Ownership Submission
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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  LILLY ELI & CO
2. Date of Event Requiring Statement (Month/Day/Year)
05/08/2013
3. Issuer Name and Ticker or Trading Symbol
Receptos, Inc. [RCPT]
(Last)
(First)
(Middle)
LILLY CORPORATE CENTER, 
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
05/08/2013
(Street)

INDIANAPOLIS, IN 46285
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
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 2,081,210
I
by Group (1)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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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 of Derivative Security: 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
Series A Preferred Stock   (2)   (2) Common Stock 1,152,039 $ 5.25 I by Group (1)
Series B Preferred Stock   (2)   (2) Common Stock 672,029 $ 7.73 I by Group (1)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
LILLY ELI & CO
LILLY CORPORATE CENTER
INDIANAPOLIS, IN 46285
    X    
Lilly Ventures Fund I LLC
C/O RECEPTOS, INC.
10835 ROAD TO THE CURE, SUITE 205
SAN DIEGO, CA 92121
    X    
Torres S. Edward
C/O RECEPTOS, INC.
10835 ROAD TO THE CURE, SUITE 205
SAN DIEGO, CA 92121
    X    

Signatures

/s/ Jamie E. Haney, Authorized Person, authorization on file. 11/21/2013
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(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 the Series B Preferred Stock have no expiration date and are convertible at any time at the option of the holder and will convert 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 additonal consideration.
 
Remarks:
This Form is being amended to include Eli Lilly and Company's beneficial ownership of the shares reported in the Forms 3 separately filed by Lilly Ventures Fund I LLC and S. Edward Torres on 5/8/2013.

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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