| 2021-07-08 | Sale | Generation Bio Co. GBIO | CHIEF MEDICAL OFFICER | 7,036 0.0124% | $25.20 | $177,341 | -69.64% | |
| 2021-04-05 | Sale | Generation Bio Co. GBIO | CHIEF MEDICAL OFFICER | 28,144 0.0484% | $30.09 | $846,901 | -29.86% | |
| 2021-03-05 | Sale | Generation Bio Co. GBIO | CHIEF MEDICAL OFFICER | 22,534 0.0391% | $31.44 | $708,534 | -28.9% | |
| 2021-02-08 | Sale | Generation Bio Co. GBIO | CHIEF MEDICAL OFFICER | 22,534 0.0394% | $33.37 | $751,909 | -27.62% | |
| 2021-01-11 | Sale | Generation Bio Co. GBIO | CHIEF MEDICAL OFFICER | 22,534 0.0297% | $19.67 | $443,192 | -4.64% |