Douglas Kerr, CHIEF MEDICAL OFFICER at Generation Bio Co. (GBIO), sold 22,534 shares at $34.08 ($752K) on 2021-02-08, disclosed to the SEC on 2021-02-10.
Open-market sale of $752k 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 | $33.01 | 7,500 | $248K | 32.9% |
| 2 | $33.01 | 7,500 | $248K | 32.9% |
| 3 | $34.08 | 3,767 | $128K | 17.1% |
| 4 | $34.08 | 3,767 | $128K | 17.1% |
| Total | $33.37 avg | 22,534 | $752K | 100% |
| Filing → |
| DYN | SELL | 2026-06-17 | $16K | — | Filing → |
| DYN | SELL | 2026-05-14 | $29K | — | Filing → |
| DYN | SELL | 2026-03-06 | $13K | — | Filing → |