Frank E. Thomas - Oct 5, 2023 Form 4 Insider Report for Spero Therapeutics, Inc. (SPRO)

Role
Director
Signature
/s/ Tamara Joseph, Attorney-in-Fact for Frank E. Thomas
Stock symbol
SPRO
Transactions as of
Oct 5, 2023
Transactions value $
$0
Form type
4
Date filed
10/10/2023, 05:39 PM
Previous filing
May 11, 2023
Next filing
Jan 24, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SPRO Common Stock Award $0 +20K +133.33% $0.00 35K Oct 5, 2023 Direct F1
* 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 on October 5, 2024, subject to the Reporting Person's continued service through the applicable vesting date.