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
YTD chart
Closing price and volume
Upstream Bio, Inc. · Quote, news and financials
Extended hours 3.35 -1.76%
As of Oct 30, 2026
Closing price and volume