One Stop Systems Ownership

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

Recent Insider Transactions

DB:5MU Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
06 Jun 25	Buy€2,561	Horton Capital Management, LLC	Company		900	€2.85
06 Jun 25	Sell€661,876	Horton Capital Management, LLC	Company		258,456	€2.82

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 5MU?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	3,142,353	12.8%
General Public	9,669,097	39.4%
Institutions	11,704,041	47.7%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 16.1%.

Top Shareholders

Top 25 shareholders own 49.58% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
7.85%	Stephen Cooper	1,923,572	€13.4m	0%	no data
4.43%	Barclays PLC	1,087,112	€7.6m	0%	0.01%
4.3%	The Vanguard Group, Inc.	1,054,266	€7.4m	20.8%	no data
3.74%	Horton Capital Management, LLC	917,343	€6.4m	0%	23.95%
3.47%	Bard Associates Inc.	850,858	€5.9m	-7.24%	1.76%
2.83%	Arrowstreet Capital, Limited Partnership	693,493	€4.8m	25.6%	no data
2.72%	Lynrock Lake LP	665,918	€4.7m	-53.9%	0.9%
2.46%	Jane Street Group, LLC	603,805	€4.2m	85.2%	0.01%
1.76%	Pacific Ridge Capital Partners, LLC	432,361	€3.0m	-3.01%	0.8%
1.63%	Kenneth Potashner	398,601	€2.8m	0%	no data
1.53%	Renaissance Technologies LLC	375,701	€2.6m	-4.44%	0.01%
1.33%	Archon Capital Management LLC	326,812	€2.3m	-31.5%	1.25%
1.12%	Marshall Wace LLP	273,935	€1.9m	-45.3%	no data
1.06%	Susquehanna International Group, LLP	259,072	€1.8m	44%	no data
1.05%	Trexquant Investment LP	256,810	€1.8m	177%	0.02%
1.03%	Two Sigma Investments, LP	253,294	€1.8m	69.8%	no data
0.97%	Geode Capital Management, LLC	238,495	€1.7m	12.8%	no data
0.93%	BNP Paribas Financial Markets SNC	228,336	€1.6m	0%	no data
0.92%	Jim Ison	226,432	€1.6m	0%	no data
0.82%	AMH Equity, Ltd.	200,000	€1.4m	0%	1.91%
0.81%	Michael Knowles	197,971	€1.4m	0%	no data
0.76%	Acadian Asset Management LLC	185,992	€1.3m	129%	no data
0.73%	Driehaus Capital Management LLC	179,478	€1.3m	-2.56%	0.01%
0.67%	Daniel Gabel	163,308	€1.1m	51.1%	no data
0.66%	The Informed Momentum Company LLC	162,973	€1.1m	0%	0.15%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/02/28 18:23
End of Day Share Price	2026/02/27 00:00
Earnings	2025/09/30
Annual Earnings	2024/12/31

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

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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

One Stop Systems, Inc. is covered by 3 analysts. 3 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
Brian Kinstlinger	Alliance Global Partners
Eric Martinuzzi	Lake Street Capital Markets, LLC
Scott Searle	Roth Capital Partners