Jacquelyn L. Sumer serves as Executive at GENOCEA BIOSCIENCES, INC., where they oversee executive responsibilities. Since joining the company, Jacquelyn L. Sumer has executed 11 insider transactions totaling $61.0K, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 18, 2025 involved selling 3,480 shares valued at $33.7K.
Jacquelyn L. Sumer currently holds 135,432 shares of GENOCEA BIOSCIENCES, INC. (GNCA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Jacquelyn L. Sumer has been a net seller of GNCA stock. They have purchased $0 and sold $61.0K worth of shares.
Jacquelyn L. Sumer's most recent insider trade was on Dec 18, 2025, when they sold 3,480 shares at $9.67 per share.
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| $N/A |
| Discretionary |
| Dec 21, 2023 | CGEM | $11.9K | Sale | 1,400 | $8.50 | Discretionary |
| Dec 18, 2023 | CGEM | $2.4K | Sale | 290 | $8.22 | Discretionary |
| Jun 20, 2023 | CGEM | $3.8K | Sale | 291 | $12.94 | Discretionary |
| May 18, 2023 | CGEM | $2.5K | Sale | 291 | $8.76 | Discretionary |
| Apr 18, 2023 | CGEM | $3.1K | Sale | 290 | $10.71 | Discretionary |
| Mar 20, 2023 | CGEM | $3.5K | Sale | 305 | $11.32 | Discretionary |
| Feb 17, 2023 | CGEM | $0 | Award | 47,000 | $N/A | Discretionary |
| Jun 1, 2022 | GNCA | $150 | Sale | 2,500 | $0.06 | Discretionary |
| Mar 15, 2022 | GNCA | $0 | Award | 37,500 | $N/A | Discretionary |