Heyburn William A. (CIK 0001859732)

Latest company ownership

Shares held
1,386,436
Last filed at
Nov 5, 2025
Confidence Score
87.5
2025Q4
Confidence Score History
2025Q4 2025Q4
Shares held
1,305,497
Last filed at
Sep 12, 2025
Confidence Score
54.3
2025Q4
Confidence Score History
2021Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 10, 2025 Dec 12, 2025 Strata Critical Medical, Inc. CEO Sell 42.5 -35,348 -2.52% ✗ $154.8K
Dec 9, 2025 Dec 10, 2025 Strata Critical Medical, Inc. CEO Buy 82.5 +17,000 1.23% ✗ $76K
Oct 31, 2025 Nov 5, 2025 Strata Critical Medical, Inc. CEO Sell 92.5 +80,939 6.20% ✗ $503.7K
Sep 10, 2025 Sep 12, 2025 Strata Critical Medical, Inc. CEO Sell 42.5 -35,348 -2.64% ✗ $141.4K
Aug 1, 2025 Aug 5, 2025 Strata Critical Medical, Inc. CFO Sell 85.0 +16,191 1.22% ✓ $535.8K
Jun 9, 2025 Jun 11, 2025 Strata Critical Medical, Inc. CFO Sell 26.3 -135,348 -9.27% ✓ $540.9K
Mar 13, 2025 Mar 17, 2025 Strata Critical Medical, Inc. CFO Sell 90.0 +62,782 4.49% ✗ $499.4K
Jan 6, 2025 Jan 8, 2025 Strata Critical Medical, Inc. CFO Sell 26.3 -104,570 -7.88% ✓ $525K
Dec 9, 2024 Dec 11, 2024 Strata Critical Medical, Inc. CFO Sell 30.0 -74,633 -5.42% ✓ $363.9K
Nov 29, 2024 Dec 3, 2024 Strata Critical Medical, Inc. CFO Sell 45.0 -23,815 -1.70% ✓ $119.6K
Sep 11, 2024 Sep 13, 2024 Strata Critical Medical, Inc. CFO Sell 42.5 -35,348 -2.51% ✗ $100.7K
Jun 13, 2024 Jun 17, 2024 Strata Critical Medical, Inc. CFO Sell 42.5 -57,994 -4.02% ✗ $170.5K
Apr 3, 2024 Apr 17, 2024 Strata Critical Medical, Inc. CFO Sell 48.8 -11,440 -0.80% ✗ $37.5K
Apr 3, 2024 Apr 5, 2024 Strata Critical Medical, Inc. CFO Sell 42.5 -20,552 -1.44% ✗ $67.4K
Mar 13, 2024 Mar 15, 2024 Strata Critical Medical, Inc. CFO Sell 42.5 -53,842 -3.82% ✗ $145.1K
Dec 13, 2023 Dec 15, 2023 Strata Critical Medical, Inc. CFO Sell 42.5 -37,374 -2.73% ✗ $116.1K
Oct 4, 2023 Oct 6, 2023 Strata Critical Medical, Inc. CFO Sell 42.5 -39,127 -2.78% ✗ $95.5K
Jul 6, 2023 Jul 10, 2023 Strata Critical Medical, Inc. CFO Sell 30.0 -83,797 -5.75% ✓ $320.5K
Apr 5, 2023 Apr 11, 2023 Strata Critical Medical, Inc. CFO Sell 41.3 -41,513 -2.77% ✓ $120.2K
Jan 9, 2023 Jan 12, 2023 Strata Critical Medical, Inc. CFO Sell 51.3 -4,306 -0.30% ✗ $15K
Oct 6, 2022 Oct 11, 2022 Strata Critical Medical, Inc. CFO Sell 48.8 -3,744 -0.77% ✗ $14.9K
Jul 15, 2022 Aug 8, 2022 Strata Critical Medical, Inc. CFO Sell 36.3 -3,677 -0.75% ✗ $16.2K
Apr 5, 2022 Apr 6, 2022 Strata Critical Medical, Inc. CFO Sell 36.3 -3,866 -0.79% ✗ $33.2K
Dec 14, 2021 Dec 16, 2021 Strata Critical Medical, Inc. CFO Sell 17.5 -125,320 -29.75% ✗ $1.1M