ICUCW — SeaStar Medical Holding Corp
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2021-03-18.
Performance
Technicals
Others in Healthcare
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-18 | Messinger Michael Chief Financial Officer | Open-market purchase | 750 | 3.27 | 2.5K |
| 2026-07-01 | Chung Kevin Chief Medical Officer | Grant or award | 7.2K | 0.00 | 0 |
| 2026-07-01 | Baird Jennifer A Director | Grant or award | 4.0K | 0.00 | 0 |
| 2026-07-01 | Schlorff Eric Chief Executive Officer | Grant or award | 10.3K | 0.00 | 0 |
| 2026-07-01 | Van Heel Kenneth Director | Grant or award | 4.0K | 0.00 | 0 |
| 2026-07-01 | Vincent Bernadette N Director | Grant or award | 4.0K | 0.00 | 0 |
| 2026-07-01 | Neuman John Director | Grant or award | 4.0K | 0.00 | 0 |
| 2026-02-06 | Neuman John Director | Grant or award | 3.0K | 0.00 | 0 |
| 2026-02-06 | Vincent Bernadette N Director | Grant or award | 3.0K | 0.00 | 0 |
| 2026-02-06 | Van Heel Kenneth Director | Grant or award | 3.0K | 0.00 | 0 |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BOOTHBAY FUND MANAGEMENT, LLC | 912.1K | 245.2K |
| GOLDMAN SACHS GROUP INC | 6.1K | 211.4K |
| Linden Advisors LP | 6.0K | 218.1K |
| LMR Partners LLP | 3.6K | 125.0K |
| Clear Street Group Inc. | 1.3K | 46.5K |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 1.2K | 40.0K |
| EQUITEC PROPRIETARY MARKETS, LLC | 1.0K | 35.7K |
| Cruiser Capital Advisors, LLC | 935 | 32.5K |
| WOLVERINE ASSET MANAGEMENT LLC | 354 | 12.3K |
| UBS Group AG | 21 | 717 |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 4 | 2026-08-19 | 2026-08-18 | on EDGAR ↗ |
| 10-Q | 2026-08-12 | 2026-06-30 | on EDGAR ↗ |
| 8-K | 2026-08-12 | 2026-08-12 | on EDGAR ↗ |
| S-8 | 2026-07-21 | — | on EDGAR ↗ |
| 4 | 2026-07-02 | 2026-07-01 | on EDGAR ↗ |
| 4 | 2026-07-02 | 2026-07-01 | on EDGAR ↗ |
| 4 | 2026-07-02 | 2026-07-01 | on EDGAR ↗ |
| 4 | 2026-07-02 | 2026-07-01 | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- SeaStar Medical Holding Corp (ICUCW) filed form 4 · 2026-08-19 · SEC EDGAR
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