Dooley Mary Beth sold SYNLOGIC, INC. ($SYBX) shares on the open market twice in the last 365 days, totaling $457. Her most recent sale occurred on October 29, 2025. These SYBX insider sales rank 11,570th among 11,678 individuals in our database, where the average sale amount is about $8.6 million across 6.37 transactions on average. Dooley Mary Beth made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct. 29, 2025 | SYNLOGIC, INC. | $SYBX | Dooley Mary Beth | See Remarks below | S | Common Stock | 157 | $1.81 | 12,744.0000 | 12,319,212 | 1.22% | 0.00% |
| April 2, 2025 | SYNLOGIC, INC. | $SYBX | Dooley Mary Beth | See Remarks below | S | Common Stock | 144 | $1.20 | 12,901.0000 | 12,196,209 | 1.10% | 0.00% |
| Feb. 3, 2025 | SYNLOGIC, INC. | $SYBX | Dooley Mary Beth | See Remarks below | S | Common Stock | 2107 | $1.33 | 13,045.0000 | 12,196,209 | 13.91% | 0.02% |
| Oct. 29, 2024 | SYNLOGIC, INC. | $SYBX | Dooley Mary Beth | Head of Finance | S | Common Stock | 79 | $1.40 | 15,152.0000 | 12,223,922 | 0.52% | 0.00% |
| April 2, 2024 | SYNLOGIC, INC. | $SYBX | Dooley Mary Beth | Head of Finance | S | Common Stock | 188 | $1.73 | 15,231.0000 | 6,502,279 | 1.22% | 0.00% |