Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2025-04-02 Sale | 2025-04-03 4:30 pm | SYNLOGIC INC. | SYBX | Dooley Mary Beth See Remarks below | 144 | $1.2 | $173 | 12,901 (Direct) | View |
| 2025-02-03 Sale | 2025-02-04 5:53 pm | SYNLOGIC INC. | SYBX | Dooley Mary Beth See Remarks below | 2,107 | $1.33 | $2,802 | 13,045 (Direct) | View |
| 2024-10-29 Sale | 2024-10-30 7:21 pm | SYNLOGIC INC. | SYBX | Dooley Mary Beth Head of Finance | 79 | $1.4 | $111 | 15,152 (Direct) | View |
| 2024-04-02 Sale | 2024-04-04 4:00 pm | SYNLOGIC INC. | SYBX | Dooley Mary Beth Head of Finance | 188 | $1.73 | $325 | 15,231 (Direct) | View |
| 2024-04-02 Sale | 2024-04-04 4:00 pm | SYNLOGIC INC. | SYBX | Awad Antoine Chief Operating Officer | 372 | $1.73 | $644 | 33,859 (Direct) | View |
| 2023-04-03 Sale | 2023-04-05 4:15 pm | SYNLOGIC INC. | SYBX | Brennan Aoife See Remarks | 19,042 | $0.5758 | $10,964 | 256,301 (Direct) | View |
| 2023-04-03 Sale | 2023-04-05 4:15 pm | SYNLOGIC INC. | SYBX | Awad Antoine Chief Operating Officer | 6,438 | $0.5758 | $3,707 | 74,732 (Direct) | View |
| 2023-04-03 Sale | 2023-04-05 4:15 pm | SYNLOGIC INC. | SYBX | JENSEN MICHAEL VANGSTED Chief Financial Officer | 2,553 | $0.5758 | $1,470 | 46,947 (Direct) | View |
| 2022-05-24 Purchase | 2022-05-25 4:10 pm | SYNLOGIC INC. | SYBX | JENSEN MICHAEL VANGSTED Chief Financial Officer | 9,500 | $1.12 | $10,640 | 39,500 (Direct) | View |
| 2022-04-04 Sale | 2022-04-06 4:39 pm | SYNLOGIC INC. | SYBX | Brennan Aoife See Remarks | 8,894 | $2.4459 | $21,754 | 275,343 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2025-04-26 Option Award | 2025-04-29 4:46 pm | N/A N/A | SYNLOGIC INC. | SYBX | Shea Richard P Director | 15,000 | $0 | 15,506 (Direct) | View |
| 2025-04-26 Option Award | 2025-04-29 4:43 pm | N/A N/A | SYNLOGIC INC. | SYBX | Flynn James P Director | 15,000 | $0 | 15,000 (Direct) | View |
Ownership | 2024-03-21 5:10 pm | N/A N/A | SYNLOGIC INC. | SYBX | Dooley Mary Beth Head of Finance | 0 | $0 | 30,409 (Direct) | View |
| 2024-03-19 Option Award | 2024-03-21 5:09 pm | N/A 2034-03-19 | SYNLOGIC INC. | SYBX | Flynn James P Director | 4,000 | $0 | 4,000 (Direct) | View |
Ownership | 2024-02-16 4:54 pm | N/A N/A | SYNLOGIC INC. | SYBX | Funicular Funds LP Cable Car Capital LLC Ma-Weaver Jacob 10% Owner | 0 | $0 | 3,312,219 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 4:00 pm | N/A 2034-01-02 | SYNLOGIC INC. | SYBX | Hurter Patricia N. Director | 14,678 | $0 | 14,678 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 4:00 pm | N/A 2034-01-02 | SYNLOGIC INC. | SYBX | Barrett Peter Director | 24,923 | $0 | 24,923 (Direct) | View |
| 2023-11-10 Option Award | 2023-11-14 7:23 pm | N/A 2027-05-15 | SYNLOGIC INC. | SYBX | Brennan Aoife President and CEO | 147,214 | $0 | 147,214 (Direct) | View |
| 2023-11-10 Option Award | 2023-11-14 7:22 pm | N/A 2032-03-03 | SYNLOGIC INC. | SYBX | JENSEN MICHAEL VANGSTED Chief Financial Officer | 35,330 | $0 | 35,330 (Direct) | View |
| 2023-11-10 Option Award | 2023-11-14 7:22 pm | N/A 2029-02-28 | SYNLOGIC INC. | SYBX | Awad Antoine Chief Operating Officer | 52,693 | $0 | 52,693 (Direct) | View |
