Longboard Pharmaceuticals, Inc.

4275 Executive Square, Suite 950

La Jolla, California 92037

October 5, 2022


Division of Corporation Finance

U.S. Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

Attn: Jimmy McNamara


RE: Longboard Pharmaceuticals, Inc.

Registration Statement on Form S-3

Filed September 30, 2022

File No. 333-267674

Ladies and Gentlemen:

Pursuant to Rule 461 under the Securities Act of 1933, as amended, the undersigned registrant hereby requests that the Securities and Exchange Commission take appropriate action to cause the above-referenced Registration Statement on Form S-3 to become effective at 4:30 p.m. Eastern Time on October 11, 2022, or as soon thereafter as is practicable.

Thank you for your assistance. If you should have any questions, please contact Alexa Ekman of Cooley LLP, counsel to the registrant, at (858) 550-6183.





/s/ Brandi L. Roberts

  Brandi L. Roberts
  Chief Financial Officer