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^*

Hasnain Faheem

(Last)

(First)

(Middle)

C/O RECEPTOS, INC.

10835 ROAD TO THE CURE, SUITE 205

(Street)

SAN DIEGO

92121

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
05/08/2013

3. Issuer Name and Ticker or Trading Symbol
Receptos, Inc. [ RCPT ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	President, CEO

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	536,791	D

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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)
Series A Preferred Stock	⁽¹⁾	⁽¹⁾	Common Stock	47,618	$5.25	D
Employee Stock Option (right to buy)	⁽²⁾	04/18/2023	Common Stock	133,333	$8.1	D

Explanation of Responses:

1. The Series A Preferred Stock has no expiration date and is 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, for no additional consideration.

2. The option shall vest as follows: 25% of the shares vest on the one-year anniversary of April 18, 2013 and 1/48th of the shares each month thereafter for the remaining three years.

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney

	/s/ Faheem Hasnain by David Hinkle Power of Attorney	05/08/2013
	** 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.
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 Number.