Atlas Venture Opportunity Fund I, 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 |
|---|---|---|---|---|---|---|---|---|---|
KYMR | Atlas Venture Opportunity Fund I, LP | — | Jun 29, 2026 | Proposed Sale | $108.12 | 10,473 | $1.1M | — | |
DYN | Atlas Venture Opportunity Fund I, LP | — | Jun 29, 2026 | Proposed Sale | $20.94 | 40,702 | $852.3K | — | |
DYN | Atlas Venture Opportunity Fund I, LP | — | Jun 26, 2026 | Proposed Sale | $20.61 | 64,411 | $1.3M | — | |
KYMR | Atlas Venture Opportunity Fund I, LP | — | Jun 26, 2026 | Proposed Sale | $116.46 | 57,451 | $6.7M | — | |
DYN | Atlas Venture Opportunity Fund I, LP | — | Jun 25, 2026 | Proposed Sale | $20.33 | 5,019 | $102.0K | — | |
KYMR | Atlas Venture Opportunity Fund I, LP | — | Jun 25, 2026 | Proposed Sale | $99.87 | 67,329 | $6.7M | — | |
DYN | Atlas Venture Opportunity Fund I, LP | — | Jun 24, 2026 | Proposed Sale | $20.26 | 19,973 | $404.7K | — | |
KYMR | Atlas Venture Opportunity Fund I, LP | — | Jun 24, 2026 | Proposed Sale | $98.25 | 16,542 | $1.6M | — | |
DYN | Atlas Venture Opportunity Fund I, LP | — | Jun 23, 2026 | Proposed Sale | $20.87 | 30,774 | $642.3K | — | |
KYMR | Atlas Venture Opportunity Fund I, LP | — | Jun 23, 2026 | Proposed Sale | $99.45 | 173 | $17.2K | — | |
KYMR | Atlas Venture Opportunity Fund I, LP | — | Jun 22, 2026 | Proposed Sale | $90.43 | 34,152 | $3.1M | — | |
KYMR | Atlas Venture Opportunity Fund I, LP | — | Jun 18, 2026 | Proposed Sale | $89.90 | 14,128 | $1.3M | — | |
KYMR | Atlas Venture Opportunity Fund I, LP | — | Jun 17, 2026 | Proposed Sale | $87.44 | 12,902 | $1.1M | — | |
DYN | Atlas Venture Opportunity Fund I, LP | — | May 6, 2026 | Proposed Sale | $17.47 | 17,244 | $301.3K | — | |
DYN | Atlas Venture Opportunity Fund I, LP | — | May 5, 2026 | Proposed Sale | $17.71 | 2,403 | $42.6K | — | |
DYN | Atlas Venture Opportunity Fund I, LP | — | May 4, 2026 | Proposed Sale | $17.39 | 2,466 | $42.9K | — | |
DYN | Atlas Venture Opportunity Fund I, LP | — | Apr 28, 2026 | Proposed Sale | $18.04 | 47,103 | $849.7K | — | |
DYN | Atlas Venture Opportunity Fund I, LP | — | Apr 27, 2026 | Proposed Sale | $18.26 | 35,947 | $656.4K | — | |
DYN | Atlas Venture Opportunity Fund I, LP | — | Apr 24, 2026 | Proposed Sale | $18.90 | 28,583 | $540.2K | — | |
DYN | Atlas Venture Opportunity Fund I, LP | — | Apr 23, 2026 | Proposed Sale | $19.67 | 15,148 | $298.0K | — |
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