Douglas Kerr serves as Executive at Generation Bio Co., where they oversee executive responsibilities. Since joining the company, Douglas Kerr has executed 43 insider transactions totaling $1.6M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 5, 2025 involved selling 880 shares valued at $18.2K.
Douglas Kerr currently holds 87,510 shares of Generation Bio Co. (GBIO), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Douglas Kerr has been a net seller of GBIO stock. They have purchased $0 and sold $1.6M worth of shares.
Douglas Kerr's most recent insider trade was on Dec 5, 2025, when they sold 880 shares at $20.72 per share.
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| $13.41 |
| Discretionary |
| Sep 4, 2025 | DYN | $47.1K | Sale | 3,552 | $13.27 | Discretionary |
| Sep 3, 2024 | DYN | $0 | Award | 47,500 | $N/A | Discretionary |
| Jan 29, 2024 | GBIO | $2.8K | Payment | 1,476 | $1.90 | Discretionary |
| Jan 29, 2024 | GBIO | $0 | Option Exercise | 5,021 | $N/A | Discretionary |
| Jan 15, 2024 | GBIO | $4.9K | Payment | 2,577 | $1.91 | Discretionary |
| Jan 15, 2024 | GBIO | $0 | Option Exercise | 6,694 | $N/A | Discretionary |
| Jan 15, 2024 | GBIO | $4.4K | Payment | 2,320 | $1.91 | Discretionary |
| Jan 15, 2024 | GBIO | $0 | Option Exercise | 7,437 | $N/A | Discretionary |
| Oct 15, 2023 | GBIO | $0 | Option Exercise | 7,437 | $N/A | Discretionary |
| Oct 15, 2023 | GBIO | $7.1K | Payment | 2,183 | $3.24 | Discretionary |
| Jul 15, 2023 | GBIO | $11.1K | Payment | 2,183 | $5.08 | Discretionary |
| Jul 15, 2023 | GBIO | $0 | Option Exercise | 7,437 | $N/A | Discretionary |
| Apr 15, 2023 | GBIO | $9.8K | Payment | 2,183 | $4.50 | Discretionary |
| Apr 15, 2023 | GBIO | $0 | Option Exercise | 7,437 | $N/A | Discretionary |
| Jan 15, 2023 | GBIO | $0 | Option Exercise | 7,438 | $N/A | Discretionary |
| Jan 15, 2023 | GBIO | $13.1K | Payment | 2,578 | $5.10 | Discretionary |
| Oct 15, 2022 | GBIO | $12.3K | Payment | 2,184 | $5.61 | Discretionary |
| Oct 15, 2022 | GBIO | $0 | Option Exercise | 7,438 | $N/A | Discretionary |
| Jul 15, 2022 | GBIO | $0 | Option Exercise | 14,876 | $N/A | Discretionary |
| Jul 15, 2022 | GBIO | $31.4K | Payment | 4,367 | $7.18 | Discretionary |
| Jul 8, 2021 | GBIO | $40.7K | Sale | 1,629 | $24.99 | Discretionary |
| Jul 8, 2021 | GBIO | $48.0K | Sale | 1,889 | $25.39 | Discretionary |
| Jul 8, 2021 | GBIO | $18.2K | Option Exercise | 3,518 | $5.16 | Discretionary |
| Apr 5, 2021 | GBIO | $101.9K | Sale | 3,321 | $30.68 | Discretionary |
| Apr 5, 2021 | GBIO | $321.6K | Sale | 10,751 | $29.91 | Discretionary |
| Apr 5, 2021 | GBIO | $72.6K | Option Exercise | 14,072 | $5.16 | Discretionary |
| Mar 5, 2021 | GBIO | $79.5K | Sale | 2,677 | $29.68 | Discretionary |
| Mar 5, 2021 | GBIO | $51.7K | Option Exercise | 11,267 | $4.59 | Discretionary |