Douglas Kerr, CHIEF MEDICAL OFFICER at Generation Bio Co. (GBIO), sold 28,144 shares at $29.91 ($847K) on 2021-04-05, disclosed to the SEC on 2021-04-07.
Open-market sale of $847k GBIO by CHIEF MEDICAL OFFICER. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $29.91 | 10,751 | $322K | 38.0% |
| 2 | $29.91 | 10,751 | $322K | 38.0% |
| 3 | $30.68 | 3,321 | $102K | 12.0% |
| 4 | $30.68 | 3,321 | $102K | 12.0% |
| Total | $30.09 avg | 28,144 | $847K | 100% |
| Filing → |
| DYN | SELL | 2026-06-17 | $16K | — | Filing → |
| DYN | SELL | 2026-05-14 | $29K | — | Filing → |
| DYN | SELL | 2026-03-06 | $13K | — | Filing → |