Donald William Nicholson is Director at Generation Bio Co. (GBIO). They have made 3 open-market trades across 1 company since 2021, most recently 2026-02-09.
CIK 0001814617
3 open-market purchases totalling $393K since 2021, never a sale. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| GBIO | 213,576 | $1.1M |
Shares reported on the most recent Form 4, priced at the 2023-12-05 close.
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.