D. I. System Ownership

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

Recent Insider Transactions

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 4421?
Owner Type	Number of Shares	Ownership Percentage
Institutions	93,600	3.22%
Employee Share Scheme	135,900	4.67%
General Public	849,964	29.2%
Individual Insiders	1,828,200	62.9%

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

Top Shareholders

Top 12 shareholders own 70.77% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
47.2%	Mitsuhiro Nagata	1,373,200	JP¥1.2b	0%	no data
4.67%	D. I. System Co. , Ltd., Employee Shareholding Association	135,900	JP¥117.6m	0%	no data
4.61%	Takayuki Yoshihara	134,000	JP¥115.9m	0%	no data
3.22%	Rakuten Investment Management, Inc.	93,600	JP¥81.0m	0%	0.03%
2.62%	Kentaro Tomita	76,200	JP¥65.9m	0%	no data
2.62%	Ariake Sekimata	76,200	JP¥65.9m	0%	no data
1.79%	Takahisa Ueda	52,000	JP¥45.0m	0%	no data
1.51%	Fumio Yoshimoto	44,000	JP¥38.1m	0%	no data
1.2%	Yutaka Otsuka	35,000	JP¥30.3m	0%	no data
0.64%	Hiroshi Miyazaki	18,600	JP¥16.1m	0%	no data
0.52%	Seiichiro Sugita	15,000	JP¥13.0m	0%	no data
0.14%	Shoko Kataoka	4,000	JP¥3.5m	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/01/08 16:22
End of Day Share Price	2025/01/08 00:00
Earnings	2024/09/30
Annual Earnings	2024/09/30

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 here.

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 .

Analyst Sources

D. I. System Co., Ltd. is covered by 1 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
Atsushi Ohmachi	The Stock Research Center