| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Over the past 90 days, insiders at Upstream Bio, Inc. (UPB) have been net sellers, shedding 5,028 shares worth roughly $28K on balance.
Classified under Biotechnology (Health Care sector), UPB's insider flows are most useful compared with peers in the same group.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| CEO | 68.7K | $377.3K | - | |
| Other | 32.3K | $177.3K | - | |
| CFO | 27.9K | $153.4K | - | |
| Other | 22.9K | $125.7K | - | |
| Dir | 17.1K | - | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 16, 2026 | Sutherland Everett Rand | Chief Executive Officer | Sell | 2,095 | $5.49 | $11,501.55 | -3.0% | - | - | |
| Sep 16, 2026 | Gray Michael | CFO And COO | Sell | 853 | $5.49 | $4,682.97 | -3.0% | - | - | |
| Sep 16, 2026 | Houghton Adam | Chief Business Officer | Sell | 700 | $5.49 | $3,843.00 | -3.0% | - | - | |
| Sep 16, 2026 | Deykin Aaron | Chief Medical Officer | Sell | 895 | $5.49 | $4,913.55 | -2.7% | - | - | |
| Sep 16, 2026 | Ambrose Allison | General Counsel | Sell | 485 | $5.49 | $2,662.65 | -3.0% | - | - | |
| Jun 16, 2026 | Ambrose Allison | General Counsel | Sell | 477 | $6.10 | $2,909.70 | -2.9% | - | - | |
| Jun 16, 2026 | Deykin Aaron | Chief Medical Officer | Sell | 895 | $6.10 | $5,459.50 | -2.6% | - | - | |
| Jun 16, 2026 | Gray Michael | CFO And COO | Sell | 853 | $6.10 | $5,203.30 | -2.9% | - | - | |
| Jun 16, 2026 | Houghton Adam | Chief Business Officer | Sell | 700 | $6.10 | $4,270.00 | -2.9% | - | - | |
| Jun 16, 2026 | Sutherland Everett Rand | Chief Executive Officer | Sell | 2,095 | $6.10 | $12,779.50 | -2.9% | - | - |