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Company
▲ Purchases (1 ops.)
▼ Sales (15 ops.)
Latest filing published 25 Sept 2026 for Strata Critical Medical, Inc.. Read the official filing
Filing timeline
BuySaleWilliam A. Heyburn
Insider track record
Disclosed buys
1
Disclosed sells
15
T+90 hit rate
0%
T+90 mean return
-10.9%
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Signal history
William A. Heyburn: trading record in brief
William A. Heyburn (chief executive) discloses dealings in Strata Critical Medical, Inc. to SEC (Form 4). In total, 50 filings cover trades dated from 13 August 2021 to 24 September 2026.
In open-market terms, that means 1 purchase worth €65k on one side and 15 sales worth €1.6M on the other. On balance, insiders were net sellers of €1.6M. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Besides market trades, the filings include 23 share grants and 11 option exercises.
On 25 September 2026 came the latest disclosure, a share grant for €455k in Strata Critical Medical, Inc. The most recent open-market purchase was published on 10 December 2025, 312 days ago. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. US insiders must file a Form 4 within two business days of a trade. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
Companies and markets linked to William A. Heyburn
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations50 total
177,858 shares0Class A common stock, $0.0001 par value per shareSEC:0001628280-26-063576:0
98,356 shares@ US$5.27Class A common stock, $0.0001 par value per shareSEC:0001628280-26-063576:1
31,671 shares@ US$5.310.032% mcap5.3% of flowClass A common stock, $0.0001 par value per shareSEC:0001628280-26-061362:0
181,071 shares0Class A common stock, $0.0001 par value per shareSEC:0001628280-26-051814:0
179,160 shares0Class A common stock, $0.0001 par value per shareSEC:0001628280-26-051814:1
199,209 shares@ US$5.090.23% mcap34.0% of flowClass A common stock, $0.0001 par value per shareSEC:0001628280-26-051814:2
545,625 shares0Class A common stock, $0.0001 par value per shareSEC:0001628280-26-027654:0
301,731 shares@ US$4.920.31% mcap90.7% of flowClass A common stock, $0.0001 par value per shareSEC:0001628280-26-027654:1
31,314 shares@ US$4.547.2% of flowClass A common stock, $0.0001 par value per shareSEC:0001628280-26-016559:0
35,348 shares@ US$4.388.4% of flowClass A common stock, $0.0001 par value per shareSEC:0001628280-25-056755:0
17,000 shares@ US$4.47320.016% mcap50.0% of flowClass A common stock, $0.0001 par value per shareSEC:0001628280-25-056310:0
Canonical exit: 9 Mar 2026 (T+90)
181,072 shares0Class A common stock, $0.0001 par value per shareSEC:0001628280-25-049658:0
35,348 shares@ US$4.008.3% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-25-000109:0
139,286 shares0Class A common stock, $0.0001 par value per shareSEC:0001779128-25-000075:0
100,000 shares@ US$4.065912.2% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-25-000049:0
222,857 shares0Class A common stock, $0.0001 par value per shareSEC:0001779128-25-000019:0
103,670 shares@ US$5.020914.4% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-25-000002:0
25,312 shares@ US$0.180.1% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-24-000161:0
39,285 shares@ US$5.01515.3% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-24-000151:0
23,815 shares@ US$5.02323.2% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-24-000138:0
24,688 shares@ US$0.180.1% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-24-000134:0
35,348 shares@ US$2.852.6% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-24-000119:0
25,000 shares@ US$0.180.1% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-24-000111:0
57,994 shares@ US$2.944.5% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-24-000085:0
30,000 shares@ US$0.180.1% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-24-000078:0
25 of 50 declarations
