SYBX Insider Trading
Insider Ownership Percentage: 2.62%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $3,086.48
Synlogic Share Price & Price History
Current Price: $1.15
Price Change: ▼ Price Decrease of -0.15 (-11.54%)
As of 12/4/2025 05:00 PM ET
Synlogic Insider Trading History
| Transaction Date | Insider Name | Title | Buy/Sell | Number of Shares | Average Share Price | Total Transaction | Shares Held After Transaction | Details |
|---|
| 10/29/2025 | Mary Beth Dooley | Insider | Sell | 157 | $1.81 | $284.17 | 12,744 |  |
| 2/3/2025 | Mary Beth Dooley | Insider | Sell | 2,107 | $1.33 | $2,802.31 | 13,045 | |
| 10/29/2024 | Mary Beth Dooley | Insider | Sell | 79 | $1.40 | $110.60 | 15,152 | |
| 4/2/2024 | Antoine Awad | COO | Sell | 372 | $1.73 | $643.56 | 33,859 | |
| 4/2/2024 | Mary Beth Dooley | Insider | Sell | 188 | $1.73 | $325.24 | 15,231 | |
| 4/3/2023 | Antoine Awad | COO | Sell | 429 | $8.70 | $3,732.30 | 4,982 | |
| 4/3/2023 | Aoife Brennan | Insider | Sell | 1,269 | $8.70 | $11,040.30 | 17,086 | |
| 4/3/2023 | Michael Vangsted Jensen | CFO | Sell | 170 | $8.70 | $1,479.00 | 3,129 | |
Synlogic Institutional Trading History
| Reporting Date | Hedge Fund | Shares Held | Market Value | % of Portfolio | Quarterly Change in Shares | Ownership in Company | Details |
|---|
| 11/17/2025 | Citadel Advisors LLC | 29,011 | $49K | 0.0% | N/A | 0.248% |  |
| 2/13/2025 | Renaissance Technologies LLC | 22,310 | $31K | 0.0% | -69.0% | 0.191% | |
| 11/13/2024 | FMR LLC | 166,724 | $0.25M | 0.0% | -27.6% | 1.425% | |
| 8/9/2024 | Renaissance Technologies LLC | 100,530 | $0.15M | 0.0% | -15.1% | 0.859% | |
| 2/13/2024 | Armistice Capital LLC | 1,055,000 | $4.06M | 0.1% | +75.9% | 11.480% | |
| 1/8/2024 | Harbor Capital Advisors Inc. | 30,685 | $0.12M | 0.0% | +43.4% | 0.334% | |
| 11/15/2023 | Armistice Capital LLC | 599,874 | $1.69M | 0.0% | N/A | 13.098% | |
| 11/13/2023 | WINTON GROUP Ltd | 12,401 | $35K | 0.0% | N/A | 0.271% | |
| 10/20/2023 | Harbor Capital Advisors Inc. | 21,403 | $60K | 0.0% | -92.6% | 0.467% | |
| 7/31/2023 | PVG Asset Management Corp | 68,455 | $29K | 0.1% | -31.7% | 0.100% | |
| 7/11/2023 | Harbor Capital Advisors Inc. | 290,605 | $0.13M | 0.0% | +10.1% | 0.426% | |
| 4/26/2023 | Harbor Capital Advisors Inc. | 264,026 | $0.17M | 0.0% | -15.3% | 0.387% | |
| 1/13/2023 | Flagship Harbor Advisors LLC | 40,000 | $30K | 0.0% | -28.6% | 0.057% | |
| 11/14/2022 | RA Capital Management L.P. | 4,618,415 | $4.39M | 0.1% | -20.7% | 6.576% | |
| 11/14/2022 | UBS Oconnor LLC | 465,741 | $0.44M | 0.0% | -14.2% | 0.663% | |
| 10/28/2022 | Harbor Capital Advisors Inc. | 318,309 | $0.30M | 0.3% | -10.0% | 0.453% | |
| 8/12/2022 | Ikarian Capital LLC | 474,360 | $0.55M | 0.1% | -8.7% | 0.675% | |
| 8/4/2022 | Royce & Associates LP | 434,041 | $0.50M | 0.0% | -10.3% | 0.618% | |
| 5/5/2022 | UMA Financial Services Inc. | 17,302 | $30K | 0.0% | N/A | 0.025% | |
| 4/28/2022 | Harbor Capital Advisors Inc. | 354,998 | $0.85M | 0.4% | -18.9% | 0.509% | |
| 2/15/2022 | Stonepine Capital Management LLC | 1,064,135 | $2.58M | 1.2% | +6.4% | 1.527% | |
| 2/14/2022 | Opaleye Management Inc. | 850,000 | $2.06M | 0.4% | N/A | 1.219% | |
| 2/14/2022 | LMR Partners LLP | 550,000 | $1.33M | 0.0% | +10.0% | 0.789% | |
