Zack Debra
SEC insider (Form 3/4/5 filer). CIK 0001807743. Chief Medical Officer at Spero Therapeutics, Inc. (SPRO). 1 reported Form 4/5 transaction since Sep 2024; latest on Aug 3, 2026. Located in CAMBRIDGE, MA.
Companies Zack Debra has filed insider reports for
- Spero Therapeutics, Inc. (SPRO): Officer, Chief Medical Officer
Zack Debra
CIK: 0001807743
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)1 (100.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
SPRO
Spero Therapeutics, Inc.
Officer