ICU insider trading — SeaStar Medical Holding Corp
Over the last 90 days, insiders at SeaStar Medical Holding Corp (ICU) made 1 open-market purchase worth $2K and 0 open-market sales worth $0, making them net buyers by $2K. The largest purchase was by Messinger Michael (Chief Financial Officer), who bought 750 shares for $2K on Aug 18, 2026.
Updated Oct 16, 2026.
Recent ICU insider transactions
Every Form 4 filed by SeaStar Medical Holding Corp officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Aug 18, 2026 | Messinger Michael | Chief Financial Officer | P · Purchase | Direct | 750 | $3.27 | $2K | Form 4 |
ICU insider trading FAQ
Are insiders buying ICU stock?
Yes. In the last 90 days, SeaStar Medical Holding Corp insiders made 1 open-market purchase totaling $2K, and no open-market sales. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading ICU?
Recent buyers: Messinger Michael.
Where does ICU insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.