Matthew Stanton, CHIEF SCIENTIFIC OFFICER at Generation Bio Co. (GBIO), sold 15,050 shares at $35.28 ($525K) on 2021-03-10, disclosed to the SEC on 2021-03-12.
Open-market sale of $525k GBIO by CHIEF SCIENTIFIC 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 | $34.57 | 4,550 | $157K | 30.0% |
| 2 | $34.57 | 4,550 | $157K | 30.0% |
| 3 | $35.28 | 5,950 | $210K | 40.0% |
| Total | $34.85 avg | 15,050 | $525K | 100% |
| Filing → |
| GBIO | SELL | 2021-08-25 | $38K | — | Filing → |
| GBIO | SELL | 2021-08-11 | $34K | — | Filing → |
| GBIO | SELL | 2021-07-14 | $75K | — | Filing → |