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	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	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* LILLY ELI & CO (Last) (First) (Middle) LILLY CORPORATE CENTER (Street) INDIANAPOLIS IN 46285 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Receptos, Inc. [ RCPT ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 05/14/2013
	4. If Amendment, Date of Original Filed (Month/Day/Year) 05/14/2013	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X 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	05/14/2013		C		1,152,039	A	$5.25	1,266,324	I	by Group(1)
Common Stock	05/14/2013		C		672,029	A	$7.73	1,938,353	I	by Group(1)
Common Stock	05/14/2013		P		142,857	A	$14	2,081,210	I	by Group(1)

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
Series A Preferred Stock	$5.25	05/14/2013		C(2)			$8,640,289	(2)	(2)	Common Stock	1,152,039	$0	0	I	by Group(1)
Series B Preferred Stock	$7.73	05/14/2013		C(2)			$5,040,221	(2)	(2)	Common Stock	672,029	$0	0	I	by Group(1)

1. Name and Address of Reporting Person* LILLY ELI & CO (Last) (First) (Middle) LILLY CORPORATE CENTER (Street) INDIANAPOLIS IN 46285 (City) (State) (Zip)

1. Name and Address of Reporting Person* Lilly Ventures Fund I LLC (Last) (First) (Middle) C/O RECEPTOS, INC. 10835 ROAD TO THE CURE, SUITE 205 (Street) SAN DIEGO CA 92121 (City) (State) (Zip)

1. Name and Address of Reporting Person* Torres S. Edward (Last) (First) (Middle) C/O RECEPTOS, INC. 10835 ROAD TO THE CURE, SUITE 205 (Street) SAN DIEGO CA 92121 (City) (State) (Zip)

Explanation of Responses:

1. These shares are owned directly by Lilly Ventures Fund I LLC (the "Fund"). Eli Lilly and Company, as sole Managing Member of the Fund, and pursuant to provisions of the LLC Agreement of the Fund, has voting authority with respect to shares owned by the Fund. S. Edward Torres, is a non-managing member of the Fund and may be deemed to beneficially own the shares. Mr. Torres disclaims beneficial ownership of the shares held of record by the Fund, except to the extent of his pecuniary interest therein. The attached Exhibit 99.1 lists details for each 10% and beneficial owner.

2. The Series A preferred stock and Series B preferred stock converted upon the closing of the Issuer's initial public offering at a conversion ratio of 1 share of common stock for every 7.5 shares of Series A preferred stock and Series B preferred stock, for no additional consideration.

Remarks:

This Form is being amended to include Eli Lilly and Company's beneficial ownership of the shares reported in the Forms 4 separately filed by Lilly Ventures Fund I LLC and S. Edward Torres on 5/14/2013.

	/s/ Jamie E. Haney, Authorized Person, authorization on file	11/21/2013
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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