Dooley Mary Beth
SEC insider (Form 3/4/5 filer). CIK 0002015112. Head of Finance at SYNLOGIC, INC. (SYBX). 4 reported Form 4/5 transactions since Sep 2024; latest on Oct 29, 2025. Located in WINCHESTER, MA.
Companies Dooley Mary Beth has filed insider reports for
- SYNLOGIC, INC. (SYBX): Officer, Head of Finance
Dooley Mary Beth
CIK: 0002015112
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)4 (100.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)0 (0.0%)
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)
SYBX
SYNLOGIC, INC.
Officer
Discretionary Trading P&L
Holdings
Transaction History (4 total)
- Oct 29, 2025SYBX
SYNLOGIC, INC.
SaleDirect157 shares at avg. $1.81$284.17 - Apr 2, 2025SYBX
SYNLOGIC, INC.
SaleDirect144 shares at avg. $1.20$172.8 - Feb 3, 2025SYBX
SYNLOGIC, INC.
SaleDirect2.1K shares at avg. $1.33$3K - Oct 29, 2024SYBX
SYNLOGIC, INC.
SaleDirect79 shares at avg. $1.40$110.6
1-4 of 4 transactions