Kamal Hamed - Feb 1, 2023 Form 4 Insider Report for Spero Therapeutics, Inc. (SPRO)

Role
Chief Medical Officer
Signature
/s/ Tamara Joseph, Attorney-in-Fact for Kamal Hamed
Stock symbol
SPRO
Transactions as of
Feb 1, 2023
Transactions value $
$0
Form type
4
Date filed
2/3/2023, 06:40 PM
Previous filing
Sep 14, 2022
Next filing
Jun 14, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SPRO Common Stock Award $0 +266K +126.65% $0.00 476K Feb 1, 2023 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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 475,957 RSUs held by the Reporting Person.