Company · ICU
SeaStar Medical Holding Corporation
Name as listed on its exchange; filed with the SEC as SeaStar Medical Holding Corp.
Nasdaq's symbol directory lists ICU on Nasdaq as “SeaStar Medical Holding Corporation - Common Stock”.
In the 12 months to Nov 8, 2026: insiders bought on 1 occasion ($2K); 2 company reports (Form 8-K, since May 26, 2026).
Insider trades · SEC Form 4
Those inside the hall
Open-market purchases and sales only. Legs one person filed for one day are combined.
Who traded
- Michael Messinger, Chief Financial Officer bought $2K
Every trade (1)
- BUYMichael Messinger, Chief Financial Officer bought $2K
Company reports · SEC Form 8-K
In its own words
Current reports the company filed with the SEC; most items are due within four business days of the event. Each line lists the report's items by the SEC's own titles; the filing says what happened. Reports collected since May 26, 2026; every 8-K at the SEC.
- Other events Nov 3, 2026
- Entry into a material definitive agreement; Unregistered sales of equity securities; Other events Oct 5, 2026
Sources: SEC EDGAR (Forms 4, 144 and 8-K) and STOCK Act periodic transaction reports. Filings can be late, amended or wrong at the source; see methodology.