Upstream Bio, Inc.
UPB
DELAYED 1 MONTH
9 insider filings · Latest: Jun 9, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Mar 16, 2026 | Mar 17 9:03 PM | Michael GrayCFO and COO | Sale | 852 | $9.29 | $7.9K | 29,648(D) | View → |
| Mar 16, 2026 | Mar 17 9:02 PM | Aaron DeykinChief Medical Officer | Sale | 894 | $9.29 | $8.3K | 32,687(D) | View → |
| Mar 16, 2026 | Mar 17 8:59 PM | Adam HoughtonChief Business Officer | Sale | 699 | $9.29 | $6.5K | 24,301(D) | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Jun 9, 2026 | Jun 12 12:00 AM | Marcella K. RuddyDirector | Grant/Award | 17,096 | $6.69 | 17,096(D) | View → |
| Jun 9, 2026 | Jun 12 12:00 AM | Ronald C Renaud JRDirector | Grant/Award | 17,096 | $6.69 | 17,096(D) | View → |
| Jun 9, 2026 | Jun 12 12:00 AM | Harold Edward FlemingDirector | Grant/Award | 17,096 | $6.69 | 17,096(D) | View → |
| Jun 9, 2026 | Jun 12 12:00 AM | Daniella BeckmanDirector | Grant/Award | 17,096 | $6.69 | 17,096(D) | View → |
| Jun 9, 2026 | Jun 12 12:00 AM | Liam RatcliffeDirector | Grant/Award | 17,096 | $6.69 | 17,096(D) | View → |
| Jun 9, 2026 | Jun 12 12:00 AM | Erez ChimovitsDirector | Grant/Award | 17,096 | $6.69 | 17,096(D) | View → |