Upstream Bio, Inc (UPB) insider trading
Every open-market stock purchase and sale by Upstream Bio, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders sold $77.2K over the last 12 months (10 sales). No open-market buys.
- Last insider buy: AI Upstream LLC (Insider), $20M, 1 years ago.
Last 12 months: insiders bought $0 (0 buys) and sold $77.2K (10 sales). Last close $6.45 on Jun 7, 2026.
Recent UPB insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jun 16, 2026 | Everett Rand Sutherland (CEO) | Sold | $12.8K |
| Jun 16, 2026 | Aaron Deykin (C-suite exec) | Sold | $5.5K |
| Jun 16, 2026 | Michael Gray (CFO) | Sold | $5.2K |
| Jun 16, 2026 | Adam Houghton (C-suite exec) | Sold | $4.3K |
| Jun 16, 2026 | Allison Ambrose (General Counsel) | Sold | $2.9K |
| Jun 9, 2026 | Liam Ratcliffe (Insider) | Bought (not open market) | — |
| Jun 9, 2026 | Harold Edward Fleming (Insider) | Bought (not open market) | — |
| Jun 9, 2026 | Erez Chimovits (Insider) | Bought (not open market) | — |
| Jun 9, 2026 | Daniella Beckman (Insider) | Bought (not open market) | — |
| Jun 9, 2026 | Marcella K. Ruddy (Insider) | Bought (not open market) | — |
| Jun 9, 2026 | Ronald C Renaud JR (Insider) | Bought (not open market) | — |
| Mar 16, 2026 | Everett Rand Sutherland (CEO) | Sold | $19.4K |
| Mar 16, 2026 | Aaron Deykin (C-suite exec) | Sold | $8.3K |
| Mar 16, 2026 | Michael Gray (CFO) | Sold | $7.9K |
| Mar 16, 2026 | Adam Houghton (C-suite exec) | Sold | $6.5K |
| Mar 16, 2026 | Allison Ambrose (General Counsel) | Sold | $4.4K |
| Jan 2, 2026 | Allison Ambrose (General Counsel) | Bought (not open market) | — |
| Jan 2, 2026 | Michael Gray (CFO) | Bought (not open market) | — |
| Jan 2, 2026 | Michael Gray (CFO) | Bought (not open market) | — |
| Jan 2, 2026 | Everett Rand Sutherland (CEO) | Bought (not open market) | — |
| Jan 2, 2026 | Everett Rand Sutherland (CEO) | Bought (not open market) | — |
| Jan 2, 2026 | Adam Houghton (C-suite exec) | Bought (not open market) | — |
| Jan 2, 2026 | Adam Houghton (C-suite exec) | Bought (not open market) | — |
| Jan 2, 2026 | Allison Ambrose (General Counsel) | Bought (not open market) | — |
| Jan 2, 2026 | Aaron Deykin (C-suite exec) | Bought (not open market) | — |
Who's trading UPB
- Michael Gray, CFO: sold $13.1K (2 sales), last Jun 16, 2026
- Adam Houghton, C-suite exec: sold $10.8K (2 sales), last Jun 16, 2026
- Allison Ambrose, General Counsel: sold $7.3K (2 sales), last Jun 16, 2026
- Aaron Deykin, C-suite exec: sold $13.8K (2 sales), last Jun 16, 2026
- Everett Rand Sutherland, CEO: sold $32.2K (2 sales), last Jun 16, 2026
- Marcella K. Ruddy, Insider: other filings, last Jun 9, 2026
- Ronald C Renaud JR, Insider: other filings, last Jun 9, 2026
- Daniella Beckman, Insider: other filings, last Jun 9, 2026
- Erez Chimovits, 10% owner: other filings, last Jun 9, 2026
- Harold Edward Fleming, Insider: other filings, last Jun 9, 2026
- Liam Ratcliffe, Insider: other filings, last Jun 9, 2026
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