InsidersTradesSigma
Total declarations
Companies
▲ Purchases (1 ops.)
▼ Sales (15 ops.)
Insider track record
CEODisclosed 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
Discover the complete record of transactions filed by Heyburn William A., Chief Executive Officer. Insider active across 2 companies, notably Strata Critical Medical, Inc.. In total, 47 filings have been logged. Split: 1 buy · 15 sells. Total volume traded: €1.7m. History available since 13 August 2021. The latest transaction was disclosed on 30 July 2026 (Attribution). Regulator: SEC (Form 4). The full history is openly available.
Companies and markets linked to Heyburn William A.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations47 total
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$5.09Class 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
11,440 shares@ US$3.27781.0% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-24-000056:0
20,552 shares@ US$3.27781.8% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-24-000052:0
45,000 shares@ US$0.180.2% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-24-000044:0
25 of 47 declarations
About Heyburn William A.
Heyburn William A. is Directeur Général. The record shows 44 filings in total, with buys of EUR 65322 and sells of EUR 1625854 over the period covered by the 44 sampled filings, from 2021-08-17 to 2026-04-27. The companies listed are Blade Air Mobility, Inc., where he is Chief Financial Officer, and Strata Critical Medical, Inc., where he is Co-CEO and CFO.
