Cristina Larkin - Aug 26, 2021 Form 4 Insider Report for Spero Therapeutics, Inc. (SPRO)

Role
Chief Operating Officer
Signature
/s/ Matthew J. Gardella, Attorney-in-Fact for Cristina Larkin
Stock symbol
SPRO
Transactions as of
Aug 26, 2021
Transactions value $
$0
Form type
4
Date filed
8/30/2021, 04:15 PM
Next filing
Feb 3, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SPRO Common Stock Award $0 +24.1K +1604.47% $0.00 25.6K Aug 26, 2021 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 in four equal annual installments beginning on August 26, 2022, subject to the Reporting Person's continued service through the applicable vesting date.