Maruo Calcium Management
Management criteria checks 1/4
Maruo Calcium's CEO is Haruo Maruo, appointed in Apr 2013, has a tenure of 13.08 years. directly owns 10.04% of the company’s shares, worth ¥309.44M. The average tenure of the management team and the board of directors is 1.8 years and 6.9 years respectively.
Key information
Haruo Maruo
Chief executive officer
n/a
Total compensation
| CEO salary percentage | n/a |
| CEO tenure | 13.1yrs |
| CEO ownership | 10.0% |
| Management average tenure | 1.8yrs |
| Board average tenure | 6.9yrs |
Recent management updates
Recent updates
Maruo Calcium's (TSE:4102) Sluggish Earnings Might Be Just The Beginning Of Its Problems
Nov 20
Weak Statutory Earnings May Not Tell The Whole Story For Maruo Calcium (TSE:4102)
May 22Maruo Calcium's (TSE:4102) Soft Earnings Don't Show The Whole Picture
Nov 20Be Wary Of Maruo Calcium (TSE:4102) And Its Returns On Capital
Aug 07Shareholders Will Be Pleased With The Quality of Maruo Calcium's (TSE:4102) Earnings
May 21CEO
Haruo Maruo (68 yo)
Mr. Haruo Maruo serves as Representative Director & President at Maruo Calcium Co., Ltd. since April 2019. Mr. Maruo served as Managing Director of Maruo Calcium Co. Ltd since June 2005 and served as its G...
Leadership Team
| Name | Position | Tenure | Compensation | Ownership |
|---|---|---|---|---|
| Chairman | 13.1yrs | no data | 10.04% ¥ 309.4m | |
| Executive Officer | 2.3yrs | no data | no data | |
| Executive Officer | 1.3yrs | no data | no data | |
| Senior MD | 20.1yrs | no data | 1.45% ¥ 44.8m | |
| MD, Chief of Production Division | 2.3yrs | no data | 1.03% ¥ 31.8m | |
| Executive Officer & Director of Technical Marketing Dept. | 1.3yrs | no data | no data | |
| Executive Officer | 1.3yrs | no data | no data | |
| Executive Officer | less than a year | no data | no data |
Experienced Management: 4102's management team is not considered experienced ( 1.8 years average tenure), which suggests a new team.
Board Members
| Name | Position | Tenure | Compensation | Ownership |
|---|---|---|---|---|
| Chairman | 24.9yrs | no data | 10.04% ¥ 309.4m | |
| Senior MD | 15.9yrs | no data | 1.45% ¥ 44.8m | |
| MD, Chief of Production Division | 18.9yrs | no data | 1.03% ¥ 31.8m | |
| Outside Audit & Supervisory Board Member | 6.9yrs | no data | 0.047% ¥ 1.4m | |
| Full-time Audit & Supervisory Board Member | 2.9yrs | no data | 1.45% ¥ 44.8m | |
| Independent Outside Director | 3.9yrs | no data | 0.094% ¥ 2.9m | |
| Outside Audit & Supervisory Board Member | 3.9yrs | no data | no data |
Experienced Board: 4102's board of directors are considered experienced (6.9 years average tenure).
Company Analysis and Financial Data Status
| Data | Last Updated (UTC time) |
|---|---|
| Company Analysis | 2026/05/03 12:42 |
| End of Day Share Price | 2026/05/01 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 |
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| 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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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
Maruo Calcium Co., Ltd. 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.