← Latest Filings
K
Keutzer Timothy
Open-market buys
0
$0 total
Open-market sells
4
$145K total
Tracking since
Feb 2026
Activity timeline
Open-market sale — $44K
Spero Therapeutics, Inc. · Feb 6, 2026
Open-market sale — $8K
Spero Therapeutics, Inc. · Feb 4, 2026
Open-market trades from the last two years.
Holdings as last reported
742,506 Common Stock in SPRO
Held directly · as of 2026-02-06
137,000 Stock Option (Right to Buy) in SPRO
Held directly · as of 2026-02-02
Companies touched
Spero Therapeutics, Inc.
CIK 0001701108
