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Upstream Bio, Inc.·4

Feb 7, 5:31 PM ET

GRAY MICHAEL 4

4 · Upstream Bio, Inc. · Filed Feb 7, 2025

Insider Transaction Report

Form 4
Period: 2025-02-06
Upstream Bio, Inc.UPB
GRAY MICHAEL
CFO and COO
Transactions
  • Award

    Stock Option (Right to Buy)

    2025-02-06+195,000→ 195,000 total
    Exercise: $8.53Exp: 2035-02-05→ Common Stock (195,000 underlying)
Footnotes (1)
  • [F1]The shares underlying this option shall vest in forty-eight equal monthly installments following February 6, 2025, subject to the Reporting Person's continued service on each such vesting date.

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