🕵️ Seastar Medical Holding Corp ($ICUCW)
SEC insider & ownership activity, last 12 months · CIK 1831868 · every row links its SEC filing
Over the last 12 months insiders bought $9K with no open-market selling against it. Messinger Michael bought $8K in discretionary trades (Dec–Aug). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
2 buyers, $9K (3 lots) · 0 sellers, $0 (0 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Messinger Michael | 2 | $8K | 0 | – | Aug 18, 2026 |
| Jennifer A. Baird | 1 | $987 | 0 | – | Dec 19, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Mitchell P. Kopin | 10.0% | 13G | May 13, 2026 | filing ↗ | |
| Daniel B. Asher | 10.0% | 13G | May 13, 2026 | filing ↗ | |
| Intracoastal Capital LLC | 10.0% | 13G | May 13, 2026 | filing ↗ | |
| Ayrton Capital LLC | 6.5% | 13G | May 11, 2026 | filing ↗ | |
| ALTO Opportunity Master Fund, SPC - Segregated Master Portfolio B | 6.5% | 13G | May 11, 2026 | filing ↗ | |
| Waqas Khatri | 6.5% | 13G | May 11, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Aug 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 12, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 25, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 17, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 17, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 17, 2026 | filing ↗ |
| Earnings (2.02) | May 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 13, 2026 | filing ↗ |
| Other events (8.01) | Apr 27, 2026 | filing ↗ |
| Earnings (2.02) | Mar 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 25, 2026 | filing ↗ |
| Other events (8.01) | Jan 20, 2026 | filing ↗ |
| Material Modifications to Rights of Security Holders (3.03) | Dec 18, 2025 | filing ↗ |
| Other events (8.01) | Dec 18, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 18, 2025 | filing ↗ |
| Material Modifications to Rights of Security Holders (3.03) | Dec 18, 2025 | filing ↗ |
| Shareholder vote (5.07) | Dec 18, 2025 | filing ↗ |
| Earnings (2.02) | Nov 13, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 13, 2025 | filing ↗ |
| Officer/director changes (5.02) | Nov 12, 2025 | filing ↗ |
| Other events (8.01) | Sep 24, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 24, 2025 | filing ↗ |
| Officer/director changes (5.02) | Sep 23, 2025 | filing ↗ |
| Officer/director changes (5.02) | Aug 13, 2025 | filing ↗ |