Renascience Inc.

TSE:4889 Stock Report

Market Cap: JP¥16.5b

Renascience Management

Management criteria checks 0/4

Renascience's CEO is Toshio Miyata, appointed in Jun 2025, has a tenure of 1.17 years. directly owns 19.86% of the company’s shares, worth ¥3.29B. The average tenure of the management team and the board of directors is 1.2 years and 1.6 years respectively.

Key information

Toshio Miyata

Chief executive officer

n/a

Total compensation

CEO salary percentagen/a
CEO tenure1.2yrs
CEO ownership19.9%
Management average tenure1.2yrs
Board average tenure1.6yrs

Recent management updates

Recent updates

Analysis Article • May 19

Here's Why We're Not At All Concerned With Renascience's (TSE:4889) Cash Burn Situation

Even when a business is losing money, it's possible for shareholders to make money if they buy a good business at the...
Analysis Article • Jan 01

Is Renascience (TSE:4889) Weighed On By Its Debt Load?

The external fund manager backed by Berkshire Hathaway's Charlie Munger, Li Lu, makes no bones about it when he says...
Analysis Article • Apr 05

Is Renascience (TSE:4889) Using Too Much Debt?

Howard Marks put it nicely when he said that, rather than worrying about share price volatility, 'The possibility of...

CEO

Toshio Miyata (65 yo)

1.2yrs
Tenure

Mr. Toshio Miyata, M.D., Ph D., is Chairman of Renascience Inc. from April 2020 and is Director since April 2018 and also serves as its Chief Executive Officer since June 2025.

Leadership Team

NamePositionTenureCompensationOwnership
Toshio Miyata
CEO & Chairman1.2yrsno data19.86%
¥ 3.3b
Yoshiyasu Iida
Executive Officer of Management & Planning and GM of Administration Departmentless than a yearno datano data
Sho Kato
Executive Officerno datano datano data
Mituaki Kamata
Executive VP & Director1.2yrsno datano data
1.2yrs
Average Tenure

Experienced Management: 4889's management team is not considered experienced ( 1.2 years average tenure), which suggests a new team.

Board Members

NamePositionTenureCompensationOwnership
Toshio Miyata
CEO & Chairman8.3yrsno data19.86%
¥ 3.3b
Mituaki Kamata
Executive VP & Director1.6yrsno datano data
Satoshi Kitaura
Independent Outside Director1.2yrsno datano data
Akihiko Ito
Independent Outside Director1.2yrsno datano data
Hiroaki Nogi
Independent Outside Director2.2yrsno datano data
1.6yrs
Average Tenure
67yo
Average Age

Experienced Board: 4889's board of directors are not considered experienced ( 1.6 years average tenure), which suggests a new board.

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/08/16 11:20
End of Day Share Price 2026/08/14 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

Renascience Inc. is covered by 0 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.