SEC FORM 3 SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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1. Name and Address of Reporting Person*
McCorkle Douglas S

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

(Street)
TARRYTOWN NY 10591

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
06/08/2007
3. Issuer Name and Ticker or Trading Symbol
REGENERON PHARMACEUTICALS INC [ REGN ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
VP, Controller and Asst. Treas
5. 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 Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock 2,732 I By 401(k) Plan
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Incentive Stock Option (right to buy) (1) 01/05/2011 Common Stock 1,249 8.5 D
Incentive Stock Option (right to buy) (1) 12/18/2011 Common Stock 2,238 8.5 D
Incentive Stock Option (right to buy) (1) 12/20/2012 Common Stock 1,422 8.5 D
Incentive Stock Option (right to buy) (2) 12/15/2014 Common Stock 5,625 9.49 D
Incentive Stock Option (right to buy) (1) 12/19/2015 Common Stock 8,000 11.64 D
Incentive Stock Option (right to buy) (2) 12/15/2013 Common Stock 4,000 13 D
Incentive Stock Option (right to buy) (2) 12/18/2016 Common Stock 11,162 20.32 D
Non-Qualified Stock Option (right to buy) (1) 12/18/2011 Common Stock 386 8.5 D
Non-Qualified Stock Option (right to buy) (1) 12/20/2012 Common Stock 2,077 8.5 D
Non-Qualified Stock Option (right to buy) (2) 12/15/2014 Common Stock 1,875 9.49 D
Non-Qualified Stock Option (right to buy) (2) 12/15/2013 Common Stock 4,000 13 D
Non-Qualified Stock Option (right to buy) (2) 12/18/2016 Common Stock 8,838 20.32 D
Explanation of Responses:
1. The stock option award vests in four equal annual installments, commencing one year after the date of grant.
2. The stock option award (combined incentive stock option and non-qualified stock option) vests in four equal annual installments, commencing one year after the date of grant.
/s/**Douglas S. McCorkle 06/12/2007
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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