Table of Contents FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 TEMPEST THERAPEUTICS, INC. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Delaware 2834 45-1472564 (Primary Standard Industrial Code Number) As filed with the Securities and Exchange Commission on December 9, 2025 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 (I.R.S. Employer Identification Number) 2000 Sierr ...