

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
REGENERON PHARMACEUTICALS INC [ REGN ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
SVP Clinical Development & Reg
3. Date of Earliest Transaction (Month/Day/Year)
12/31/2013
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 12/31/2013 M (1) 48,000 A $30.63 73,447 D
Common Stock 12/31/2013 F (1) 5,325 D $276.09 68,122 D
Common Stock 12/31/2013 F (1) 22,007 D $276.09 46,115 D
Common Stock 01/02/2014 S (1) 3,000 D $272.88 (2) 43,115 D
Common Stock 01/02/2014 S (1) 5,602 D $273.77 (3) 37,513 D
Common Stock 01/02/2014 S (1) 3,777 D $274.69 (4) 33,736 D
Common Stock 01/02/2014 S (1) 6,893 D $276.04 (5) 26,843 D
Common Stock 01/02/2014 S (1) 1,296 D $276.75 (6) 25,547 D
Common Stock 01/02/2014 S (1) 100 D $277.5 25,447 D
Common Stock 1,589 I By 401(k) Plan
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Non-Qualified Stock Option (right to buy) $30.63 12/31/2013 M (1) 48,000 (7) 12/14/2020 Common Stock 48,000 $0.0 4,736 D
Explanation of Responses:
1. Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).
2. Represents volume-weighted average price of sales of 3,000 shares of Company stock on January 2, 2014 at prices ranging from $272.20 to $273.11. 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 reporting person on January 2, 2014 at each separate price.
3. Represents volume-weighted average price of sales of 5,602 shares of Company stock on January 2, 2014 at prices ranging from $273.33 to $274.33. 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 January 2, 2014 at each separate price.
4. Represents volume-weighted average price of sales of 3,777 shares of Company stock on January 2, 2014 at prices ranging from $274.35 to $275.24. 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 January 2, 2014 at each separate price.
5. Represents volume-weighted average price of sales of 6,893 shares of Company stock on January 2, 2014 at prices ranging from $275.46 to $276.44. 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 January 2, 2014 at each separate price.
6. Represents volume-weighted average price of sales of 1,296 shares of Company stock on January 2, 2014 at prices ranging from $276.48 to $277.46. 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 January 2, 2014 at each separate price.
7. The option became exercisable with respect to all shares underlying the option on December 31, 2013, based upon the satisfaction by the company of certain performance criteria during the period ended December 31, 2013.
/s/**Peter Powchik 01/03/2014
** Signature of Reporting Person Date
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