Insider Shareholders with Direct Ownership of Upstream Bio, Inc. (UPB)
This section provides a comprehensive overview of the insiders with direct ownership of Upstream Bio, Inc. (UPB). You can find detailed information about the size and nature of each insider's ownership stake, as well as the latest updates on their holdings.
Upstream Bio, Inc. Insider List
| Insider | Adquired | Disposed | Held | # of Trades | Last Transaction |
|---|---|---|---|---|---|
| 5,494,410 | 0 | 5,494,410 | 1 |
Oct 15, 2024
Added 17.59%
|
|
| 894,733 | 0 | 894,733 | 1 |
Oct 15, 2024
Added 50.0%
|
|
|
Everett Rand Sutherland
Chief Executive Officer |
75,000 | 0 | 75,000 | 1 |
Jan 02, 2026
Added 50.0%
|
|
Aaron Deykin
Chief Medical Officer |
32,000 | 0 | 33,581 | 1 |
Jan 02, 2026
Added 48.79%
|
|
Michael Gray
CFO and COO |
30,500 | 0 | 30,500 | 1 |
Jan 02, 2026
Added 50.0%
|
|
Adam Houghton
Chief Business Officer |
25,000 | 0 | 25,000 | 1 |
Jan 02, 2026
Added 50.0%
|
|
Allison Ambrose
General Counsel |
17,000 | 0 | 17,000 | 1 |
Jan 02, 2026
Added 50.0%
|