Insider Cluster All stocks

UPB insider trading

Upstream Bio, Inc.

In the past 36 days, 5 insiders sold $28K.

Insider purchases

No open-market purchases by insiders in this period.

Insider sales

InsiderValueHoldingsPlanTraded / filed
Everett Rand Sutherland
Chief Executive Officer
$12K
2,095 sh @ $5.49
−3.0% Not pre-scheduled Sep 16, 2026
Filed Sep 17, 2026
Aaron Deykin
Chief Medical Officer
$5K
895 sh @ $5.49
−2.7% Not pre-scheduled Sep 16, 2026
Filed Sep 17, 2026
Michael Gray
CFO and COO
$5K
853 sh @ $5.49
−3.0% Not pre-scheduled Sep 16, 2026
Filed Sep 17, 2026
Adam Houghton
Chief Business Officer
$4K
700 sh @ $5.49
−3.0% Not pre-scheduled Sep 16, 2026
Filed Sep 17, 2026
Allison Ambrose
General Counsel
$3K
485 sh @ $5.49
−3.0% Not pre-scheduled Sep 16, 2026
Filed Sep 17, 2026