ICU
SeaStar Medical Holding Corp
Surgical & Medical Instruments & ApparatusNasdaq<br>Emerging growth company
Total Trades
22
Buys
18
Sells
0
Largest Trade
N/A
Insiders
8
Institutional Funds
15
Inst. Value
$50K–$100K
Activist Filings
8
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Baird Jennifer A | Director | BUY | <$1K | 4K | $0.24 | Dec 22, 2025 |
| Messinger Michael | CFO | BUY | $1K–$15K | 15K | $0.35 | Dec 11, 2025 |
| Van Heel Kenneth | Director | BUY | $15K–$50K | 35K | $0.88 | Aug 28, 2025 |
| Chung Kevin | Chief Medical Offi… | BUY | $1K–$15K | 10K | $0.80 | Aug 25, 2025 |
| Baird Jennifer A | Director | EXERCISE | N/A | 3K | — | Jul 2, 2025 |
| Baird Jennifer A | Director | BUY | $1K–$15K | 10K | $0.42 | Jul 2, 2025 |
| Neuman John | Director | BUY | $1K–$15K | 40K | $0.36 | Jun 27, 2025 |
| Baird Jennifer A | Director | BUY | $1K–$15K | 10K | $1.28 | May 22, 2025 |
| Chung Kevin | Chief Medical Offi… | BUY | $1K–$15K | 5K | $1.25 | May 20, 2025 |
| Neuman John | Director | BUY | $100K–$500K | 40K | $3.83 | Feb 27, 2025 |
| Chung Kevin | Chief Medical Offi… | BUY | $1K–$15K | 4K | $1.99 | Nov 19, 2024 |
| Chung Kevin | Chief Medical Offi… | BUY | $1K–$15K | 1K | $4.26 | Oct 1, 2024 |
| Van Heel Kenneth | Director | BUY | $15K–$50K | 100K | $0.40 | Nov 27, 2023 |
| Chung Kevin | Chief Medical Offi… | BUY | $1K–$15K | 13K | $0.47 | Jun 1, 2023 |
| Russell Richard D. | Director | BUY | $1K–$15K | 20K | $0.50 | May 30, 2023 |
| Chung Kevin | Chief Medical Offi… | BUY | $1K–$15K | 8K | $0.70 | May 22, 2023 |
| Chung Kevin | Chief Medical Offi… | BUY | $1K–$15K | 4K | $1.85 | Apr 7, 2023 |
| Chung Kevin | Chief Medical Offi… | GRANT | N/A | 44K | — | Apr 7, 2023 |
| Union Carbide Employees' Pension Plan Trust | 10% Owner | BUY | N/A | 200K | — | Nov 1, 2022 |
| Union Carbide Employees' Pension Plan Trust | 10% Owner | GRANT | N/A | 2.8M | — | Nov 1, 2022 |
| Dow Employees' Pension Plan Trust | 10% Owner | GRANT | N/A | 4.1M | — | Nov 1, 2022 |
| Dow Employees' Pension Plan Trust | 10% Owner | BUY | N/A | 300K | — | Nov 1, 2022 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 15 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| JANE STREET GROUP, LLC | 127K | $15K–$50K | SH |
| Trinity Financial Advisors LLC | 75K | $15K–$50K | SH |
| Dynamic Advisor Solutions LLC | 29K | $1K–$15K | SH |
| TORONTO DOMINION BANK | 25K | $1K–$15K | SH |
| GOLDMAN SACHS GROUP INC | 23K | $1K–$15K | SH |
| Tyche Wealth Partners LLC | 18K | $1K–$15K | SH |
| PNC FINANCIAL SERVICES GROUP, INC. | 17K | $1K–$15K | SH |
| UBS Group AG | 13K | $1K–$15K | SH |
| GREAT VALLEY ADVISOR GROUP, INC. | 10K | $1K–$15K | SH |
| NewEdge Advisors, LLC | 2K | <$1K | SH |
| VANGUARD GROUP INC | 2K | <$1K | SH |
| TD Waterhouse Canada Inc. | 216 | <$1K | SH |
| MORGAN STANLEY | 200 | <$1K | SH |
| HighMark Wealth Management LLC | 20 | <$1K | SH |
| CWM, LLC | 1 | N/A | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Aug 15, 2025
5.0%
1.5M shares
SC 13G/A · Aug 13, 2025
2.6%
294K shares
SC 13G · May 15, 2025
10.0%
1.0M shares
SC 13G/A · Feb 13, 2025
6.2%
294K shares
SC 13G · Nov 14, 2024
6.6%
294K shares
(S) Karpus Investment Management
SC 13G/A · Nov 10, 2022
1.2%
154K shares
(S) Karpus Investment Management
SC 13G/A · Feb 14, 2022
11.8%
1.5M shares
SC 13G/A · Feb 14, 2022
9.3%
973K shares