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Messinger Michael

In the past year, 2 open-market purchase filings worth $7.55K and no sales.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
$7.55K
2 filings
Sold
–
0 filings
Net
+$7.55K
Bought minus sold
Companies
1
With open-market trades

Trades

Every Form 4 that lists Messinger Michael as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

ICU SeaStar Medical Holding Corp

Chief Financial Officer2 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 19, 2026 (view filing)4:21 PM ETAug 181 dayMessinger MichaelChief Financial OfficerPPurchaseCommon Stock, par value $0.0001+750$3.27+$2.45K+42.9%2.50K after
Dec 11, 2025 (view filing)6:49 PM ETDec 92 daysMessinger MichaelChief Financial OfficerPPurchase+14.5K$0.3516+$5.10K+483.3%17.5K after