Insider · SEC Forms 3, 4, 5
CIK 1494730
All transactions
Every Form 4 row this person reported, newest first
Insider · SEC Forms 3, 4, 5
Every Form 4 row this person reported, newest first
Atlas Venture Associates Opportunity I, LLC (CIK 1780066) reported 5 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-02-09). Recent activity: Sell GBIO (711,193 shares), Sell GBIO (116,693 shares), Sell GBIO (60 shares), Sell VIGL (4.8M shares), Sell VIGL (1.0M shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-09 | Generation Bio Co. (GBIO) | 10% Owner | Sell | 711,193 | $0 |
| 2026-02-09 | Generation Bio Co. (GBIO) | 10% Owner | Sell | 116,693 | $0 |
| 2026-02-09 | Generation Bio Co. (GBIO) | 10% Owner | Sell | 60 | $0 |
| 2025-08-07 | Vigil Neuroscience, Inc. (VIGL) | 10% Owner | Sell | 4.8M | $0 |
| 2025-08-07 | Vigil Neuroscience, Inc. (VIGL) | 10% Owner | Sell | 1.0M | $0 |
Source: SEC Form 4 filings · as of 2026-02-09