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Upstream Bio, Inc. Common Stock (UPB)

XNAS: UPB · USD
$4.17at end of selection
−79.23%

−$15.91 per share

Oct 13, 2025 – Oct 12, 2026

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15-min delayed · Oct 12, 2026Drag to select ↔

Upstream Bio, Inc. Common Stock (UPB) price history

Upstream Bio, Inc. Common Stock trades under UPB on XNAS. Over Oct 13, 2025 – Oct 12, 2026, the available closing prices moved from $20.08 to $4.17, a change of −79.23%.

Prices through . 15-min delayed. Split-adjusted price change in USD; dividends are not included. These are historical observations, not a live quote.

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