|
⚲
|
| Keyboard |
| Ambrose Allison
✚
|
|
|---|---|
| CIK # | 0002047381 |
| EDGAR Form | CIK | 2011 - 2026 |
|---|---|---|
| 3 | [0002047381] | |
| 4 | [0002047381] |
| Form 3/4/5 Subject | 2011 - 2026 |
|---|---|
| Ambrose Allison | |
| Upstream Bio Inc |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Upstream Bio Inc UPB
Common Stock
|
2026-03-16 | Sell | 475 | $9.29 | 4,413 |
|
Upstream Bio Inc UPB
Common Stock
|
2026-01-02 | Grant | 17,000 | $0.00 | |
|
Upstream Bio Inc UPB
Stock Option (Right to Buy) · derivative
|
2026-01-02 | Grant | 51,000 | $0.00 | |
|
Upstream Bio Inc UPB
Stock Option (Right to Buy) · derivative
|
2025-02-06 | Grant | 25,000 | $0.00 | |
|
Upstream Bio Inc UPB
Stock Option (Right to Buy) · derivative
|
2024-12-16 | Grant | 100,000 | $0.00 |