| UNITED STATES | |
| SECURITIES AND EXCHANGE COMMISSION | |
| Washington, D.C. 20549 | |
| Notice of Effectiveness | |
| Effectiveness Date: | May 11, 2026 4:30 P.M. |
| Form: | S-1 | ||||||
| |||||||
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4 - SeaStar Medical Holding Corp (0001831868) (Issuer)
4 - SeaStar Medical Holding Corp (0001831868) (Issuer)
4 - SeaStar Medical Holding Corp (0001831868) (Issuer)
Added 7 top-rated children's hospitals to QUELIMMUNE® pediatric acute kidney injury (AKI) customer base, increasing first quarter revenue 69% versus first quarter 2025 revenue Advanced enrollment in the NEUTRALIZE-AKI pivotal clinical trial in adult patients with AKI Initiated efforts for the submission of a modular post-marketing application (PMA) Webcast today at 4:30 pm Eastern Time DENVER, May 13, 2026 (GLOBE NEWSWIRE) -- SeaStar Medical Holding Corporation (NASDAQ:ICU), a commercial-stage healthcare company focused on transforming treatments for critically ill patients facing organ failure and potential loss of life announced today financial results for the three months ended Marc
DENVER, May 06, 2026 (GLOBE NEWSWIRE) -- SeaStar Medical Holding Corporation (NASDAQ:ICU), a commercial-stage healthcare company focused on transforming treatments for critically ill patients facing organ failure and potential loss of life, announced today that it will report its first quarter financial results after market close on Wednesday, May 13, 2026, and host a webcast and conference call to discuss its financial results and business progress. Date/Time:Wednesday, May 13, 2026, at 4:30 p.m. ET / 2:30 p.m. MT Webcast:The live webcast and replay can be found here. Register for the call:Preregistration is required to attend the live call and can be accessed here. A pin code and dial i
Results from pediatric patients in the SAVE Registry shows no device-related adverse events or immunosuppression and continued strong survival data In vitro analysis of the SeaStar Medical SCD indicates modulation of the immune response, shifting monocytes towards an anti-inflammatory, reparative phenotype SeaStar Medical hosts an industry symposium and panel discussion focused on innovation in the treatment of pediatric AKI, supporting its emerging leadership in this community DENVER, March 30, 2026 (GLOBE NEWSWIRE) -- SeaStar Medical Holding Corporation (NASDAQ:ICU), a commercial-stage healthcare company focused on transforming treatments for critically ill patients facing organ fai
424B3 - SeaStar Medical Holding Corp (0001831868) (Filer)
10-Q - SeaStar Medical Holding Corp (0001831868) (Filer)
SCHEDULE 13G/A - SeaStar Medical Holding Corp (0001831868) (Subject)
4 - SeaStar Medical Holding Corp (0001831868) (Issuer)
4 - SeaStar Medical Holding Corp (0001831868) (Issuer)
4 - SeaStar Medical Holding Corp (0001831868) (Issuer)
SC 13G - SeaStar Medical Holding Corp (0001831868) (Subject)
DENVER, May 06, 2026 (GLOBE NEWSWIRE) -- SeaStar Medical Holding Corporation (NASDAQ:ICU), a commercial-stage healthcare company focused on transforming treatments for critically ill patients facing organ failure and potential loss of life, announced today that it will report its first quarter financial results after market close on Wednesday, May 13, 2026, and host a webcast and conference call to discuss its financial results and business progress. Date/Time:Wednesday, May 13, 2026, at 4:30 p.m. ET / 2:30 p.m. MT Webcast:The live webcast and replay can be found here. Register for the call:Preregistration is required to attend the live call and can be accessed here. A pin code and dial i
Added top-rated children's hospitals to QUELIMMUNE™ pediatric Acute Kidney Injury (AKI) customer base Completed enrollment in FDA-mandated QUELIMMUNE SAVE Post-Marketing Registry Exceeded 50% enrollment milestone in pivotal trial of SCD therapy in adult patients with AKI Advanced pipeline indications with initiation of cardio-renal clinical trial Webcast today at 4:30 pm Eastern Time DENVER, March 25, 2026 (GLOBE NEWSWIRE) -- SeaStar Medical Holding Corporation (NASDAQ:ICU), a commercial-stage healthcare company focused on transforming treatments for critically ill patients facing organ failure and potential loss of life announced today financial results for the three months and yea
DENVER, March 18, 2026 (GLOBE NEWSWIRE) -- SeaStar Medical Holding Corporation (NASDAQ:ICU), a commercial-stage healthcare company focused on transforming treatments for critically ill patients facing organ failure and potential loss of life, announced today that it will report its fourth quarter and year-end 2025 financial results after market close on Wednesday, March 25, 2026, and host a webcast and conference call to discuss its financial results and business progress. Date/Time:Wednesday, March 25, 2026, at 4:30 p.m. ET / 2:30 p.m. MT Webcast:The live webcast and replay can be found here. Register for the call:Preregistration is required to attend the live call and can be accessed h
DENVER, Nov. 17, 2025 (GLOBE NEWSWIRE) -- SeaStar Medical Holding Corporation (NASDAQ:ICU), a commercial-stage healthcare company focused on transforming treatments for critically ill patients facing organ failure and potential loss of life, announced today that Michael Messinger, a seasoned healthcare executive with over 25 years of industry experience, has joined SeaStar Medical as Chief Financial Officer. "Mike brings to SeaStar Medical a breadth of financial expertise, operational discipline, and strategic healthcare experience that will be invaluable as we grow our commercial operations and prepare for additional commercial opportunities for our SCD therapy," stated Eric Schlorff, CE