4//SEC Filing
JOSEPH TAMARA L 4
Accession 0000899243-20-032557
CIK 0001701108other
Filed
Dec 1, 7:00 PM ET
Accepted
Dec 2, 6:05 PM ET
Size
5.6 KB
Accession
0000899243-20-032557
Insider Transaction Report
Form 4
JOSEPH TAMARA L
Chief Legal Officer
Transactions
- Award
Stock Option (right to buy)
2020-12-02+75,000→ 75,000 totalExercise: $17.28Exp: 2030-12-02→ Common Stock (75,000 underlying)
Footnotes (1)
- [F1]The shares underlying this option vest as to 25% on December 2, 2021, with the remainder vesting in 36 equal monthly installments thereafter, subject to the Reporting Person's continued service through the applicable vesting dates.
Documents
Issuer
Spero Therapeutics, Inc.
CIK 0001701108
Entity typeother
Related Parties
1- filerCIK 0001433991
Filing Metadata
- Form type
- 4
- Filed
- Dec 1, 7:00 PM ET
- Accepted
- Dec 2, 6:05 PM ET
- Size
- 5.6 KB