Keutzer Timothy sold SPRO
August 28, 2025 · Form 4 insider transaction
Keutzer Timothy sold 1,695 shares of Spero Therapeutics, Inc. at $1.97 per share, a transaction worth $3.3K. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 6 days after the transaction.
Direction
Disposed (sell-side)
Shares
1,695
Price
$1.97
Total value
$3.3K
InsiderKeutzer Timothy
RoleOfficer
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateAugust 28, 2025
Filing dateSeptember 3, 2025
Shares owned after739,744
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The reported transaction is a sale of common stock effected to cover tax withholding obligations pursuant to a "sell to cover" provision included in each RSU Agreement in connection with the vesting of restricted stock units ("RSUs") that were granted to the Reporting Person on August 26, 2021.