Atlas Venture Fund X, L.P.
SEC insider (Form 3/4/5 filer). CIK 0001628098. 10% Owner at Generation Bio Co. (GBIO). 3 reported Form 4/5 transactions since Sep 2024; latest on Feb 9, 2026. Located in CAMBRIDGE, MA.
Companies Atlas Venture Fund X, L.P. has filed insider reports for
- Generation Bio Co. (GBIO): 10% Owner
Atlas Venture Fund X, L.P.
CIK: 0001628098
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)0 (0.0%)
Compensation grants
Other (G, F, J, C, D, …)3 (100.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
GBIO
Generation Bio Co.
10% Owner