UPB Insider Trading Activity and SEC Form 4 Filings
UPB insider trading summary
Over the past 12 months, insiders at Upstream Bio, Inc. (UPB) reported 15 sales worth $105K by 5 insiders and no open-market purchases on SEC Form 4. Net insider selling was $105K.
Latest UPB insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Sep 16, 2026 | Everett Rand Sutherland | Chief Executive Officer | Sell | $12K (2,095 @ $5.49) |
| Sep 16, 2026 | Aaron Deykin | Chief Medical Officer | Sell | $5K (895 @ $5.49) |
| Sep 16, 2026 | Allison Ambrose | General Counsel | Sell | $3K (485 @ $5.49) |
| Sep 16, 2026 | Adam Houghton | Chief Business Officer | Sell | $4K (700 @ $5.49) |
| Sep 16, 2026 | Michael Gray | CFO and COO | Sell | $5K (853 @ $5.49) |
| Jun 16, 2026 | Michael Gray | CFO and COO | Sell | $5K (853 @ $6.10) |
| Jun 16, 2026 | Aaron Deykin | Chief Medical Officer | Sell | $5K (895 @ $6.10) |
| Jun 16, 2026 | Everett Rand Sutherland | Chief Executive Officer | Sell | $13K (2,095 @ $6.10) |
| Jun 16, 2026 | Adam Houghton | Chief Business Officer | Sell | $4K (700 @ $6.10) |
| Jun 16, 2026 | Allison Ambrose | General Counsel | Sell | $3K (477 @ $6.10) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.