Komori
Changes in Officers6307SANSEI CO.,LTD.Machinery

Notice Regarding an Additional Change in Representative Director and Executive Appointments

Naoki Nishimura (西村 直樹) is scheduled to change from director to representative director and executive vice president, resulting in a two-person structure consisting of the representative director and president and the representative director and executive vice president. In addition, 1 director is scheduled to be newly appointed, 1 director is scheduled to retire, 2 outside corporate auditors are scheduled to be newly appointed, and 2 outside corporate auditors are scheduled to retire.

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Who is moving to which position

Resolved 29 May 2026

Incoming appointee

4 items
Scheduled Appointment Date25 June 2026 (scheduled to be formally determined following the 71st Annual General Meeting of Shareholders, scheduled for 25 June 2026, and the Board of Directors meeting to be held after the meeting)
Nishimura Naoki (西村 直樹)
Previous positionDirectors
New positionRepresentative Director and Executive Vice President
生年月日 16 August 1968入社年 1994所有株式数 17,800 shares (stated record date: Not disclosed)
Yoshida Kunishige (吉田 久仁茂)
Previous positionExecutive officers
New positionDirectors
生年月日 8 October 1965入社年 1986所有株式数 4,400 shares (stated record date: Not disclosed)
Taenaka Shigeki (妙中 茂樹)
Previous positionNot disclosed
New positionOutside Corporate Auditor
生年月日 10 September 1961入社年 Not disclosed所有株式数 Not disclosed
Mogami Jiro (最上 次郎)
Previous positionNot disclosed
New positionOutside Corporate Auditor
生年月日 2 August 1978入社年 Not disclosed所有株式数 Not disclosed

Departing officer

3 items
Date of departure25 June 2026
Kishimoto Takeshi (岸本 竹史)Next role stated
Former PositionManaging Director
New positionRetirement
Shimomo Toshifumi (下茂 稔郁)Next role stated
Former PositionFull-time Outside Audit & Supervisory Board Member
New positionRetirement
Ota Akihisa (太田 晶久)Next role stated
Former PositionOutside Corporate Auditor
New positionRetirement

“Next role stated” means the document names the position the person holds after stepping down. It does not necessarily mean they are leaving the company.

Whether the incumbent will remain in office (whether they will retain their position)

None will remain on the Board of Directors or the Board of Corporate Auditors; all will retire.

Directors after the change5Number
Shareholders’ meeting approvalRequired. Candidates for director and outside corporate auditor will be submitted to the 71st Annual General Meeting of Shareholders, scheduled for 25 June 2026, and the appointments are scheduled to be formally determined following the Board of Directors meeting to be held after the meeting.
Reason for change

The changes are intended to further strengthen the management structure, accelerate management decision-making and achieve sustained improvement in corporate value by changing to a two-person structure consisting of the representative director and president and the representative director and executive vice president.

Details of organizational changes

Change to a two-person structure consisting of the representative director and president and the representative director and executive vice president

Who is moving to which position
ItemDetails
Resolution date29 May 2026
Scheduled Appointment Date25 June 2026 (scheduled to be formally determined following the 71st Annual General Meeting of Shareholders, scheduled for 25 June 2026, and the Board of Directors meeting to be held after the meeting)
Date of departure25 June 2026
Name of appointeeNishimura Naoki (西村 直樹), Yoshida Kunishige (吉田 久仁茂), Taenaka Shigeki (妙中 茂樹), Mogami Jiro (最上 次郎)
Appointee's new positionRepresentative Director and Executive Vice President, Directors, Outside Corporate Auditor, Outside Corporate Auditor
Appointee's previous positionDirectors, Executive officers, Not disclosed, Not disclosed
Appointee's date of birth16 August 1968, 8 October 1965, 10 September 1961, 2 August 1978
Year the appointee joined the Company1994, 1986, Not disclosed, Not disclosed
Number of shares held by the appointee17,800 shares (stated record date: Not disclosed), 4,400 shares (stated record date: Not disclosed), Not disclosed, Not disclosed
Name of departing officerKishimoto Takeshi (岸本 竹史), Shimomo Toshifumi (下茂 稔郁), Ota Akihisa (太田 晶久)
Former position of departing officerManaging Director, Full-time Outside Audit & Supervisory Board Member, Outside Corporate Auditor
New position of departing officerRetirement, Retirement, Retirement
Whether the incumbent will remain in officeNone will remain on the Board of Directors or the Board of Corporate Auditors; all will retire.
Reason for changeThe changes are intended to further strengthen the management structure, accelerate management decision-making and achieve sustained improvement in corporate value by changing to a two-person structure consisting of the representative director and president and the representative director and executive vice president.
Number of directors after the change5 (including 2 outside directors)
Details of organizational changesChange to a two-person structure consisting of the representative director and president and the representative director and executive vice president
Subject to Approval by the General Meeting of ShareholdersRequired. Candidates for director and outside corporate auditor will be submitted to the 71st Annual General Meeting of Shareholders, scheduled for 25 June 2026, and the appointments are scheduled to be formally determined following the Board of Directors meeting to be held after the meeting.
Items this document does not state (4)
Reason for departureReasons for appointmentFiling as an independent officerChange in Corporate Governance Structure

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.

By changing to a two-person structure consisting of the representative director and president and the representative director and executive vice president, the Company aims to further strengthen its management structure, accelerate management decision-making and achieve sustained improvement in corporate value.

How to read this page

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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 an Additional Change in Representative Director and Executive Appointments | SANSEI CO.,LTD. (6307) timely disclosure | Komori