Geoff McDonough insider trades
Open-market stock purchases and sales by Geoff McDonough, Director at Generation Bio Co, from SEC Form 4 filings since Jun 5, 2019.
Recent trades
| Date | Stock | Trade | Value |
|---|---|---|---|
| Feb 9, 2026 | GBIO Generation Bio Co | Sold (not open market) | $835K |
| Feb 9, 2026 | GBIO Generation Bio Co | Sold (not open market) | $794K |
| Feb 9, 2026 | GBIO Generation Bio Co | Sold (not open market) | $334K |
| Feb 9, 2026 | GBIO Generation Bio Co | Sold (not open market) | — |
| Feb 9, 2026 | GBIO Generation Bio Co | Sold (not open market) | — |
| Feb 9, 2026 | GBIO Generation Bio Co | Sold (not open market) | — |
| Feb 9, 2026 | GBIO Generation Bio Co | Sold (not open market) | $1M |
| Feb 9, 2026 | GBIO Generation Bio Co | Sold (not open market) | $7.6M |
| Feb 9, 2026 | GBIO Generation Bio Co | Sold (not open market) | $2.4M |
| Feb 9, 2026 | GBIO Generation Bio Co | Sold (not open market) | $942K |
| Feb 2, 2026 | GBIO Generation Bio Co | Sold (not open market) | $3.1K |
| Feb 2, 2026 | GBIO Generation Bio Co | Bought (not open market) | — |
| Jan 15, 2026 | GBIO Generation Bio Co | Bought (not open market) | — |
| Jan 15, 2026 | GBIO Generation Bio Co | Sold (not open market) | $773 |
| Oct 31, 2025 | GBIO Generation Bio Co | Sold (not open market) | $1.6K |
| Oct 31, 2025 | GBIO Generation Bio Co | Bought (not open market) | — |
| Oct 15, 2025 | GBIO Generation Bio Co | Sold (not open market) | $1K |
| Oct 15, 2025 | GBIO Generation Bio Co | Bought (not open market) | — |