4//SEC Filing
Keutzer Timothy 4
Accession 0000950170-25-112659
CIK 0001701108other
Filed
Sep 2, 8:00 PM ET
Accepted
Sep 3, 6:02 AM ET
Size
5.0 KB
Accession
0000950170-25-112659
Insider Transaction Report
Form 4
Keutzer Timothy
Chief Operating Officer
Transactions
- Sale
Common Stock
2025-08-28$1.97/sh−1,695$3,339→ 739,744 total
Footnotes (1)
- [F1]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 restricted stock units ("RSUs") that were granted to the Reporting Person on August 26, 2021.
Documents
Issuer
Spero Therapeutics, Inc.
CIK 0001701108
Entity typeother
Related Parties
1- filerCIK 0001798155
Filing Metadata
- Form type
- 4
- Filed
- Sep 2, 8:00 PM ET
- Accepted
- Sep 3, 6:02 AM ET
- Size
- 5.0 KB