| 2/10/2022 | Acadian Asset Management LLC | 77,655 | $0.19M | 0.0% | +796.3% | 0.111% | |
| 2/10/2022 | Connor Clark & Lunn Investment Management Ltd. | 32,161 | $78K | 0.0% | N/A | 0.046% | |
| 2/9/2022 | Dimensional Fund Advisors LP | 632,168 | $1.53M | 0.0% | -11.4% | 0.907% | |
| 2/4/2022 | Harbor Capital Advisors Inc. | 437,550 | $1.06M | 0.4% | N/A | 0.628% | |
| 11/16/2021 | Suvretta Capital Management LLC | 60,000 | $0.18M | 0.0% | N/A | 0.115% | |
| 11/16/2021 | Two Sigma Advisers LP | 402,900 | $1.23M | 0.0% | -41.4% | 0.769% | |
| 11/16/2021 | Two Sigma Investments LP | 447,650 | $1.37M | 0.0% | -32.9% | 0.855% | |
| 11/16/2021 | Laurion Capital Management LP | 80,100 | $0.24M | 0.0% | N/A | 0.153% | |
| 11/15/2021 | RA Capital Management L.P. | 6,666,666 | $20.33M | 0.3% | N/A | 12.729% | |
| 11/15/2021 | Caas Capital Management LP | 50,000 | $0.15M | 0.0% | N/A | 0.095% | |
| 11/15/2021 | Dimensional Fund Advisors LP | 713,889 | $2.18M | 0.0% | -25.1% | 1.363% | |
| 11/15/2021 | Franklin Resources Inc. | 101,700 | $0.31M | 0.0% | N/A | 0.194% | |
| 11/12/2021 | Renaissance Technologies LLC | 188,672 | $0.58M | 0.0% | -28.6% | 0.360% | |
| 11/12/2021 | Stonepine Capital Management LLC | 1,000,000 | $3.05M | 1.4% | N/A | 1.909% | |
| 11/12/2021 | Magnetar Financial LLC | 32,881 | $100K | 0.0% | N/A | 0.063% | |
| 11/9/2021 | BlackRock Inc. | 372,959 | $1.14M | 0.0% | +1.6% | 0.712% | |
| 11/9/2021 | Monashee Investment Management LLC | 150,000 | $0.46M | 0.1% | N/A | 0.286% | |
| 11/2/2021 | Raymond James & Associates | 11,000 | $34K | 0.0% | N/A | 0.021% | |
| 10/29/2021 | Janney Montgomery Scott LLC | 11,000 | $34K | 0.0% | -53.2% | 0.021% | |
| 8/16/2021 | State Street Corp | 75,056 | $0.29M | 0.0% | N/A | 0.143% | |
Data available starting January 2016
Synlogic, Inc., a clinical-stage biopharmaceutical company, engages in the discovery and development of synthetic biotics to treat metabolic diseases in the United States. Its pipeline include SYNB1618, an orally administered, non-systemically absorbed drug candidate to treat phenylketonuria; SYNB1934, an orally administered, non-systemically absorbed drug candidate, which is in Phase III clinical trial to treat phenylketonuria; SYNB1353, an orally administered, non-systemically absorbed drug candidate, which is in Phase I clinical to treat homocystinuria; SYNB8802, an orally administered, non-systemically absorbed drug candidate that is in Phase II clinical trial for the treatment of enteric hyperoxaluria; and SYNB2081 to lower uric acid for the potential treatment of gout. The company has a collaboration agreement with F. Hoffmann-La Roche Ltd and Hoffmann-La Roche Inc. for the research and pre-clinical development of a synthetic biotic medicine for the treatment of inflammatory bowel disease; and Ginkgo Bioworks, Inc. Synlogic, Inc. is based in Cambridge, Massachusetts.
Read More on Synlogic
Volume
731,726 shs
Average Volume
30,882 shs
Market Capitalization
$13.46 million
P/E Ratio
N/A
Dividend Yield
N/A
Beta
0.36
Who are the company insiders with the largest holdings of Synlogic?
Who are the major institutional investors of Synlogic?
Which major investors are buying Synlogic stock?
During the last quarter, SYBX stock was bought by institutional investors including:
- Citadel Advisors LLC
