SeaStar Medical(ICU) - Prospectus

As filed with the Securities and Exchange Commission on August 8, 2025 Registration No. 333- (State or Other Jurisdiction of Incorporation or Organization) Delaware 3841 85-3681132 (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification No. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SeaStar Medical Holding Corporation (Exact Name of Registrant as Specified in Its Charter) 3513 Brigh ...