Upstream Bio, Inc. · NASDAQ:UPB
Ambrose Allison sold 485 Upstream Bio, Inc. shares (Form 4)
Traded Sep 16, 2026 · Filed Sep 17, 2026
On Sep 16, 2026, Ambrose Allison (General Counsel) sold 485 Upstream Bio, Inc. shares at US$5.49 for US$2,663, leaving 15,563 shares. Filed Sep 17, 2026 (Form 4).
- Sold
- 485 shares
- Price
- US$5.49
- Value
- US$2,663
- Holding after
- 15,563 shares
- Trading plan
- No
- Role
- General Counsel
The filing in full
| Date | Security | Transaction | Shares | Price | Holding after | Ownership |
|---|---|---|---|---|---|---|
| Sep 16, 2026 | Common Stock | Sale | 485 | US$5.49 | 15,563 | Direct |
Source
Related
- Upstream Bio, Inc.
- Ambrose Allison
- Upstream Bio, Inc. shareholders
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