Upstream Bio, Inc. · NASDAQ:UPB
TCG Crossover GP I, LLC's stake in Upstream Bio, Inc. fell to 3.90% (Schedule 13G/A)
Event Sep 30, 2025 · Filed Nov 14, 2025
TCG Crossover GP I, LLC's stake in Upstream Bio, Inc. fell to 3.90%, 2,117,103 shares, as a passive investor on Sep 30, 2025. Filed Nov 14, 2025 (Schedule 13G/A).
- Stake
- 3.90%
- Shares
- 2,117,103
- Intent
- Passive
- What changed
- Fell below 5%
- Filed together
- 3 holders
The filing in full
| Holder | Stake | Shares |
|---|---|---|
| TCG Crossover GP I, LLC | 3.90% | 2,117,103 |
| TCG Crossover Fund I, L.P. | 3.90% | 2,117,103 |
| Chen Yu | 3.90% | 2,117,103 |
Source
Related
- Upstream Bio, Inc.
- TCG Crossover GP I, LLC
- Upstream Bio, Inc. shareholders
- Schedule 13G · TCG Crossover GP I, LLC · Feb 14, 2025
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- Form 4 · Sutherland Everett Rand · Sep 17, 2026
- Form 4 · Houghton Adam · Sep 17, 2026
- Form 4 · Gray Michael · Sep 17, 2026
- Form 4 · Ambrose Allison · Sep 17, 2026