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 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * SHOOTER ERIC M   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 _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 777 OLD SAW MILL RIVER ROAD 3. Date of Earliest Transaction (Month/Day/Year) 11/26/2013 (Street) TARRYTOWN, NY 10591 4. If Amendment, Date 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 (City) (State) (Zip) 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 11/26/2013   C   8,185 A $ 0 8,185 I by Trust (1) Common Stock 11/26/2013   G(2) V 7,275 D $ 0 910 I by Trust (1) Common Stock 11/26/2013   G(2) V 910 D $ 0 0 I by Trust (1) Common Stock               2,500 I GRAT self Common Stock               2,500 I GRAT spouse

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

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 Underlying Securities (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
Class A Stock	(3)	06/06/2013		G(4)			2,778 (5)	(6)	(7)	Common Stock	2,778	$ 0	0	D
Class A Stock	$ 0 (3)	08/08/2013		G			4,857 (8)	(6)	(7)	Common Stock	4,857	$ 0	2,643	I	GRAT self
Class A Stock	$ 0 (3)	08/08/2013		G			4,857 (8)	(6)	(7)	Common Stock	4,857	$ 0	2,643	I	GRAT spouse
Class A Stock	(3)	06/06/2013		G(9)			2,778 (5)	(6)	(7)	Common Stock	2,778	$ 0	0	I	by Spouse
Class A Stock	(3)	06/06/2013		G		5,556 (5)		(6)	(7)	Common Stock	5,556	$ 0	5,556	I	by Trust (1)
Class A Stock	(3)	08/08/2013		G		9,714 (8)		(6)	(7)	Common Stock	9,714	$ 0	15,270	I	by Trust (1)
Class A Stock	(3)	11/26/2013		C			8,185	(6)	(7)	Common Stock	8,185	$ 0	7,085	I	by Trust (1)
Class A Stock	(3)	06/06/2013		G(9)		14,444 (4)		(6)	(7)	Common Stock	14,444	$ 0	14,444	I	by trust for daughte (10)

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
SHOOTER ERIC M 777 OLD SAW MILL RIVER ROAD TARRYTOWN, NY 10591	X

Signatures

/s/**Eric M. Shooter		11/28/2013
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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).
(1)	The reporting person and his spouse are co-trustees and beneficiaries of the Shooter Family Trust.
(2)	Gift of Common Stock to a charitable foundation.
(3)	Class A Stock of Regeneron Pharmaceuticals, Inc. ("Regeneron") converts to Common Stock of Regeneron on a one-to-one basis upon certain events or upon election of the shareholder.
(4)	Following termination of a GRAT of the reporting person, 2,778 shares of Class A Stock were transferred to the Shooter Family Trust and 7,222 shares of Class A Stock were transferred to a trust for the benefit of the reporting person's daughter, as indicated in this report.
(5)	The reporting person and his spouse each contributed 2,778 shares of Class A Stock to the Shooter Family Trust.
(6)	Exercisable date, exercise date, exercise price, purchase price, sales price, and/or expiration date is/are not applicable in this case.
(7)	Shares of Class A Stock are convertible at any time on a share-for-share basis into Common Stock.
(8)	The reporting person and his spouse each contributed 4,857 shares of Class A Stock received as distribution from their respective GRATs to the Shooter Family Trust.
(9)	Following termination of a GRAT of the reporting person's spouse, 2,778 shares of Class A Stock were transferred to the Shooter Family Trust and 7,222 shares of Class A Stock were transferred to a trust for the benefit of the reporting person's daughter, as indicated in this report.
(10)	A trust for the benefit of the reporting person's adult daughter, of which the reporting person and his spouse serve as co-trustees.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.