| 2021-05-03 | Sale | Generation Bio Co. GBIO | CHIEF DEVELOPMENT OFFICER | 5,000 0.0089% | $35.70 | $178,475 | -41.14% | |
| 2021-04-22 | Sale | Generation Bio Co. GBIO | CHIEF DEVELOPMENT OFFICER | 5,000 0.0049% | $18.95 | $94,775 | -37.65% | |
| 2021-03-03 | Sale | Generation Bio Co. GBIO | CHIEF DEVELOPMENT OFFICER | 6,000 0.0062% | $22.98 | $137,910 | -40.9% | |
| 2021-03-01 | Sale | Generation Bio Co. GBIO | CHIEF DEVELOPMENT OFFICER | 5,000 0.0088% | $39.12 | $195,584 | -40.97% | |
| 2021-02-02 | Sale | Generation Bio Co. GBIO | CHIEF DEVELOPMENT OFFICER | 5,000 0.0099% | $33.05 | $165,250 | -16.72% | |
| 2021-01-14 | Sale | Generation Bio Co. GBIO | CHIEF DEVELOPMENT OFFICER | 5,000 0.0049% | $18.84 | $94,200 | -26.61% |