Upstream Bio, Inc. · NASDAQ:UPB

Gray Michael sold 853 Upstream Bio, Inc. shares (Form 4)

Traded Sep 16, 2026 · Filed Sep 17, 2026

On Sep 16, 2026, Gray Michael (CFO and COO) sold 853 Upstream Bio, Inc. shares at US$5.49 for US$4,683, leaving 27,942 shares. Filed Sep 17, 2026 (Form 4).

Sold
853 shares
Price
US$5.49
Value
US$4,683
Holding after
27,942 shares
Trading plan
No
Role
CFO and COO

The filing in full

DateSecurityTransactionSharesPriceHolding afterOwnership
Sep 16, 2026Common StockSale853US$5.4927,942Direct

Source

View original at SEC

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