As filed with the Securities and Exchange Commission on July 15, 2025. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 to FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Carlsmed, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 3841 (Primary Standard Industrial Classification Code Number) 83-1081863 (I.R.S. Employer Identification No.) Carlsmed, Inc. 1800 Aston Ave, Su ...

As filed with the Securities and Exchange Commission on June 26, 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 Carlsmed, Inc. (Exact name of registrant as specified in its charter) 3841 83-1081863 (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification No.) Carlsmed, Inc. 1800 Aston Ave, Suite 100 Carlsbad, California 92008 (760) 766-1923 (Address, including ...