Douglas Kerr, CHIEF MEDICAL OFFICER at Generation Bio Co. (GBIO), sold 22,234 shares at $28.05 ($613K) on 2021-01-11, disclosed to the SEC on 2021-01-13.
Open-market sale of $613k 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 | $27.17 | 6,246 | $170K | 27.7% |
| 2 | $27.17 | 6,246 | $170K | 27.7% |
| 3 | $28.05 | 4,721 | $132K | 21.6% |
| 4 | $28.05 | 4,721 | $132K | 21.6% |
| 5 | $28.80 | 300 | $9K | 1.4% |
| Total | $27.57 avg | 22,234 |
| $613K |
| 100% |
| Filing → |
| DYN | SELL | 2026-06-17 | $16K | — | Filing → |
| DYN | SELL | 2026-05-14 | $29K | — | Filing → |
| DYN | SELL | 2026-03-06 | $13K | — | Filing → |