Shuttle Pharmaceuticals (SHPH) - Prospectus

FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 As filed with the Securities and Exchange Commission on February 10, 2026 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SHUTTLE PHARMACEUTICALS HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 2834 82-5089826 (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification No.) 401 ...