Rebase Management
Management criteria checks 2/4
Rebase's CEO is Kai Sato, appointed in Apr 2016, has a tenure of 9.17 years. directly owns 47.95% of the company’s shares, worth ¥3.17B. The average tenure of the management team and the board of directors is 8.6 years and 4 years respectively.
Key information
Kai Sato
Chief executive officer
n/a
Total compensation
| CEO salary percentage | n/a |
| CEO tenure | 9.2yrs |
| CEO ownership | 47.9% |
| Management average tenure | 8.6yrs |
| Board average tenure | 4yrs |
Recent management updates
Recent updates
With Rebase, Inc. (TSE:5138) It Looks Like You'll Get What You Pay For
May 02
Here's Why We Think Rebase (TSE:5138) Is Well Worth Watching
Apr 06A Look At The Intrinsic Value Of Rebase, Inc. (TSE:5138)
Feb 14Why Investors Shouldn't Be Surprised By Rebase, Inc.'s (TSE:5138) 26% Share Price Surge
Nov 17Rebase, Inc. (TSE:5138) Stocks Shoot Up 27% But Its P/E Still Looks Reasonable
Sep 02CEO
Kai Sato (36 yo)
Mr. Kai Sato is General Manager of President's Office of Rebase, Inc. from April 2021 and serves as its Representative Director since April 2014 and CEO since April 2016.
Leadership Team
| Name | Position | Tenure | Compensation | Ownership |
|---|---|---|---|---|
| CEO, General Manager of President's Office & Representative Director | 9.2yrs | no data | 47.95% ¥ 3.2b | |
| COO & Director | 8.1yrs | no data | 0.0020% ¥ 135.0k | |
| CTO & Director | 11.2yrs | no data | 15.38% ¥ 1.0b | |
| Corporate Group Manager & Director | 3.9yrs | no data | 0.022% ¥ 1.5m |
Experienced Management: 5138's management team is seasoned and experienced (8.6 years average tenure).
Board Members
| Name | Position | Tenure | Compensation | Ownership |
|---|---|---|---|---|
| CEO, General Manager of President's Office & Representative Director | 11.2yrs | no data | 47.95% ¥ 3.2b | |
| COO & Director | 4.7yrs | no data | 0.0020% ¥ 135.0k | |
| CTO & Director | 4.7yrs | no data | 15.38% ¥ 1.0b | |
| Corporate Group Manager & Director | 3.9yrs | no data | 0.022% ¥ 1.5m | |
| Independent Outside Director | 3yrs | no data | 0.0041% ¥ 269.3k | |
| Outside Audit & Supervisory Board Member | 3yrs | no data | no data | |
| Outside Auditor & Supervisory Board Member | 4yrs | no data | 0.014% ¥ 943.0k | |
| Outside Audit & Supervisory Board Member | 4yrs | no data | no data |
Experienced Board: 5138's board of directors are considered experienced (4 years average tenure).
Company Analysis and Financial Data Status
| Data | Last Updated (UTC time) |
|---|---|
| Company Analysis | 2025/06/18 04:10 |
| End of Day Share Price | 2025/06/18 00:00 |
| Earnings | 2025/03/31 |
| Annual Earnings | 2025/03/31 |
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.
| Package | Data | Timeframe | Example US Source * |
|---|---|---|---|
| Company Financials | 10 years |
| |
| Analyst Consensus Estimates | +3 years |
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| Market Prices | 30 years |
| |
| Ownership | 10 years |
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| Management | 10 years |
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| Key Developments | 10 years |
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* 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
Rebase, 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.
| Analyst | Institution |
|---|---|
| Nobuo Kurahashi | Ichiyoshi Research Institute Inc. |