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UPB

Upstream Bio, Inc.

COMMON STOCK · NASDAQ

Price and daily changeSign in

Earnings4 Nov 2026

52-week rangeSign inDay rangeSign in

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Short interest: 7.48%
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Price chart (1D to 10Y)

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Source: SEC filings. Information and analytics, not investment advice.

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UPB stock Options — Upstream Bio, Inc. filings, insiders & smart money · Instaport