Insiders who reported open-market trades in the last 12 months at the companies William A. Heyburn files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Amir Cohen - $410K in SRTA purchases and sales in the last 12 months
Melissa M. Tomkiel - $175K in SRTA purchases and sales in the last 12 months
Reginald Love - $125K in SRTA purchases and sales in the last 12 months
Scott M. Wunsch - $33K in SRTA purchases and sales in the last 12 months
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William A. Heyburn is a corporate insider, tracked as Co-CEO and CFO, Director of Strata Critical Medical, Inc. (SRTA). InsiderAlpha holds 14 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has William A. Heyburn submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has William A. Heyburn been buying or selling stock?
Recorded transactions: 0 open-market purchases and 4 open-market sales ($734K) across all tracked filings.
William A. Heyburn is Co-CEO and CFO, Director of Strata Critical Medical, Inc. (SRTA). 14 SEC Form 4 filings on record going back to 2024, most recently on 25 September 2026. Most recent open-market trade: sold $186K of SRTA on 10 June 2026. Lifetime open-market sales: $734K.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by William A. Heyburn.
InsiderAlpha's records for William A. Heyburn go back to 2024: 14 primary Form 4 filings, an average of 4.7 per year. 3 recorded transactions carry a Rule 10b5-1 plan flag. This identifies the marked transactions as reported under a trading plan; it does not establish the plan status of unmarked transactions.
