Riken Vitamin Management
Management criteria checks 2/4
Riken Vitamin's CEO is Atsushi Mochizuki, appointed in Jun 2025, has a tenure of less than a year. directly owns 0.014% of the company’s shares, worth ¥12.34M. The average tenure of the management team and the board of directors is 2.4 years and 4.7 years respectively.
Key information
Atsushi Mochizuki
Chief executive officer
n/a
Total compensation
| CEO salary percentage | n/a |
| CEO tenure | less than a year |
| CEO ownership | 0.01% |
| Management average tenure | 2.4yrs |
| Board average tenure | 4.7yrs |
Recent management updates
Recent updates
Riken Vitamin (TSE:4526) Has Announced A Dividend Of ¥55.00
Dec 07
Riken Vitamin (TSE:4526) Posted Healthy Earnings But There Are Some Other Factors To Be Aware Of
Nov 22Riken Vitamin (TSE:4526) Has Announced That It Will Be Increasing Its Dividend To ¥55.00
Aug 27Riken Vitamin (TSE:4526) Is Increasing Its Dividend To ¥55.00
Aug 13Riken Vitamin's (TSE:4526) Shareholders Will Receive A Bigger Dividend Than Last Year
Jul 24Riken Vitamin (TSE:4526) Will Pay A Larger Dividend Than Last Year At ¥55.00
Jul 10Riken Vitamin's (TSE:4526) Solid Earnings May Rest On Weak Foundations
May 22Riken Vitamin's (TSE:4526) Earnings Are Of Questionable Quality
Nov 21Riken Vitamin (TSE:4526) Will Pay A Dividend Of ¥40.50
Aug 28Riken Vitamin (TSE:4526) Has Announced A Dividend Of ¥40.50
Aug 13Riken Vitamin (TSE:4526) Will Pay A Dividend Of ¥40.50
Jul 26Riken Vitamin's (TSE:4526) Dividend Will Be ¥40.50
Jul 11Riken Vitamin's (TSE:4526) Promising Earnings May Rest On Soft Foundations
May 21Riken Vitamin (TSE:4526) Has Announced That It Will Be Increasing Its Dividend To ¥44.50
Mar 15Riken Vitamin (TSE:4526) Is Increasing Its Dividend To ¥44.50
Mar 01CEO
Atsushi Mochizuki (63 yo)
Atsushi Mochizuki serves as Director at Riken Vitamin Co., Ltd. since June 2022 and serves as its President and CEO from 2025 and served as its Managing Director of International Business Department since...
Leadership Team
| Name | Position | Tenure | Compensation | Ownership |
|---|---|---|---|---|
| President | less than a year | no data | 0.014% ¥ 12.3m | |
| Accounting Manager | no data | no data | no data | |
| MD of Administration & Director | less than a year | no data | 0.0034% ¥ 3.1m | |
| Executive Officer & GM of Human Resources Department | no data | no data | no data | |
| Senior MD & Representative Director | 3.7yrs | no data | 0.034% ¥ 30.6m | |
| Executive Managing Director & Representative Director | 6.7yrs | no data | 0.014% ¥ 12.3m | |
| Managing Executive Officer | 4.1yrs | no data | no data | |
| Managing Executive Officer | no data | no data | no data | |
| Food Improvement Agents Business Div | no data | no data | no data | |
| Chief of PR & IR Office - Corporate Planning Department | no data | no data | no data | |
| Managing Executive Officer | 1.1yrs | no data | no data |
Experienced Management: 4526's management team is considered experienced (2.4 years average tenure).
Board Members
| Name | Position | Tenure | Compensation | Ownership |
|---|---|---|---|---|
| President | 3.7yrs | no data | 0.014% ¥ 12.3m | |
| MD of Administration & Director | 4.7yrs | no data | 0.0034% ¥ 3.1m | |
| Senior MD & Representative Director | 13.7yrs | no data | 0.034% ¥ 30.6m | |
| Executive Managing Director & Representative Director | 3.7yrs | no data | 0.014% ¥ 12.3m | |
| Food Improvement Agents Business Div | less than a year | no data | no data | |
| Chairman of the Board | 15.7yrs | no data | 0.051% ¥ 46.0m | |
| Independent Outside Director | 8.7yrs | no data | 0.014% ¥ 12.3m | |
| Independent External Director | 8.7yrs | no data | 0.010% ¥ 9.2m | |
| Director | less than a year | no data | no data | |
| Independent Outside Director | 4.7yrs | no data | 0.0034% ¥ 3.1m | |
| Independent Outside Director | 4.7yrs | no data | no data | |
| Independent Outside Director | 2.7yrs | no data | no data |
Experienced Board: 4526's board of directors are considered experienced (4.7 years average tenure).
Company Analysis and Financial Data Status
| Data | Last Updated (UTC time) |
|---|---|
| Company Analysis | 2026/02/18 14:22 |
| End of Day Share Price | 2026/02/18 00:00 |
| Earnings | 2025/12/31 |
| 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
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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
Riken Vitamin Co., Ltd. is covered by 2 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 |
|---|---|
| Yumiko Kai | Ichiyoshi Research Institute Inc. |
| Kenji Araki | Ichiyoshi Research Institute Inc. |