J-Stream Inc.

TSE:4308 Stock Report

Market Cap: JP¥8.6b

J-Stream Management

Management criteria checks 1/4

We currently do not have sufficient information about the CEO.

Key information

Toshio Ishimatsu

Chief executive officer

n/a

Total compensation

CEO salary percentagen/a
CEO tenure12yrs
CEO ownership0.2%
Management average tenureno data
Board average tenure10yrs

Recent management updates

Recent updates

Analysis Article Nov 06

We Think J-Stream's (TSE:4308) Profit Is Only A Baseline For What They Can Achieve

Investors were underwhelmed by the solid earnings posted by J-Stream Inc. ( TSE:4308 ) recently. We have done some...
Analysis Article May 07

Statutory Profit Doesn't Reflect How Good J-Stream's (TSE:4308) Earnings Are

J-Stream Inc.'s ( TSE:4308 ) earnings announcement last week was disappointing for investors, despite the decent profit...
Analysis Article Nov 10

J-Stream Inc. Just Beat Revenue Estimates By 5.2%

J-Stream Inc. ( TSE:4308 ) shareholders are probably feeling a little disappointed, since its shares fell 3.9% to...
Analysis Article Aug 06

Why We're Not Concerned Yet About J-Stream Inc.'s (TSE:4308) 26% Share Price Plunge

The J-Stream Inc. ( TSE:4308 ) share price has fared very poorly over the last month, falling by a substantial 26%. The...

CEO

Toshio Ishimatsu (63 yo)

12yrs
Tenure

Mr. Toshio Ishimatsu has been the President of J-Stream Inc. since June 2014 and serves as its Chief Executive Officer since June 2014 and Basis Planet Co., Ltd. since April 2009. Mr. Ishimatsu served as a...


Board Members

NamePositionTenureCompensationOwnership
Toshio Ishimatsu
President25.9yrsno data0.19%
¥ 16.6m
Satoru Miyama
Executive VP & Director12yrsno data0.11%
¥ 9.5m
Kiyoshi Shiraishi
Chairman of the Board27.6yrsno data0.040%
¥ 3.5m
Takashi Miyano
Independent Outside Director10yrsno datano data
Koji Shikano
Independent Outside Director1yrno datano data
Hiroshi Hozumi
Chairman of Audit & Supervisory Board10yrsno data0.017%
¥ 1.5m
Atsutoshi Suwahara
Part-Time Audit & Supervisory Board Member17yrsno datano data
Manabu Onda
Independent Outside Audit & Supervisory Board Member8yrsno datano data
Norifusa Takano
Director3yrsno datano data
Ryo Oshita
Independent Outside Director6yrsno datano data
Yoichi Moritaka
Auditor1yrno datano data
10.0yrs
Average Tenure
62yo
Average Age

Experienced Board: 4308's board of directors are seasoned and experienced ( 10 years average tenure).


Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/06/10 19:32
End of Day Share Price 2026/06/10 00:00
Earnings2026/03/31
Annual Earnings2026/03/31

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.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* 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

J-Stream Inc. is covered by 1 analysts. 1 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Yasuyoshi MimuraIchiyoshi Research Institute Inc.