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Changes in Officers8609OKASAN SECURITIES GROUP INC.Financials (excluding banks)

Notice Regarding Organizational Reforms and Changes in Officers and Employees at Okasan Securities Group Companies

Okasan Securities will close Tokyo Chuo Branch and establish Shinjuku Branch and Shibuya Branch, while implementing personnel changes involving 6 people, including branch managers. At 証券ジャパン, Sakano Katsukuni (坂野勝国), who concurrently serves as a managing director of 岡三ビジネス&テクノロジー and 岡三興業, will be appointed as an executive officer.

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Who is moving to which position

Incoming appointee

1 item
Scheduled Appointment DateEffective 1 June 2026 (the date of the personnel order and the date the new executive officer takes office)
Baba Makiko (馬場真貴子); Onuma Kazuki (大沼一紀); Hashimoto Junichi (橋本純一); Seto Yusuke (背戸雄介); Tokuda Yosuke (徳田洋介); Dobashi Yoshiaki (土橋芳明); Sakano Katsukuni (坂野勝国)
Previous positionHead of Customer Consultation Office; General Manager, Tokyo Chuo Branch First Sales Department; General Manager, Tokyo Chuo Branch Second Sales Department; Deputy General Manager, Tokyo Chuo Branch First Sales Department; Deputy Branch Manager, Omori Branch; General Manager, Yokohama Branch Sales Department; Managing Director, 岡三ビジネス&テクノロジー Co., Ltd., and Managing Director, 岡三興業 Co., Ltd.
New positionDeputy Head, Contact Center Department; Manager, Shinjuku Branch; Manager, Shibuya Branch; General Manager, Shinjuku Branch Sales Department; General Manager, Yokohama Branch Sales Department; General Manager, Fukuoka Branch Sales Department; Executive Officer
Details of organizational changes

Tokyo Chuo Branch, the consolidated location comprising the First Sales Department and Second Sales Department, will be closed, and Shinjuku Branch and Shibuya Branch will be established.

Who is moving to which position
ItemDetails
Scheduled Appointment DateEffective 1 June 2026 (the date of the personnel order and the date the new executive officer takes office)
Name of appointeeBaba Makiko (馬場真貴子); Onuma Kazuki (大沼一紀); Hashimoto Junichi (橋本純一); Seto Yusuke (背戸雄介); Tokuda Yosuke (徳田洋介); Dobashi Yoshiaki (土橋芳明); Sakano Katsukuni (坂野勝国)
Appointee's new positionDeputy Head, Contact Center Department; Manager, Shinjuku Branch; Manager, Shibuya Branch; General Manager, Shinjuku Branch Sales Department; General Manager, Yokohama Branch Sales Department; General Manager, Fukuoka Branch Sales Department; Executive Officer
Appointee's previous positionHead of Customer Consultation Office; General Manager, Tokyo Chuo Branch First Sales Department; General Manager, Tokyo Chuo Branch Second Sales Department; Deputy General Manager, Tokyo Chuo Branch First Sales Department; Deputy Branch Manager, Omori Branch; General Manager, Yokohama Branch Sales Department; Managing Director, 岡三ビジネス&テクノロジー Co., Ltd., and Managing Director, 岡三興業 Co., Ltd.
Details of organizational changesTokyo Chuo Branch, the consolidated location comprising the First Sales Department and Second Sales Department, will be closed, and Shinjuku Branch and Shibuya Branch will be established.
Items this document does not state (16)
Resolution dateDate of departureAppointee's date of birthYear the appointee joined the CompanyNumber of shares held by the appointeeName of departing officerFormer position of departing officerNew position of departing officerReason for departureWhether the incumbent will remain in officeReason for changeReasons for appointmentNumber of directors after the changeFiling as an independent officerChange 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.

The organizational restructuring at Okasan Securities is intended to expand points of contact with customers. No individual reasons are provided for the personnel changes or Sakano Katsukuni (坂野勝国)'s appointment as an executive officer at 証券ジャパン.

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Notice Regarding Organizational Reforms and Changes in Officers and Employees at Okasan Securities Group Companies | OKASAN SECURITIES GROUP INC. (8609) timely disclosure | Komori