Upstream Bio, Inc.·4

Jan 6, 5:15 PM ET

Sutherland Everett Rand 4

4 · Upstream Bio, Inc. · Filed Jan 6, 2026

Insider Transaction Report

Form 4
Period: 2026-01-02
Sutherland Everett Rand
DirectorChief Executive Officer
Transactions
  • Award

    Common Stock

    2026-01-02+75,00075,000 total
  • Award

    Stock Option (Right to Buy)

    2026-01-02+225,000225,000 total
    Exercise: $27.07Exp: 2036-01-01Common Stock (225,000 underlying)
Footnotes (2)
  • [F1]Represents restricted stock units ("RSUs") granted pursuant to the Issuer's 2024 Stock Option and Incentive Plan. Each RSU represents the contingent right to receive one share of the Issuer's Common Stock upon vesting. The RSUs shall vest in sixteen equal quarterly installments following January 1, 2026, subject to the Reporting Person's continued service on each such vesting date.
  • [F2]The shares underlying this option shall vest in forty-eight equal monthly installments following January 1, 2026, subject to the Reporting Person's continued service on each such vesting date.

Documents

1 file
  • 4
    ownership.xmlPrimary

    4