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Latest filing published 19 Aug 2026 for SeaStar Medical Holding Corp, €2,117.
Not enough history yet: 1 closed purchase, at least 2 are needed.
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
Michael Messinger has filed trades across 2 companies (mainly through SEC (Form 4)), most often in CONTRAFECT Corp and SeaStar Medical Holding Corp. In total, 5 filings cover trades dated from 11 September 2014 to 18 August 2026.
The open-market record is one-sided, with 4 purchases worth €9,002 and not one sale. Unlike grants, an open-market purchase is paid for by the insider, at the market price. The rest of the record consists of 1 share grant. 2026 to date brings 1 purchase and no sales.
The median purchase comes to €1,885. 2 out of 4 purchases came within 30 days of a purchase by at least one other insider of the same company. Purchases made close together by different insiders form what is called a cluster.
On 19 August 2026 came the latest disclosure, an open-market purchase for €2,117 in SeaStar Medical Holding Corp. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. The legal deadline for a Form 4 is two business days after the transaction. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
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