Michael Messinger bought $2,453 of ICU
Chief Financial Officer at SeaStar Medical Holding Corp. 750 shares at an average of $3.27, traded Aug 18, 2026, filed Aug 19, 2026.
Score components
- +22RoleCFO
- 0Trade size$2k at market
- +6Relative to holdingsHoldings up 43%
- +8Price context73% below the 52-week high
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001437749-26-028540, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 18, 2026 | POpen-market purchase Common Stock, par value $0.0001 | +750 | $3.27 | $2,453 | 2,500 | Aug 19, 2026 |
Related signals
Other insiders at SeaStar Medical Holding Corp and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 44Moderate | SeaStar Medical Holding Corp | Jennifer A Baird director | $987 4,200 shares | +13% | |
| 48Moderate | SeaStar Medical Holding Corp | Michael Messinger Chief Financial Officer | $5,098 14,500 shares | +483% | |
| 46Moderate | SeaStar Medical Holding Corp | Kenneth Van Heel director | $31k 35,000 shares | +243% | |
| 37Weak | SeaStar Medical Holding Corp | Kevin Chung Chief Medical Officer | $8,000 10,000 shares | +21% | |
| 46Moderate | SeaStar Medical Holding Corp | Jennifer A Baird director | $4,174 10,000 shares | +56% | |
| 51Moderate | SeaStar Medical Holding Corp | John Neuman director | $14k 40,000 shares | +100% | |
| 49Moderate | SeaStar Medical Holding Corp | Jennifer A Baird director | $13k 10,000 shares | - | |
| 47Moderate | SeaStar Medical Holding Corp | Kevin Chung Chief Medical Officer | $5,625 4,500 shares | +33% | |
| 21Weak | ICUbuy SeaStar Medical Holding Corp | Kevin Chung Chief Medical Officer | $8,458 4,250 shares | +45% | |
| 21Weak | ICUbuy SeaStar Medical Holding Corp | Kevin Chung Chief Medical Officer | $4,258 1,000 shares | +12% |
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.