UPB · Upstream Bio Inc. Common Stock
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| AI Upstream LLC | ▼ Sell | Other | 5,494,410 Shares held | 10/15/2024 | View profile |
| ORBIMED ADVISORS LLC Director | ▲ Buy | Open Market | 4,554,873 Shares held | 10/15/2024 | View profile |
| Chimovits Erez Director | ▲ Buy | Open Market | 4,554,873 Shares held | 10/15/2024 | View profile |
| Wellington Biomedical Innovation Master Investors (Cayman) II L.P. | ▼ Sell | Other | 894,733 Shares held | 10/15/2024 | View profile |
| Sutherland Everett Rand Chief Executive Officer | ▼ Sell | Open Market | 68,717 Shares held | 9/16/2026 | View profile |
| Deykin Aaron Chief Medical Officer | ▼ Sell | Open Market | 32,302 Shares held | 9/16/2026 | View profile |
| GRAY MICHAEL CFO and COO | ▼ Sell | Open Market | 27,942 Shares held | 9/16/2026 | View profile |
| Houghton Adam Chief Business Officer | ▼ Sell | Open Market | 22,901 Shares held | 9/16/2026 | View profile |
| Ambrose Allison General Counsel | ▼ Sell | Open Market | 15,563 Shares held | 9/16/2026 | View profile |
Transaction History
| GRAY MICHAEL | ▼ Sell | Open Market | 853 | $5K | 9/16/2026 |
| Ambrose Allison | ▼ Sell | Open Market | 485 | $3K | 9/16/2026 |
| Deykin Aaron | ▼ Sell | Open Market | 895 | $5K | 9/16/2026 |
| Sutherland Everett Rand | ▼ Sell | Open Market | 2,095 | $12K | 9/16/2026 |
| Houghton Adam | ▼ Sell | Open Market | 700 | $4K | 9/16/2026 |
| GRAY MICHAEL | ▼ Sell | Open Market | 853 | $5K | 6/16/2026 |
| Sutherland Everett Rand | ▼ Sell | Open Market | 2,095 | $13K | 6/16/2026 |
| Houghton Adam | ▼ Sell | Open Market | 700 | $4K | 6/16/2026 |
| Deykin Aaron | ▼ Sell | Open Market | 895 | $5K | 6/16/2026 |
| Ambrose Allison | ▼ Sell | Open Market | 477 | $3K | 6/16/2026 |
| GRAY MICHAEL | ▼ Sell | Open Market | 852 | $8K | 3/16/2026 |
| Deykin Aaron | ▼ Sell | Open Market | 894 | $8K | 3/16/2026 |
| Sutherland Everett Rand | ▼ Sell | Open Market | 2,093 | $19K | 3/16/2026 |
| Ambrose Allison | ▼ Sell | Open Market | 475 | $4K | 3/16/2026 |
| Houghton Adam | ▼ Sell | Open Market | 699 | $6K | 3/16/2026 |
| Deykin Aaron | ▲ Buy | Grant | 32,000 | $0 | 1/2/2026 |
| GRAY MICHAEL | ▲ Buy | Grant | 30,500 | $0 | 1/2/2026 |
| Ambrose Allison | ▲ Buy | Grant | 17,000 | $0 | 1/2/2026 |
| Houghton Adam | ▲ Buy | Grant | 25,000 | $0 | 1/2/2026 |
| Sutherland Everett Rand | ▲ Buy | Grant | 75,000 | $0 | 1/2/2026 |
| Wellington Biomedical Innovation Master Investors (Cayman) II L.P. | ▼ Sell | Other | 894,733 | — | 10/15/2024 |
| Chimovits Erez | ▼ Sell | Other | 721,956 | — | 10/15/2024 |
| Chimovits Erez | ▲ Buy | Open Market | 165,000 | $2.8M | 10/15/2024 |
| Chimovits Erez | ▼ Sell | Other | 2,887,833 | — | 10/15/2024 |
| Chimovits Erez | ▲ Buy | Open Market | 660,000 | $11.2M | 10/15/2024 |
| ORBIMED ADVISORS LLC | ▼ Sell | Other | 721,956 | — | 10/15/2024 |
| ORBIMED ADVISORS LLC | ▲ Buy | Open Market | 165,000 | $2.8M | 10/15/2024 |
| ORBIMED ADVISORS LLC | ▼ Sell | Other | 2,887,833 | — | 10/15/2024 |
| ORBIMED ADVISORS LLC | ▲ Buy | Open Market | 660,000 | $11.2M | 10/15/2024 |
| AI Upstream LLC | ▲ Buy | Open Market | 1,175,000 | $20.0M | 10/15/2024 |
| AI Upstream LLC | ▼ Sell | Other | 3,147,000 | — | 10/15/2024 |
| AI Upstream LLC | ▼ Sell | Other | 1,172,410 | — | 10/15/2024 |