George Bickerstaff serves as Executive at VION PHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, George Bickerstaff has executed 83 insider transactions totaling $4.2M, demonstrating a bearish approach to their equity position. Their most recent transaction on Sep 11, 2025 involved exercising options for 29,136 shares valued at $231.9K.
George Bickerstaff currently holds 144,266 shares of VION PHARMACEUTICALS INC (VION), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, George Bickerstaff has been a net seller of VION stock. They have purchased $828.9K and sold $3.4M worth of shares.
George Bickerstaff's most recent insider trade was on Sep 11, 2025, when they sold 29,136 shares at $7.96 per share.
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| $N/A |
| Discretionary |
| May 14, 2024 | CDNA | $52.5K | Option Exercise | 5,255 | $10.00 | Discretionary |
| Aug 11, 2023 | CDNA | $48.2K | Option Exercise | 9,745 | $4.95 | Discretionary |
| Aug 11, 2023 | CDNA | $24.4K | Option Exercise | 4,453 | $5.49 | Discretionary |
| Aug 11, 2023 | CDNA | $26.4K | Option Exercise | 5,255 | $5.02 | Discretionary |
| Jun 16, 2023 | CDNA | $0 | Award | 18,844 | $N/A | Discretionary |
| Jan 6, 2023 | CDNA | $0 | Award | 1,323 | $N/A | Discretionary |
| Nov 23, 2022 | CDNA | $18.3K | Option Exercise | 15,000 | $1.22 | Discretionary |
| Oct 4, 2022 | CDNA | $0 | Award | 986 | $N/A | Discretionary |
| Jul 1, 2022 | CDNA | $0 | Award | 812 | $N/A | Discretionary |
| Jun 16, 2022 | CDNA | $0 | Award | 4,863 | $N/A | Discretionary |
| May 9, 2022 | CDNA | $5.0K | Award | 223 | $22.46 | Discretionary |
| Apr 25, 2022 | INVA | $0 | Award | 12,647 | $N/A | Discretionary |
| Apr 1, 2022 | CDNA | $0 | Award | 481 | $N/A | Discretionary |
| Feb 28, 2022 | CDNA | $977.8K | Sale | 25,000 | $39.11 | Discretionary |
| Jan 3, 2022 | CDNA | $0 | Award | 287 | $N/A | Discretionary |
| Oct 1, 2021 | CDNA | $0 | Award | 196 | $N/A | Discretionary |
| Jul 1, 2021 | CDNA | $0 | Award | 188 | $N/A | Discretionary |
| Jun 16, 2021 | CDNA | $0 | Award | 1,127 | $N/A | Discretionary |
| May 24, 2021 | INVA | $134.6K | Purchase | 10,000 | $13.46 | Discretionary |
| May 21, 2021 | CDNA | $60.7K | Sale | 799 | $75.97 | Discretionary |
| May 21, 2021 | CDNA | $692.7K | Sale | 9,201 | $75.28 | Discretionary |
| May 21, 2021 | INVA | $129.7K | Purchase | 10,000 | $12.97 | Discretionary |
| May 14, 2021 | INVA | $0 | Award | 17,482 | $N/A | Discretionary |
| May 12, 2021 | CDNA | $592.5K | Sale | 9,400 | $63.03 | Discretionary |
| May 12, 2021 | CDNA | $38.3K | Sale | 600 | $63.75 | Discretionary |
| Apr 1, 2021 | CDNA | $0 | Award | 193 | $N/A | Discretionary |
| Jan 4, 2021 | CDNA | $0 | Award | 258 | $N/A | Discretionary |
| Dec 14, 2020 | CDNA | $151.2K | Sale | 2,076 | $72.84 | Discretionary |