InsidersTradesSigma
Total declarations
Companies
▲ Purchases (2 ops.)
▼ Sales (14 ops.)
Insider track record
CEODisclosed buys
2
Disclosed sells
14
T+90 hit rate
0%
T+90 mean return
-10.9%
Across 2 buy signals 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, 42 filings have been logged. Split: 2 buys · 14 sells. Total volume traded: €1.4m. History available since 13 August 2021. The latest transaction was disclosed on 9 December 2025 (Acquisition). Regulator: SEC (Form 4). The full history is openly available.
Declarations42 total
17,000 shares@ US$4.473250.0% of flowClass A common stock, $0.0001 par value per shareSEC:0001628280-25-056310
Ideal exit: 5 Sept 2026 (T+270)
17,000 shares@ US$4.47320.016% mcap50.0% of flowClass A common stock, $0.0001 par value per shareSEC:0001628280-25-056310:0
Ideal exit: 5 Sept 2026 (T+270)
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
27,210 shares@ US$2.76492.0% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-24-000034:0
20,552 shares0Class A common stock, $0.0001 par value per shareSEC:0001779128-24-000025:0
57,686 shares@ US$0.180.3% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-24-000004:0
14,508 shares@ US$2.94831.1% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-23-000138:0
13,419 shares@ US$2.51070.9% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-23-000110:0
33,712 shares@ US$0.180.2% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-23-000070:0
25,652 shares@ US$3.75112.5% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-23-000066:0
12,627 shares@ US$2.9781.0% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-23-000040:0
9,727 shares@ US$2.91530.7% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-23-000040:1
19,159 shares@ US$2.83351.4% of flowClass A common stock, $0.0001 par value per shareSEC:0001779128-23-000040:2
25 of 42 declarations
About Heyburn William A.
Heyburn William A. serves as Co-CEO and Chief Financial Officer of Strata Critical Medical, Inc. and Blade Air Mobility, Inc. In these roles, he is responsible for financial management and economic strategy of the companies. His expertise in finance enables him to oversee budgets, forecasts, and financial analyses while ensuring regulatory compliance. Heyburn plays a crucial role in strategic decision-making to maximize financial performance.
