ATLAS Venture Associates X, L.P. is 10% Owner at Generation Bio Co. (GBIO).
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| GBIO | SELL · 10b5-1 | 2021-06-24 | 2021-06-28 | $25.85 | $802K | -2.8% | -19.3% | -3.0% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.