SeaStar Medical Holding Corp
ICU- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001831868
In the last 90 days, SeaStar Medical Holding Corp insiders filed 1 open-market purchase and 0 sales; 18 institutions reported holding it in 13F filings for Q2 2026, worth $582.1K in total; no superinvestor holds it.
Other share classesICUCW
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by SeaStar Medical Holding Corp insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 1 filing
- 1 insider, $2.45K in total
- Open-market sells
- 0 filings
- Insiders trading
- 1
- Net value
- +$2.45K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for SeaStar Medical Holding Corp, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Messinger Michael | Chief Financial Officer | 2,500 | Aug 19, 2026 | 2 |
| Schlorff Eric | Chief Executive Officer | 50,140 | Jul 2, 2026 | 2 |
| Chung Kevin | Chief Medical Officer | 28,021 | Jul 2, 2026 | 2 |
| Vincent Bernadette N | Director | 8,200 | Jul 2, 2026 | 2 |
| Neuman John | Director | 16,200 | Jul 2, 2026 | 2 |
| Van Heel Kenneth | Director | 11,940 | Jul 2, 2026 | 2 |
| Baird Jennifer A | Director | 10,620 | Jul 2, 2026 | 3 |
| Towne Bradford K | Principal Accounting Officer | 9,050 | Feb 10, 2026 | 1 |
| Green David A | Chief Financial Officer | 10,323 | Apr 3, 2025 | 0 |
| Barnett Rick | Director | 86,664 | Nov 15, 2024 | 0 |
| Collins Allan | Director | 54,343 | Nov 15, 2024 | 0 |
| Russell Richard D. | Director | 60,300 | Apr 16, 2024 | 0 |
| Rodgers Bruce M. | Director | 44,515 | Apr 16, 2024 | 0 |
| Lobo Andres | Director | 40,300 | Apr 16, 2024 | 0 |
| Baron Caryl | Interim CFO | 139,872 | Nov 29, 2023 | 0 |
| LM Funding America, Inc. | 10% Owner | 2,587,500Indirect | Nov 1, 2022 | 0 |
| LMFAO Sponsor, LLC | 10% Owner | 2,587,500 | Nov 1, 2022 | 0 |
| Dow Employees' Pension Plan Trust | 10% Owner | 4,449,841 | Nov 1, 2022 | 0 |
| Union Carbide Employees' Pension Plan Trust | 10% Owner | 2,966,555 | Nov 1, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 19, 2026 (view filing)4:21 PM ET | Aug 18 | 1 day | Messinger MichaelChief Financial Officer | PPurchaseCommon Stock, par value $0.0001 | +750 | $3.27 | +$2.45K | +42.9%2.50K after | |
| Dec 22, 2025 (view filing)6:55 PM ET | Dec 19 | 3 days | Baird Jennifer ADirector | PPurchase | +4.20K | $0.2351 | +$987.42 | +13.1%36.2K after | |
| Dec 11, 2025 (view filing)6:49 PM ET | Dec 9 | 2 days | Messinger MichaelChief Financial Officer | PPurchase | +14.5K | $0.3516 | +$5.10K | +483.3%17.5K after | |
| Aug 28, 2025 (view filing) | Aug 26-27 | 2 days | Van Heel KennethDirector | PPurchaseCommon Stock, par value $0.0001 per share | +35.0K | $0.8814 | +$30.9K | +243.1%49.4K after | 2 lots |
| Aug 25, 2025 (view filing) | Aug 22 | 3 days | Chung KevinChief Medical Officer | PPurchaseCommon Stock, par value $0.0001 per share | +10.0K | $0.80 | +$8.00K | +20.8%58.2K after | |
| Jul 2, 2025 (view filing)7:32 PM ET | Jun 30 | 2 days | Baird Jennifer ADirector | PPurchaseCommon Stock, par value $0.0001 per share | +10.0K | $0.4174 | +$4.17K | +55.6%28.0K after | |
| Jun 27, 2025 (view filing)6:00 AM ET | Jun 24 | 3 daysLate | Neuman JohnDirector | PPurchaseCommon Stock, par value $0.0001 per share | +40.0K | $0.3599 | +$14.4K | +100.0%80.0K after | |
| May 22, 2025 (view filing) | May 20 | 2 days | Baird Jennifer ADirector | PPurchaseCommon Stock, par value $0.0001 per share | +10.0K | $1.28 | +$12.8K | New position10.0K after | |
| May 20, 2025 (view filing) | May 20 | Same day | Chung KevinChief Medical Officer | PPurchaseCommon Stock, par value $0.0001 per share | +4.50K | $1.25 | +$5.63K | +32.9%18.2K after | |
| Feb 27, 2025 (view filing) | Jun 14-Dec 11, 2024 | 258 daysLate | Neuman JohnDirector | PPurchaseCommon Stock, par value $0.0001 per share | +40.0K | $3.83 | +$153.2K | New position40.0K after | 4 lots |
| Nov 19, 2024 (view filing) | Nov 18 | 1 day | Chung KevinChief Medical Officer | PPurchaseCommon Stock, par value $0.0001 per share | +4.25K | $1.99 | +$8.46K | +45.0%13.7K after | |
| Oct 1, 2024 (view filing) | Sep 30 | 1 day | Chung KevinChief Medical Officer | PPurchaseCommon Stock, par value $0.0001 per share | +1.00K | $4.26 | +$4.26K | +11.9%9.44K after | |
| Nov 27, 2023 (view filing)4:05 PM ET | Nov 22 | 5 days | Van Heel KennethDirector | PPurchaseCommon Stock, par value $0.0001 per share | +100.0K | $0.40 | +$40.0K | +609.8%116.4K after | |
| Jun 1, 2023 (view filing)4:01 PM ET | May 30 | 2 days | Chung KevinChief Medical Officer | PPurchaseCommon Stock, par value $0.0001 per share | +12.5K | $0.4746 | +$5.95K | +22.6%68.1K after | 4 lots |
| May 30, 2023 (view filing) | May 25 | 5 days | Russell Richard D.Director | PPurchaseCommon Stock, par value $0.0001 per share | +20.0K | $0.50 | +$10.0K | +250.7%28.0K after | |
| May 22, 2023 (view filing) | May 18 | 4 days | Chung KevinChief Medical Officer | PPurchaseCommon Stock, par value $0.0001 per share | +7.50K | $0.70 | +$5.25K | +15.6%55.6K after | |
| Apr 7, 2023 (view filing) | Apr 5, 2022 | 367 daysLate | Chung KevinChief Medical Officer | PPurchaseCommon Stock, par value $0.0001 per share | +3.76K | $1.85 | +$6.96K | New position3.76K after | |
| Nov 1, 2022 (view filing) | Oct 28 | 4 days | Union Carbide Employees' Pension Plan Trust10% Owner | PPurchase | +200.0K | – | – | +7.2%2.97M after | |
| Nov 1, 2022 (view filing) | Oct 28 | 4 days | Union Carbide Employees' Pension Plan Trust10% Owner | PPurchase | +200.0K | – | – | –200.0K after | Derivative |
| Nov 1, 2022 (view filing) | Oct 28 | 4 days | Dow Employees' Pension Plan Trust10% Owner | PPurchase | +300.0K | – | – | +7.2%4.45M after | |
| Nov 1, 2022 (view filing) | Oct 28 | 4 days | Dow Employees' Pension Plan Trust10% Owner | PPurchase | +300.0K | – | – | –300.0K after | Derivative |