ICU · Insider trading · 13F holders · Congress trades
SeaStar Medical Holding Corp (ICU)
Who is buying and selling ICU: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 0
- Insider buys, 90 days
- $2K
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
ICU at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 ICU insider filed 1 open-market purchase worth $2K on SEC Form 4.
- No 13F filer reports ICU among its 50 largest positions.
- No member of Congress has disclosed a trade in ICU.
- ICU last closed at $2.31 on Oct 29, 2026.
ICU insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 ICU insider filed 1 open-market purchase worth $2K on SEC Form 4.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Aug 19, 2026 | Messinger Michael | Chief Financial Officer | Buy | 750 | $3.27 | $2K | SEC |
Who owns ICU? Hedge funds and superinvestors
No 13F filer reports ICU among its 50 largest positions.
ICU stock trades by members of Congress
No member of Congress has disclosed a trade in ICU.
ICU questions and answers
Are insiders buying ICU stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 ICU insider filed 1 open-market purchase worth $2K on SEC Form 4.
Which hedge funds own ICU?
No 13F filer reports ICU among its 50 largest positions.
Has Congress traded ICU?
No member of Congress has disclosed a trade in ICU.
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