4//SEC Filing
Keutzer Timothy 4
Accession 0000950170-25-014866
CIK 0001701108other
Filed
Feb 4, 7:00 PM ET
Accepted
Feb 5, 9:04 PM ET
Size
10.2 KB
Accession
0000950170-25-014866
Insider Transaction Report
Form 4
Keutzer Timothy
Chief Operating Officer
Transactions
- Award
Common Stock
2025-02-03+266,139→ 797,976 total - Sale
Common Stock
2025-02-05$0.78/sh−3,974$3,100→ 794,002 total - Sale
Common Stock
2025-02-05$0.78/sh−27,643$21,562→ 766,359 total - Sale
Common Stock
2025-02-05$0.78/sh−24,920$19,438→ 741,439 total
Footnotes (4)
- [F1]Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest in four equal annual installments beginning on February 3, 2026, subject to the Reporting Person's continued service through the applicable vesting date.
- [F2]The reported transaction is a sale of common stock effected to cover tax withholding obligations pursuant to a "sell to cover" provision included in each RSU Agreement in connection with the vesting of RSUs that were granted to the Reporting Person on February 1, 2022.
- [F3]The reported transaction is a sale of common stock effected to cover tax withholding obligations pursuant to a "sell to cover" provision included in each RSU Agreement in connection with the vesting of RSUs that were granted to the Reporting Person on February 1, 2023.
- [F4]The reported transaction is a sale of common stock effected to cover tax withholding obligations pursuant to a "sell to cover" provision included in each RSU Agreement in connection with the vesting of RSUs that were granted to the Reporting Person on February 1, 2024.
Documents
Issuer
Spero Therapeutics, Inc.
CIK 0001701108
Entity typeother
Related Parties
1- filerCIK 0001798155
Filing Metadata
- Form type
- 4
- Filed
- Feb 4, 7:00 PM ET
- Accepted
- Feb 5, 9:04 PM ET
- Size
- 10.2 KB