Regeneron Pharmaceuticals, Inc.
REGENERON PHARMACEUTICALS INC (Form: 4, Received: 08/18/2017 17:01:47)
FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

VAGELOS P ROY
2. Issuer Name and Ticker or Trading Symbol

REGENERON PHARMACEUTICALS INC [ REGN ]
5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
Chairman of the Board
(Last)          (First)          (Middle)

777 OLD SAW MILL RIVER ROAD
3. Date of Earliest Transaction (MM/DD/YYYY)

8/16/2017
(Street)

TARRYTOWN, NY 10591
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
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. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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   8/16/2017     G   V 84613   D $0.0   329543   D    
Common Stock   8/16/2017     M    153969   A $21.92   483512   D    
Common Stock   8/16/2017     F    7159   D $471.41   476353   D    
Common Stock   8/16/2017     F    75406   D $471.41   400947   D    
Common Stock   8/16/2017     S    10986   D $470.17   (1) 389961   D    
Common Stock   8/17/2017     S    1305   D $470.0   (2) 388656   D    
Common Stock   8/18/2017     S    2900   D $470.15   (3) 385756   D    
Common Stock   7/3/2017     G   V 422   D $0.0   150285   I   by CLAT  
Common Stock                  2300   I   By 401(k) Plan  
Common Stock                  83652   I   by Spouse as Trustee  
Common Stock                  1203   I   by trust for grandch   (4)

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 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 of Derivative Security: 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)   $21.92   8/16/2017     M         153969      (5) 12/17/2017   Common Stock   153969   $0.0   153969   D    

Explanation of Responses:
(1)  Represents volume-weighted average price of sales of 10,986 shares of Company stock on August 16, 2017 at prices ranging from $470.00 to $470.95. 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 16, 2017 at each separate price.
(2)  Represents volume-weighted average price of sales of 1,305 shares of Company stock on August 17, 2017 at prices ranging from $470.00 to $470.03. 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 17, 2017 at each separate price.
(3)  Represents volume-weighted average price of sales of 2,900 shares of Company stock on August 18, 2017 at prices ranging from $470.00 to $470.54. 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 18, 2017 at each separate price.
(4)  By a trust for the benefit of certain grandchildren of the reporting person, of which the reporting person and/or the spouse of the reporting person is trustee.
(5)  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.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
VAGELOS P ROY
777 OLD SAW MILL RIVER ROAD
TARRYTOWN, NY 10591
X
Chairman of the Board

Signatures
/s/**P. Roy Vagelos 8/18/2017
** Signature of Reporting Person Date


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