Green Monster Inc.

TSE:157A Stock Report

Market Cap: JP¥2.8b

Green Monster Management

Management criteria checks 1/4

Green Monster's CEO is Akira Ogawa, appointed in Mar 2014, has a tenure of 12.33 years. directly owns 6.31% of the company’s shares, worth ¥176.81M. The average tenure of the management team and the board of directors is 12.3 years and 0.8 years respectively.

Key information

Akira Ogawa

Chief executive officer

n/a

Total compensation

CEO salary percentagen/a
CEO tenure12.3yrs
CEO ownership6.3%
Management average tenure12.3yrs
Board average tenureless than a year

Recent management updates

Recent updates

Analysis Article Jan 16

Green Monster (TSE:157A) Has A Pretty Healthy Balance Sheet

The external fund manager backed by Berkshire Hathaway's Charlie Munger, Li Lu, makes no bones about it when he says...

CEO

Akira Ogawa (48 yo)

12.3yrs
Tenure

Mr. Akira Ogawa is CEO & Representative Director of Green Monster Inc. from March 2014. Mr. Ogawa joined the Green Monster Inc. in March 2014.


Leadership Team

NamePositionTenureCompensationOwnership
Akira Ogawa
CEO & Representative Director12.3yrsno data6.31%
¥ 176.8m
Shinichi Kaibara
CFO & Head of Administration5.8yrsno datano data
Arisa Fujisawa
Director & Director In Charge of Business Division12.3yrsno data10.02%
¥ 280.8m
12.3yrs
Average Tenure
42yo
Average Age

Experienced Management: 157A's management team is seasoned and experienced (12.3 years average tenure).


Board Members

NamePositionTenureCompensationOwnership
Akira Ogawa
CEO & Representative Director12.3yrsno data6.31%
¥ 176.8m
Arisa Fujisawa
Director & Director In Charge of Business Division12.3yrsno data10.02%
¥ 280.8m
Akira Nokina
Independent Outside Directorless than a yearno datano data
Atsushi Kawamura
Outside Auditorno datano datano data
Tetsuya Miyakoshi
Director and Full-time Audit & Supervisory Board Memberless than a yearno datano data
William Wan
Directorless than a yearno datano data
Ryushi Watanabe
Directorless than a yearno datano data
Ryan Rabaglia
Independent Outside directorless than a yearno datano data
0.8yrs
Average Tenure
48yo
Average Age

Experienced Board: 157A's board of directors are not considered experienced ( 0.8 years average tenure), which suggests a new board.


Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/07/17 09:28
End of Day Share Price 2026/07/17 00:00
Earnings2026/03/31
Annual Earnings2025/06/30

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.

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

Green Monster Inc. 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.

AnalystInstitution
Michihiro AshiyaMizuho Securities Co., Ltd.