Key facts
- This page summarizes Frank E. Thomas's Form 4 filing for Spero Therapeutics, Inc. (SPRO).
- 1 reported transaction and 1 derivative row are listed below.
- Accepted by SEC: 07 Jan 2022, 16:09.
Key filing fact
Ownership activity is grounded in SEC Form 4 disclosures.
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
Award
Additional SEC filing notes
Footnote F1
This stock option shall vest in four quarterly installments on the last day of each calendar quarter during the calendar year subject to the Reporting Person's continued service as a non-employee director.
Footnote F2
This stock option was issued to the Reporting Person, who elected to take stock options in lieu of $20,000 in cash compensation for services as a director, pursuant to the Issuer's non-employee director compensation policy.
SEC remarks
Exhibit 24.1 - Power of Attorney