Phillip Samayoa serves as Executive at Generation Bio Co., where they oversee executive responsibilities. Since joining the company, Phillip Samayoa has executed 25 insider transactions totaling $30.0K, demonstrating a bearish approach to their equity position. Their most recent transaction on Oct 15, 2025 involved selling 34 shares valued at $228.
Phillip Samayoa currently holds 14,138 shares of Generation Bio Co. (GBIO), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Phillip Samayoa has been a net seller of GBIO stock. They have purchased $0 and sold $30.0K worth of shares.
Phillip Samayoa's most recent insider trade was on Oct 15, 2025, when they sold 34 shares at $6.71 per share.
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| $N/A |
| Discretionary |
| Jul 15, 2025 | GBIO | $0 | Option Exercise | 1,147 | $N/A | Discretionary |
| Jul 15, 2025 | GBIO | $145 | Payment | 337 | $0.43 | Discretionary |
| Jul 15, 2024 | GBIO | $0 | Option Exercise | 1,147 | $N/A | Discretionary |
| Jul 15, 2024 | GBIO | $987 | Payment | 337 | $2.93 | Discretionary |
| Apr 15, 2024 | GBIO | $1.2K | Payment | 337 | $3.70 | Discretionary |
| Apr 15, 2024 | GBIO | $0 | Option Exercise | 1,147 | $N/A | Discretionary |
| Jan 15, 2024 | GBIO | $2.7K | Payment | 1,430 | $1.91 | Discretionary |
| Jan 15, 2024 | GBIO | $3.0K | Payment | 1,590 | $1.91 | Discretionary |
| Jan 15, 2024 | GBIO | $0 | Option Exercise | 4,587 | $N/A | Discretionary |
| Jan 15, 2024 | GBIO | $0 | Option Exercise | 4,125 | $N/A | Discretionary |
| Jan 2, 2024 | GBIO | $4.0K | Sale | 2,445 | $1.62 | Planned |
| Oct 15, 2023 | GBIO | $3.9K | Payment | 1,211 | $3.24 | Discretionary |
| Oct 15, 2023 | GBIO | $0 | Option Exercise | 4,125 | $N/A | Discretionary |
| Jul 15, 2023 | GBIO | $6.2K | Payment | 1,211 | $5.08 | Discretionary |
| Jul 15, 2023 | GBIO | $0 | Option Exercise | 4,125 | $N/A | Discretionary |
| Jul 3, 2023 | GBIO | $16.5K | Sale | 3,116 | $5.29 | Planned |
| Apr 15, 2023 | GBIO | $0 | Option Exercise | 4,125 | $N/A | Discretionary |
| Apr 15, 2023 | GBIO | $5.4K | Payment | 1,211 | $4.50 | Discretionary |
| Jan 15, 2023 | GBIO | $7.3K | Payment | 1,430 | $5.10 | Discretionary |
| Jan 15, 2023 | GBIO | $0 | Option Exercise | 4,125 | $N/A | Discretionary |
| Jan 9, 2023 | GBIO | $9.5K | Sale | 1,865 | $5.11 | Discretionary |
| Oct 15, 2022 | GBIO | $6.8K | Payment | 1,211 | $5.61 | Discretionary |
| Oct 15, 2022 | GBIO | $0 | Option Exercise | 4,125 | $N/A | Discretionary |