Synlogic Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

OTCPK:SYBX Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
29 Oct 25	SellUS$284	Mary Dooley	Individual		157	US$1.81

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of SYBX?
Owner Type	Number of Shares	Ownership Percentage
Institutions	1,345,904	11.5%
Individual Insiders	1,365,345	11.7%
Hedge Funds	3,926,507	33.6%
General Public	5,061,167	43.3%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 13 shareholders own 56.74% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
28.3%	Cable Car Capital LLC	3,312,219	US$2.4m	0%	0.88%
9.74%	Baselake Management, LLC	1,140,000	US$809.4k	0%	no data
6.27%	John Kryzanowski	733,412	US$520.7k	0%	no data
5.25%	Armistice Capital LLC	614,288	US$436.1k	0%	0.01%
4.44%	Bradley Radoff	520,000	US$369.2k	0%	no data
1.51%	Accomplice Management, LLC	176,798	US$125.5k	0%	0.04%
0.59%	Aoife Brennan	68,683	US$48.8k	0%	no data
0.2%	DRW Holdings, LLC	23,763	US$16.9k	-2.46%	no data
0.13%	Richard Shea	15,506	US$11.0k	0%	no data
0.13%	James Flynn	15,000	US$10.7k	0%	no data
0.11%	Mary Dooley	12,744	US$9.0k	0%	no data
0.045%	Pacific Life Fund Advisors LLC	5,323	US$3.8k	0%	no data
0.00017%	Hilltop National Bank	20	US$14.1	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/06/20 10:12
End of Day Share Price	2026/06/18 00:00
Earnings	2026/03/31
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Synlogic, Inc. is covered by 5 analysts. 0 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Christopher Howerton	Jefferies LLC
Joseph Schwartz	Leerink Partners LLC
Mark Breidenbach	Oppenheimer & Co. Inc.