Generation Bio Co. (GBIO) has 50 open-market insider trades by 15 insiders since 2020. The most active filer is Matthew Stanton, CSO.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Wellington Biomedical Innovation Master Investors (Cayman) I L.P. | 10% Owner | — | 1 | $20.9M | 2020-06-16 |
| Jason P. Rhodes | Dir | — | 6 | $18.2M | 2026-02-09 |
| Artal Group S.A. | 10% Owner | — | 1 | $15.2M | 2020-06-16 |
| Eli Casdin | 10% Owner | — | 1 | $12.3M | 2020-06-16 |
| Mark C. Wehrly | 10% Owner | — | 1 | $7.6M | 2020-06-16 |
| Deerfield Partners, L.P. | 10% Owner | — | 1 | $4.3M | 2020-06-16 |
| Charles A. Rowland Jr. | Dir | — | 6 | $2.7M | 2026-02-09 |
| Matthew Stanton | CSO | — | 12 | $2.5M | 2024-10-15 |
| Douglas Kerr | — | — | 4 | $1.4M | 2024-01-29 |
| Geoff McDonough | CEOPres | — | 3 | $1.1M | 2026-02-09 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Anthony G. Quinn | Director | Buy | $324K | 2025-01-10 |
| Antoinette Paone | COO | Sell | $18K | 2024-07-01 |
| Phillip Samayoa | CHIEF STRATEGY OFFICER | Sell | $4K | 2024-01-02 |
| Dannielle Appelhans | Director | Buy | $14K | 2023-12-08 |
| Dannielle Appelhans | Director | Buy | $18K | 2023-12-04 |
| Anthony G. Quinn | Director | Buy | $250K |
Companies that share insiders with GBIO, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| 2023-12-01 |
| Charles A. Rowland Jr. | Director | Buy | $731K | 2023-12-01 |
| Donald William Nicholson | Director | Buy | $144K | 2023-12-01 |
| Antoinette Paone | COO | Sell | $15K | 2023-08-23 |
| Phillip Samayoa | CHIEF STRATEGY OFFICER | Sell | $16K | 2023-07-03 |
| Antoinette Paone | COO | Sell | $13K | 2023-04-25 |
| Antoinette Paone | COO | Sell | $15K | 2023-01-26 |
| Antoinette Paone | COO | Sell | $9K | 2023-01-10 |
| Phillip Samayoa | CHIEF STRATEGY OFFICER | Sell | $10K | 2023-01-09 |
| Antoinette Paone | COO | Sell | $15K | 2022-10-27 |