Table of Contents As filed with the Securities and Exchange Commission on September 8, 2025 Registration No. 333- FORM S-1 REGISTRATION STATEMENT Under The Securities Act of 1933 IMAGENEBIO, INC. (Exact name of Registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Delaware 2836 81-1697316 (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification Number) 12526 High Bluff Drive, Suite 345 San Diego, CA 92130 (858) 345-6265 UNITED ...