4//SEC Filing
Deykin Aaron 4
Accession 0000950170-25-016466
CIK 0002022626other
Filed
Feb 6, 7:00 PM ET
Accepted
Feb 7, 5:29 PM ET
Size
13.7 KB
Accession
0000950170-25-016466
Insider Transaction Report
Form 4
Deykin Aaron
Chief Medical Officer
Transactions
- Award
Stock Option (Right to Buy)
2025-02-06+165,000→ 165,000 totalExercise: $8.53Exp: 2035-02-05→ Common Stock (165,000 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.
Documents
Issuer
Upstream Bio, Inc.
CIK 0002022626
Entity typeother
Related Parties
1- filerCIK 0002031693
Filing Metadata
- Form type
- 4
- Filed
- Feb 6, 7:00 PM ET
- Accepted
- Feb 7, 5:29 PM ET
- Size
- 13.7 KB