Seastar Medical Holding CORP Schedule 13G passive stakes

Intracoastal Capital LLC, along with individuals Mitchell P. Kopin and Daniel B. Asher, reported beneficial ownership of 443,253 shares of SeaStar Medical Holding Corporation common stock, representing 9.99% of the outstanding shares as of March 31, 2026.

Ayrton Capital LLC, Alto Opportunity Master Fund, and Waqas Khatri have filed a Schedule 13G reporting a 6.52% beneficial ownership stake in SeaStar Medical Holding Corporation.

Intracoastal Capital LLC, along with Mitchell P. Kopin and Daniel B. Asher, has reported a 9.99% beneficial ownership stake in SeaStar Medical Holding Corporation.

Armistice Capital and Steven Boyd have filed an amended Schedule 13G, disclosing a 4.99% beneficial ownership stake in SeaStar Medical Holding Corp.

Ayrton Capital LLC, Alto Opportunity Master Fund, and Waqas Khatri disclose a passive 2.6% beneficial ownership stake in SeaStar Medical Holding Corp, primarily through warrants.

Intracoastal Capital LLC, along with Mitchell P. Kopin and Daniel B. Asher, has disclosed a passive beneficial ownership of 9.99% in SeaStar Medical Holding Corporation's common stock.

Armistice Capital, LLC and Steven Boyd have jointly disclosed a beneficial ownership of 9.99% in SeaStar Medical Holding Corp's common stock as of March 31, 2025.

Ayrton Capital LLC, Alto Opportunity Master Fund, SPC Segregated Master Portfolio B, and Waqas Khatri have filed an amended Schedule 13G, disclosing a collective beneficial ownership of 6.2% in SeaStar Medical Holding Corp.'s common stock as of December 31, 2024.