InsidersTradesSigma
Total declarations
Companies
▲ Purchases (2 ops.)
▼ Sales (0 ops.)
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, 13 filings have been logged. Total volume traded: €131k. The latest transaction was disclosed on 9 December 2025 — Acquisition. Regulator: SEC (Form 4). The full history is accessible without signup.
Declarations13 total
US$65,32217,000 shares@ US$3.84250.016% mcap100.0% of flow
Class A common stock, $0.0001 par value per share
SEC:0001628280-25-056310·
Ideal exit: 5 Sept 2026 (T+270)
€65,32217,000 shares@ €3.84250.016% mcap50.0% of flow
Class A common stock, $0.0001 par value per share
SEC:0001628280-25-056310:0·
Ideal exit: 5 Sept 2026 (T+270)
€30,4843,866 shares@ €7.88531.6% of flow
Class A common stock, par value $0.0001 per share
SEC:0001779128-22-000028:0·
€11,29870,000 shares@ €0.16141.2% of flow
Class A common stock, par value $0.0001 per share
SEC:0001779128-22-000002·
€11,29870,000 shares@ €0.16140.6% of flow
Class A common stock, par value $0.0001 per share
SEC:0001779128-22-000002:0·
0106,371 shares0
Class A common stock, par value $0.0001 per share
SEC:0001779128-21-000021·
0106,371 shares0
Class A common stock, par value $0.0001 per share
SEC:0001779128-21-000021:0·
€930,566125,320 shares@ €7.425598.7% of flow
Class A common stock, $0.0001 par value per share
SEC:0001779128-21-000011·
€930,566125,320 shares@ €7.425548.6% of flow
Class A common stock, $0.0001 par value per share
SEC:0001779128-21-000011:0·
€7655,000 shares@ €0.1530.1% of flow
Class A common stock, $0.0001 par value per share
SEC:0001062993-21-008792·
€7655,000 shares@ €0.1530.0% of flow
Class A common stock, $0.0001 par value per share
SEC:0001062993-21-008792:0·
0122,851 shares0
Class A common stock, $0.0001 par value per share
SEC:0001062993-21-007691·
0122,851 shares0
Class A common stock, $0.0001 par value per share
SEC:0001062993-21-007691:0·
13 of 13 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.
