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Changes in Officers4599StemRIM Inc.Pharmaceuticals

Notice Regarding a Change in Representative Director (Increase in Number of Directors)

Tamai Katsuhito (玉井 克人), the current director and CSO, will newly assume the position of Representative Director, Chairman and CSO, and the Company will transition to a co-representative structure with 2 representative directors instead of 1. Okajima Masatsune (岡島 正恒) will continue as Representative Director, President and CEO.

Worth reading
35Immaterial
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Improvement
Direction inferred from the company’s description.
Scale
2
Representative directors (structure)
Wording
Definitive
How definitive the wording is.

Who is moving to which position

Resolved 9 September 2026

Incoming appointee

1 item
Scheduled Appointment DateEffective 9 September 2026
Tamai Katsuhito (玉井 克人)
Previous positionDirector and CSO
New positionRepresentative Director, Chairman and CSO
生年月日 19 July 1960入社年 2006所有株式数 9,980,000 shares (as of 9 September 2026)
Reason for change

To respond to changes in the business environment surrounding the Company, further accelerate efforts to grow existing businesses and create new businesses, strengthen the management structure and speed up decision-making, the Company will transition to a co-representative structure with 2 representative directors and further reinforce its management foundation. Having the founder join the core of management as a representative director will further strengthen the Company's commitment to the research and development of regenerative medicine and accelerate these efforts.

Who is moving to which position
ItemDetails
Resolution date9 September 2026
Scheduled Appointment DateEffective 9 September 2026
Name of appointeeTamai Katsuhito (玉井 克人)
Appointee's new positionRepresentative Director, Chairman and CSO
Appointee's previous positionDirector and CSO
Appointee's date of birth19 July 1960
Year the appointee joined the Company2006
Number of shares held by the appointee9,980,000 shares (as of 9 September 2026)
Reason for changeTo respond to changes in the business environment surrounding the Company, further accelerate efforts to grow existing businesses and create new businesses, strengthen the management structure and speed up decision-making, the Company will transition to a co-representative structure with 2 representative directors and further reinforce its management foundation. Having the founder join the core of management as a representative director will further strengthen the Company's commitment to the research and development of regenerative medicine and accelerate these efforts.
Items this document does not state (12)
Date of departureName of departing officerFormer position of departing officerNew position of departing officerReason for departureWhether the incumbent will remain in officeReasons for appointmentNumber of directors after the changeFiling as an independent officerDetails of organizational changesChange in Corporate Governance StructureSubject to Approval by the General Meeting of Shareholders

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

To respond to changes in the business environment, accelerate the growth of existing businesses and the creation of new businesses, strengthen the management structure and speed up decision-making. Founder Tamai Katsuhito (玉井 克人) will join the core of management as a representative director, further strengthening his commitment to the research and development of regenerative medicine.

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Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Notice Regarding a Change in Representative Director (Increase in Number of Directors) | StemRIM Inc. (4599) timely disclosure | Komori