3 insiders reported 4 Form 4 transactions for SYNLOGIC, INC. (SYBX) over the past 18 months (most recent 2025-10-31). Recent activity: Dooley Mary Beth (Principal Executive Officer and Principal Financial Officer) Sell 157 shares, Flynn James P (Director) Buy 15,000 shares, Shea Richard P (Director) Buy 15,000 shares, Dooley Mary Beth (Principal Executive Officer and Principal Financial Officer) Sell 144 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-10-31 | Dooley Mary Beth | Principal Executive Officer and Principal Financial Officer | Sell | 157 | $284 |
| 2025-04-29 | Flynn James P | Director | Buy | 15,000 | $0 |
| 2025-04-29 | Shea Richard P | Director | Buy | 15,000 | $0 |
| 2025-04-03 | Dooley Mary Beth | Principal Executive Officer and Principal Financial Officer | Sell | 144 | $173 |
来源：SEC Form 4 申报文件 · 截至 2025-10-31