SYNLOGIC INC (SYBX) Stock Ownership

NASDAQ:SYBX • US87166L2097

0.56 USD
-0.56 (-50%)
At close: Jan 20, 2026
0.5753 USD
+0.02 (+2.73%)
After Hours: 1/20/2026, 8:21:57 PM
Overview Stock Chart Technical Analysis Fundamental Analysis Forecast Earnings Financials Ownership News
SYBX Ownership Chart.SYBX Ownership Chart: showing Insider, Institutional ownership and shares available to the public.SYBX Ownership.InsiderInstitutionalPublic



Shares Outstanding11.70M
Float10.34M
Float Short Interest Percentage0.13%
Owners (insider)11.06%
Owners (institutional)63.65%
Owners (insider) change0%
Owners (institutional) change3.37%
SYBX Institutional Ownership HistorySYBX Institutional Ownership HistorySYBX Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 10M 20M 30M 40M
SYBX Historical Insider Transactions ChartSYBX Historical Insider Buy and Sell Transactions ChartSYBX Historical Insider Transactions Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 0 10K 20K
Date Name Type Shares Price Amount
Oct 29, 2025 Dooley Mary Beth Open Market Sale 157 1.81 $ 284.17
Apr 26, 2025 Shea Richard P Grant 15000 0.00 $ 0.00
Apr 26, 2025 Flynn James P Grant 15000 0.00 $ 0.00
Apr 2, 2025 Dooley Mary Beth Open Market Sale 144 1.20 $ 172.80