4//SEC Filing
Breum Casper 4
Accession 0000899243-18-015327
CIK 0001701108other
Filed
Jun 5, 8:00 PM ET
Accepted
Jun 6, 8:01 PM ET
Size
5.5 KB
Accession
0000899243-18-015327
Insider Transaction Report
Form 4
Breum Casper
Director
Transactions
- Award
Stock Option (right to buy)
2018-06-05+6,073→ 6,073 totalExercise: $11.54Exp: 2028-06-05→ Common Stock (6,073 underlying)
Footnotes (1)
- [F1]The shares underlying this option will vest and become exercisable in full on June 5, 2019, subject to the Reporting Person's continued service as a director through the vesting date.
Documents
Issuer
Spero Therapeutics, Inc.
CIK 0001701108
Entity typeother
Related Parties
1- filerCIK 0001630850
Filing Metadata
- Form type
- 4
- Filed
- Jun 5, 8:00 PM ET
- Accepted
- Jun 6, 8:01 PM ET
- Size
- 5.5 KB