Atlas Venture Associates X, LLC, 10% Owner at Generation Bio Co. (GBIO), sold 254,190 shares at $29.19 ($7.2M) on 2021-04-07, disclosed to the SEC on 2021-04-09.
Open-market sale of $7.2M GBIO by 10% Owner. 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 | $28.48 | 37,970 | $1.1M | 15.1% |
| 2 | $28.48 | 37,970 | $1.1M | 15.1% |
| 3 | $29.19 | 1,894 | $55K | 0.8% |
| 4 | $29.19 | 1,894 | $55K | 0.8% |
| 5 | $28.47 | 40,359 | $1.1M | 16.0% |
| 6 | $28.47 | 40,359 |
| $1.1M |
| 16.0% |
| 7 | $28.90 | 3,191 | $92K | 1.3% |
| 8 | $28.90 | 3,191 | $92K | 1.3% |
| 9 | $27.57 | 41,549 | $1.1M | 16.0% |
| 10 | $27.57 | 41,549 | $1.1M | 16.0% |
| 11 | $28.35 | 2,132 | $60K | 0.8% |
| 12 | $28.35 | 2,132 | $60K | 0.8% |
| Total | $28.20 avg | 254,190 | $7.2M | 100% |
| Filing → |
| GBIO | SELL | 2021-09-24 | $7.0M | — | Filing → |
| KYMR | SELL | 2021-08-12 | $14.8M | — | Filing → |
| GBIO | SELL | 2021-04-14 | $7.3M | — | Filing → |