May 6, 2013
VIA ELECTRONIC SUBMISSION
Securities and Exchange Commission
Mail Stop 3561
Division of Corporation Finance
100 F Street, N.E.
Washington, DC 20549
Attention: Karen Ubell
Re: Receptos, Inc.
Registration Statement Filed on Form S-1
Registration No. 333-187737
Ladies and Gentlemen:
In connection with the above-captioned Registration Statement, we wish to advise that between April 26, 2013 and the date hereof 2,502 copies of the Preliminary Prospectus dated April 25, 2013 were distributed as follows: 1,355 to institutional investors and 1,147 to prospective underwriters, dealers, individuals and others.
We have been informed by the participating underwriters that they will comply with the requirements of Rule 15c2-8 under the Securities Exchange Act of 1934, as amended.
We hereby join in the request of the registrant that the effectiveness of the above-captioned Registration Statement, as amended, be accelerated to 5:00 p.m. Eastern Time, on Wednesday, May 8, 2013 or as soon thereafter as practicable.
[signature page follows]
Very truly yours, |
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Credit Suisse Securities (USA) LLC |
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Leerink Swann LLC |
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As representatives of the |
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Several Underwriters |
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By: | Credit Suisse Securities (USA) LLC |
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By: | /s/ Charles W. Newton |
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| Name: | Charles W. Newton |
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| Title: | Managing Director |
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By: | Leerink Swann LLC |
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By: | /s/ Bryan Giraudo |
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| Name: | Bryan Giraudo |
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| Title: | Managing Director |
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[SIGNATURE PAGE TO ACCELERATION REQUEST OF THE UNDERWRITERS]
