Chiome Bioscience Management
Management criteria checks 2/4
Chiome Bioscience's CEO is Masamichi Koike, appointed in Jan 2025, has a tenure of less than a year. directly owns 0.053% of the company’s shares, worth ¥4.82M. The average tenure of the management team and the board of directors is 6.5 years and 3.2 years respectively.
Key information
Masamichi Koike
Chief executive officer
n/a
Total compensation
| CEO salary percentage | n/a |
| CEO tenure | less than a year |
| CEO ownership | 0.05% |
| Management average tenure | 6.5yrs |
| Board average tenure | 3.2yrs |
Recent management updates
CEO
Masamichi Koike (62 yo)
less than a year
Tenure
Dr. Masamichi Koike, PhD wad the Head of Research Function of R&D Division and Fellow at Kyowa Kirin Co. Ltd. He serves as Executive Director at Chiome Bioscience Inc. since March 2023 and serves as its Pr...
Leadership Team
| Name | Position | Tenure | Compensation | Ownership |
|---|---|---|---|---|
| President | less than a year | no data | 0.053% ¥ 4.8m | |
| CFO, Head of Corporate Planning Officer & Executive Director | 8.1yrs | no data | 0.11% ¥ 10.0m | |
| Head of Business Development and Executive Officer | 9.3yrs | no data | no data | |
| GM of Development Division & Director | 4.9yrs | no data | 0.067% ¥ 6.2m |
6.5yrs
Average Tenure
55yo
Average Age
Experienced Management: 4583's management team is seasoned and experienced (6.5 years average tenure).
Board Members
| Name | Position | Tenure | Compensation | Ownership |
|---|---|---|---|---|
| President | 2.2yrs | no data | 0.053% ¥ 4.8m | |
| CFO, Head of Corporate Planning Officer & Executive Director | 8.1yrs | no data | 0.11% ¥ 10.0m | |
| GM of Development Division & Director | 2.2yrs | no data | 0.067% ¥ 6.2m | |
| Independent Outside Director | 5.2yrs | no data | no data | |
| Independent Outside Director | no data | no data | 0.019% ¥ 1.8m | |
| Independent Outside Director | less than a year | no data | no data | |
| Independent Outside Director | 4.2yrs | no data | no data |
3.2yrs
Average Tenure
62yo
Average Age
Experienced Board: 4583's board of directors are considered experienced (3.2 years average tenure).
Company Analysis and Financial Data Status
| Data | Last Updated (UTC time) |
|---|---|
| Company Analysis | 2025/05/08 11:13 |
| End of Day Share Price | 2025/05/08 00:00 |
| Earnings | 2024/12/31 |
| Annual Earnings | 2024/12/31 |
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 |
| |
| Management | 10 years |
| |
| 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
Chiome Bioscience Inc. is covered by 2 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.
| Analyst | Institution |
|---|---|
| Akitada Iwasa | Daiwa Securities Co. Ltd. |
| Kiyokazu Yamazaki | Ichiyoshi Research Institute Inc. |