4//SEC Filing
Larkin Cristina 4
Accession 0000899243-18-019568
CIK 0001701108other
Filed
Jul 5, 8:00 PM ET
Accepted
Jul 6, 9:45 PM ET
Size
9.0 KB
Accession
0000899243-18-019568
Insider Transaction Report
Form 4
Larkin Cristina
Chief Operating Officer
Transactions
- Exercise/Conversion
Common Stock
2018-07-05$5.90/sh+4,000$23,600→ 5,500 total - Sale
Common Stock
2018-07-05$17.50/sh−4,000$70,000→ 1,500 total - Exercise/Conversion
Stock Option (Right to Buy)
2018-07-05−4,000→ 20,434 totalExercise: $5.90Exp: 2027-07-05→ Common Stock (4,000 underlying)
Footnotes (2)
- [F1]The option exercises and related sales reported in this Form 4 were made pursuant to a Rule 10b5-1 trading plan previously entered into by the Reporting Person in December 2017.
- [F2]The shares underlying this option vested as to 25% on March 7, 2017, with the remainder vesting in 36 equal monthly installments thereafter, subject to the Reporting Person's continued service through the applicable vesting date.
Documents
Issuer
Spero Therapeutics, Inc.
CIK 0001701108
Entity typeother
Related Parties
1- filerCIK 0001721173
Filing Metadata
- Form type
- 4
- Filed
- Jul 5, 8:00 PM ET
- Accepted
- Jul 6, 9:45 PM ET
- Size
- 9.0 KB