FRANK E. THOMAS - 05 Oct 2023 Form 4 Insider Report for Spero Therapeutics, Inc. (SPRO)

Role
Director
Signature
/s/ Tamara Joseph, Attorney-in-Fact for Frank E. Thomas
Issuer symbol
SPRO
Transactions as of
05 Oct 2023
Net transactions value
$0
Form type
4
Filing time
10 Oct 2023, 17:39:37 UTC
Previous filing
11 May 2023
Next filing
24 Jan 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SPRO Common Stock Award $0 +20,000 +133% $0.000000 35,000 05 Oct 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.