Upstream Bio, Inc. (UPB)

NASDAQ: UPB · Real-Time Price · USD

9.51

+0.22 (2.37%)

At close: Apr 28, 2026, 4:00 PM EDT

9.50

-0.01 (-0.11%)

After-hours: Apr 28, 2026, 4:32 PM EDT

UPB Chart

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