4//SEC Filing
Rajavelu Esther 4
Accession 0000950170-25-064821
CIK 0001701108other
Filed
May 5, 8:00 PM ET
Accepted
May 6, 8:01 PM ET
Size
5.0 KB
Accession
0000950170-25-064821
Insider Transaction Report
Form 4
Rajavelu Esther
CFO & CBO
Transactions
- Award
Common Stock
2025-05-02+185,000→ 909,720 total
Footnotes (1)
- [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 May 2, 2026, 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 0001903716
Filing Metadata
- Form type
- 4
- Filed
- May 5, 8:00 PM ET
- Accepted
- May 6, 8:01 PM ET
- Size
- 5.0 KB