Ownership | 2023-10-06 4:50 pm | N/A N/A | SYNLOGIC INC. | SYBX | New Enterprise Associates 14 L.P. NEA Partners 14 L.P. NEA 14 GP LTD BASKETT FOREST Florence Anthony A. Jr. KERINS PATRICK J SANDELL SCOTT D 10% Owner | 0 | $0 | 5,563,618 (Direct) | View |
| 2023-06-22 Option Award | 2023-06-26 3:46 pm | N/A 2033-06-22 | SYNLOGIC INC. | SYBX | Mathers Edward T Director | 30,000 | $0 | 30,000 (Direct) | View |
| 2023-06-22 Option Award | 2023-06-26 2:28 pm | N/A 2033-06-22 | SYNLOGIC INC. | SYBX | Shea Richard P Director | 30,000 | $0 | 30,000 (Direct) | View |
| 2023-06-22 Option Award | 2023-06-26 2:25 pm | N/A 2033-06-22 | SYNLOGIC INC. | SYBX | Leschly Nick Director | 30,000 | $0 | 30,000 (Direct) | View |
| 2023-06-22 Option Award | 2023-06-26 2:21 pm | N/A 2033-06-22 | SYNLOGIC INC. | SYBX | Burgess Michael F. Director | 30,000 | $0 | 30,000 (Direct) | View |
| 2023-06-22 Option Award | 2023-06-26 2:21 pm | N/A 2033-06-22 | SYNLOGIC INC. | SYBX | Kelly-Croswell Lisa Director | 30,000 | $0 | 30,000 (Direct) | View |
| 2023-06-22 Option Award | 2023-06-26 2:20 pm | N/A 2033-06-22 | SYNLOGIC INC. | SYBX | Heffernan Michael Thomas Director | 30,000 | $0 | 30,000 (Direct) | View |
| 2023-06-22 Option Award | 2023-06-26 2:17 pm | N/A 2033-06-22 | SYNLOGIC INC. | SYBX | Hurter Patricia N. Director | 30,000 | $0 | 30,000 (Direct) | View |
| 2023-06-22 Option Award | 2023-06-26 2:06 pm | N/A 2033-06-22 | SYNLOGIC INC. | SYBX | Barrett Peter Director | 30,000 | $0 | 30,000 (Direct) | View |
| 2023-01-03 Option Award | 2023-01-04 5:26 pm | N/A 2033-01-03 | SYNLOGIC INC. | SYBX | Barrett Peter Director | 156,130 | $0 | 156,130 (Direct) | View |
| 2023-01-03 Option Award | 2023-01-04 5:22 pm | N/A 2033-01-03 | SYNLOGIC INC. | SYBX | Hurter Patricia N. Director | 91,954 | $0 | 91,954 (Direct) | View |
| 2022-06-09 Option Award | 2022-06-13 4:45 pm | N/A 2032-06-09 | SYNLOGIC INC. | SYBX | Mathers Edward T Director | 27,000 | $0 | 27,000 (Direct) | View |
| 2022-06-09 Option Award | 2022-06-13 4:15 pm | N/A 2032-06-09 | SYNLOGIC INC. | SYBX | Leschly Nick Director | 27,000 | $0 | 27,000 (Direct) | View |
| 2022-06-09 Option Award | 2022-06-13 4:15 pm | N/A 2032-06-09 | SYNLOGIC INC. | SYBX | Barrett Peter Director | 27,000 | $0 | 27,000 (Direct) | View |
| 2022-06-09 Option Award | 2022-06-13 4:15 pm | N/A 2032-06-09 | SYNLOGIC INC. | SYBX | Burgess Michael F. Director | 27,000 | $0 | 27,000 (Direct) | View |
| 2022-06-09 Option Award | 2022-06-13 4:15 pm | N/A 2032-06-09 | SYNLOGIC INC. | SYBX | Hurter Patricia N. Director | 27,000 | $0 | 27,000 (Direct) | View |
| 2022-06-09 Option Award | 2022-06-13 4:15 pm | N/A 2032-06-09 | SYNLOGIC INC. | SYBX | Heffernan Michael Thomas Director | 27,000 | $0 | 27,000 (Direct) | View |
| 2022-06-09 Option Award | 2022-06-13 4:15 pm | N/A 2032-06-09 | SYNLOGIC INC. | SYBX | Kelly-Croswell Lisa Director | 27,000 | $0 | 27,000 (Direct) | View |
| 2022-06-09 Option Award | 2022-06-13 4:15 pm | N/A 2032-06-09 | SYNLOGIC INC. | SYBX | Shea Richard P Director | 27,000 | $0 | 27,000 (Direct) | View |