UPB chart

Upstream Bio, Inc. · Quote, news and financials

3.41 USD
+0.14 +4.28%
Bid
3.40 × 2
Ask
3.41 × 2

Extended hours 3.35 -1.76%

As of Oct 30, 2026

MAX chart

Closing price and volume

UPB all-time price chart2.6810.418.225.933.7Oct 24Mar 25Aug 25Jan 26Jun 26Oct 26