Insider · CIK 0001615039
Michael Messinger
Files at ICU (SeaStar Medical Holding Corp). First filing Dec 11, 2025, latest Dec 11, 2025.
Michael Messinger files SEC Form 4 as CFO at ICU (SeaStar Medical Holding Corp). Since Dec 11, 2025, Michael Messinger has reported 1 open-market buy worth $5,098 and 0 open-market sells worth $0, the latest filed on Dec 11, 2025.
A track record needs three past buys with six months of prices behind them; Michael Messinger has 0, so none is measured yet.
The newest scored trade: bought $5,098 of ICU on Dec 9, 2025, filed Dec 11, 2025, scored 48 (moderate). In the last 12 months: 1 buy worth $5,098 and 0 sells worth $0.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
ICU: SeaStar Medical Holding Corp
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 48Moderate | SeaStar Medical Holding Corp | $5,098 14,500 shares | +483% | +17% from low-85% from high |
Transactions
Every row this insider has filed, 1 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Dec 9, 2025 | ICU SeaStar Medical Holding Corp | POpen-market purchase Common Stock | +14,500 | $0.35 | $5,098 | 17,500 | Dec 11, 2025 |
Questions about Michael Messinger
Answered from the filings on this page, as of the latest one.
Is Michael Messinger buying or selling?
In the last 12 months Michael Messinger reported 1 open-market buy worth $5,098 and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $5,098 of ICU on Dec 9, 2025. Grants, option exercises and tax withholding are not counted.
How did Michael Messinger's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Michael Messinger has 0.
Where does Michael Messinger file Form 4?
Michael Messinger has filed Form 4 at ICU (SeaStar Medical Holding Corp) as Chief Financial Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.