Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Upstream Bio, Inc. (UPB) since 2024 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Upstream Bio, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 2022626.
Total stock buying since 2024: $28,050,000.
Total stock sales since 2024: $46,568.
Total stock option exercises since 2024: $0.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2026 | 0 | $0 | 5,013 | $46,568 | 0 | $0 |
| 2024 | 1,650,000 | $28,050,000 | 0 | $0 | 0 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2026-03 | 0 | $0 | 5,013 | $46,568 | 0 | $0 |
| 2024-10 | 1,650,000 | $28,050,000 | 0 | $0 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2026-03-16 | Ambrose Allison (General Counsel) | Sale | 475 | 9.29 | 4,412 |
| 2026-03-16 | Deykin Aaron (Chief Medical Officer) | Sale | 894 | 9.29 | 8,305 |
| 2026-03-16 | Houghton Adam (Chief Business Officer) | Sale | 699 | 9.29 | 6,493 |
| 2026-03-16 | Sutherland Everett Rand (Chief Executive Officer) | Sale | 2,093 | 9.29 | 19,443 |
| 2026-03-16 | Gray Michael (CFO and COO) | Sale | 852 | 9.29 | 7,915 |
| 2024-10-15 | Chimovits Erez | Buy | 825,000 | 17.00 | 14,025,000 |
| 2024-10-15 | Orbimed Israel Gp Ii, L.p. | Buy | 825,000 | 17.00 | 14,025,000 |
Insider trading activities including stock purchases, stock sales, and option exercises of UPB listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Upstream Bio, Inc. (symbol UPB, CIK number 2022626) see the Securities and Exchange Commission (SEC) website.