As filed with the Securities and Exchange Commission on August 15, 2025 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Calidi Biotherapeutics, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Approximate date of commencement of proposed sale to the public: As soon as practicable after this Registration Statement is declared ...