Samayoa Phillip has filed 30 insider transactions across 1 company since January 2024.
Most recent transaction: a option exercise of 114 shares of Generation Bio Co. ($GBIO) on October 15, 2025.
Activity breakdown: 0 open-market purchases and 1 sale.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct. 15, 2025 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF SCIENTIFIC OFFICER | M | Restricted Stock Units | 114 | $0.00 | 573.0000 | 6,735,454 | 16.59% | 0.00% |
| Oct. 15, 2025 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF SCIENTIFIC OFFICER | F | Common Stock | 34 | $6.71 | 14,138.0000 | 6,735,454 | 0.24% | 0.00% |
| Oct. 15, 2025 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF SCIENTIFIC OFFICER | M | Common Stock | 114 | $0.00 | 14,172.0000 | 6,735,454 | 0.81% | 0.00% |
| July 15, 2025 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF SCIENTIFIC OFFICER | M | Common Stock | 1147 | $0.00 | 140,925.0000 | 6,703,586 | 0.82% | 0.02% |
| July 15, 2025 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF SCIENTIFIC OFFICER | F | Common Stock | 337 | $0.43 | 140,588.0000 | 6,703,586 | 0.24% | 0.01% |
| July 15, 2025 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF SCIENTIFIC OFFICER | M | Restricted Stock Units | 1147 | $0.00 | 6,876.0000 | 6,703,586 | 14.30% | 0.02% |
| April 15, 2025 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF SCIENTIFIC OFFICER | M | Common Stock | 1147 | $0.00 | 128,856.0000 | 67,002,511 | 0.90% | 0.00% |
| April 15, 2025 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF SCIENTIFIC OFFICER | F | Common Stock | 337 | $0.37 | 128,519.0000 | 67,002,511 | 0.26% | 0.00% |
| April 15, 2025 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF SCIENTIFIC OFFICER | M | Restricted Stock Units | 1147 | $0.00 | 8,023.0000 | 67,002,511 | 12.51% | 0.00% |
| Jan. 15, 2025 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF SCIENTIFIC OFFICER | M | Common Stock | 1147 | $0.00 | 128,107.0000 | 66,624,249 | 0.90% | 0.00% |
| Jan. 15, 2025 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF SCIENTIFIC OFFICER | F | Common Stock | 398 | $0.89 | 127,709.0000 | 66,624,249 | 0.31% | 0.00% |
| Jan. 15, 2025 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF SCIENTIFIC OFFICER | M | Restricted Stock Units | 1147 | $0.00 | 9,170.0000 | 66,624,249 | 11.12% | 0.00% |
| Jan. 10, 2025 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF SCIENTIFIC OFFICER | A | Stock Option (right to buy) | 251030 | $0.00 | 251,030.0000 | 66,624,249 | 9999.99% | 0.38% |
| Oct. 15, 2024 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF STRATEGY OFFICER | M | Restricted Stock Units | 1147 | $0.00 | 10,317.0000 | 6,673,846 | 10.01% | 0.02% |
| Oct. 15, 2024 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF STRATEGY OFFICER | F | Common Stock | 337 | $2.42 | 122,097.0000 | 6,673,846 | 0.28% | 0.01% |
| Oct. 15, 2024 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF STRATEGY OFFICER | M | Common Stock | 1147 | $0.00 | 122,434.0000 | 6,673,846 | 0.95% | 0.02% |
| July 15, 2024 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF STRATEGY OFFICER | M | Restricted Stock Units | 1147 | $0.00 | 11,464.0000 | 6,653,100 | 9.10% | 0.02% |
| July 15, 2024 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF STRATEGY OFFICER | F | Common Stock | 337 | $2.93 | 121,287.0000 | 6,653,100 | 0.28% | 0.01% |
| July 15, 2024 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF STRATEGY OFFICER | M | Common Stock | 1147 | $0.00 | 121,624.0000 | 6,653,100 | 0.95% | 0.02% |
| April 15, 2024 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF STRATEGY OFFICER | M | Common Stock | 1147 | $0.00 | 114,095.0000 | 66,433,640 | 1.02% | 0.00% |
| April 15, 2024 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF STRATEGY OFFICER | F | Common Stock | 337 | $3.70 | 113,758.0000 | 66,433,640 | 0.30% | 0.00% |
| April 15, 2024 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF STRATEGY OFFICER | M | Restricted Stock Units | 1147 | $0.00 | 12,611.0000 | 66,433,640 | 8.34% | 0.00% |
| Jan. 15, 2024 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF STRATEGY OFFICER | F | Common Stock | 1590 | $1.91 | 112,948.0000 | 64,483,520 | 1.39% | 0.00% |
| Jan. 15, 2024 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF STRATEGY OFFICER | M | Restricted Stock Units | 4125 | $0.00 | 0.0000 | 64,483,520 | 100.00% | 0.01% |
| Jan. 15, 2024 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF STRATEGY OFFICER | M | Restricted Stock Units | 4587 | $0.00 | 13,758.0000 | 64,483,520 | 25.00% | 0.01% |
| Jan. 15, 2024 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF STRATEGY OFFICER | F | Common Stock | 1430 | $1.91 | 109,951.0000 | 64,483,520 | 1.28% | 0.00% |
| Jan. 15, 2024 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF STRATEGY OFFICER | M | Common Stock | 4125 | $0.00 | 111,381.0000 | 64,483,520 | 3.85% | 0.01% |
| Jan. 15, 2024 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF STRATEGY OFFICER | M | Common Stock | 4587 | $0.00 | 114,538.0000 | 64,483,520 | 4.17% | 0.01% |
| Jan. 2, 2024 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF STRATEGY OFFICER | S | Common Stock | 2445 | $1.62 | 107,256.0000 | 64,483,520 | 2.23% | 0.00% |
| Jan. 2, 2024 | Generation Bio Co. | $GBIO | Samayoa Phillip | CHIEF STRATEGY OFFICER | A | Stock Option (right to buy) | 160650 | $0.00 | 160,650.0000 | 64,483,520 | 9999.99% | 0.25% |