Home/Filings/4/0000950170-24-114681
4//SEC Filing

Ratcliffe Liam 4

Accession 0000950170-24-114681

CIK 0002022626other

Filed

Oct 14, 8:00 PM ET

Accepted

Oct 15, 4:15 PM ET

Size

5.2 KB

Accession

0000950170-24-114681

Insider Transaction Report

Form 4
Period: 2024-10-10
Transactions
  • Award

    Stock Option (Right to Buy)

    2024-10-10+17,09617,096 total
    Exercise: $17.00Exp: 2034-10-09Common Stock (17,096 underlying)
Footnotes (1)
  • [F1]The shares underlying this option shall vest upon the earlier of (i) October 10, 2025 and (ii) the date of the next Annual Meeting of Stockholders of the Issuer, subject to the Reporting Person's continued service on such vesting date.

Documents

1 file

Issuer

Upstream Bio, Inc.

CIK 0002022626

Entity typeother

Related Parties

1
  • filerCIK 0001547100

Filing Metadata

Form type
4
Filed
Oct 14, 8:00 PM ET
Accepted
Oct 15, 4:15 PM ET
Size
5.2 KB