JOSEPH TAMARA L 4
4 · Spero Therapeutics, Inc. · Filed Feb 3, 2023
Insider Transaction Report
Form 4
JOSEPH TAMARA L
Chief Legal Officer
Transactions
- Award
Common Stock
2023-02-01+265,957→ 328,038 total - Sale
Common Stock
2023-02-02$1.86/sh−3,394$6,313→ 324,644 total
Footnotes (3)
- [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 1, 2024, subject to the Reporting Person's continued service through the applicable vesting date.
- [F2]Includes 312,518 RSUs held by the Reporting Person.
- [F3]The reported transaction is a sale of common stock effected to cover tax withholding obligations in connection with the vesting of RSUs that were granted to the Reporting Person on February 1, 2022 pursuant to a "sell to cover" provision included in the RSU Agreement.