William A. Heyburn
Co-CEO and CFO at Strata Critical Medical Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 1 year
- Director since
- 2025
1 year of board service in total across 1 board, counting each seat separately. Longest: Strata Critical Medical Inc., 1 year.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Strata Critical Medical Inc. May 28, 202698.9%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 24, 2026 | Strata Critical Medical Inc. | Grant or award | +177,858 | — | — |
| Sep 24, 2026 | Strata Critical Medical Inc. | Shares withheld for tax | −98,356 | $5.27 | $518,336 |
| Sep 8, 2026 | Strata Critical Medical Inc. | Shares withheld for tax | −31,671 | $5.31 | $168,173 |
| Jul 31, 2026 | Strata Critical Medical Inc. | Shares withheld for tax | −199,209 | $5.09 | $1,013,974 |
| Jul 30, 2026 | Strata Critical Medical Inc. | Grant or award | +181,071 | — | — |
| Jul 30, 2026 | Strata Critical Medical Inc. | Grant or award | +179,160 | — | — |
| Jun 8, 2026 | Strata Critical Medical Inc. | Open-market sale | −31,671 | $5.87 | $185,909 |
| Apr 24, 2026 | Strata Critical Medical Inc. | Shares withheld for tax | −301,731 | $4.92 | $1,484,517 |
| Apr 23, 2026 | Strata Critical Medical Inc. | Grant or award | +545,625 | — | — |
| Mar 8, 2026 | Strata Critical Medical Inc. | Shares withheld for tax | −31,314 | $4.54 | $142,166 |
| Dec 10, 2025 | Strata Critical Medical Inc. | Shares withheld for tax | −35,348 | $4.38 | $154,824 |
| Dec 9, 2025 | Strata Critical Medical Inc. | Open-market purchase | +17,000 | $4.47 | $75,990 |
| Nov 3, 2025 | Strata Critical Medical Inc. | Shares withheld for tax | −100,133 | $5.03 | $503,669 |
| Oct 31, 2025 | Strata Critical Medical Inc. | Grant or award | +181,072 | — | — |
| Sep 10, 2025 | Strata Critical Medical Inc. | Shares withheld for tax | −35,348 | $4.00 | $141,392 |
Questions about William A. Heyburn
What boards is William A. Heyburn on?
William A. Heyburn sits on the board of Strata Critical Medical Inc.
What company is William A. Heyburn the CEO of?
William A. Heyburn is Co-CEO and CFO of Strata Critical Medical Inc.
How long has William A. Heyburn served on boards?
Our records show at least 1 year of board service across 1 board, the earliest from 2025.
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