Atlas Venture Fund X, L.P.
10% Owner · 1 filing · Latest: Feb 9, 2026
Generation Bio Co.
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|
IRON | Atlas Venture Fund X, L.P. | — | Jul 24, 2025 | Proposed Sale | $60.94 | 23,245 | $1.4M | — | |
IRON | Atlas Venture Fund X, L.P. | — | Jul 23, 2025 | Proposed Sale | $60.74 | 53,215 | $3.2M | — | |
IRON | Atlas Venture Fund X, L.P. | — | Jul 18, 2025 | Proposed Sale | $57.79 | 1,184 | $68.4K | — | |
IRON | Atlas Venture Fund X, L.P. | — | Feb 5, 2025 | Proposed Sale | $54.32 | 112,211 | $6.1M | — | |
IRON | Atlas Venture Fund X, L.P. | — | Feb 4, 2025 | Proposed Sale | $54.99 | 6,350 | $349.2K | — | |
IRON | Atlas Venture Fund X, L.P. | — | Feb 3, 2025 | Proposed Sale | $55.80 | 6,439 | $359.3K | — |
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