Who is moving to which position
Resolved 24 March 2026Incoming appointee
2 itemsDeparting officer
1 itemHaving taken his responsibility seriously and accepted the recommendation to resign, he offered to resign, effective today, as Representative Director and Director of the subsidiary and the Company, as well as President and other positions.
Will not remain on the Board of Directors
It was discovered that Harada Masahiko (原田 政彦) had leaked information to the person under investigation and obstructed the investigation, constituting improper conduct that could affect the effectiveness of the subsidiary's internal control system.
| Item | Details |
|---|---|
| Resolution date | 24 March 2026 |
| Scheduled Appointment Date | 24 March 2026 (selection as Representative Director, President of the Company and Dainihon Diamond Consultants Co., Ltd.) |
| Date of departure | 24 March 2026 |
| Name of appointee | Fujimoto Hiroyuki (藤本 弘之), Saito Tetsuro (齋藤 哲郎) |
| Appointee's new position | Representative Director, President and Executive Officer, Representative Director and President |
| Appointee's previous position | Representative Director, Executive Vice President and Executive Officer, Representative Director and Executive Vice President |
| Name of departing officer | Harada Masahiko (原田 政彦) |
| Former position of departing officer | Representative Director, President and Executive Officer, Representative Director and President |
| Reason for departure | Having taken his responsibility seriously and accepted the recommendation to resign, he offered to resign, effective today, as Representative Director and Director of the subsidiary and the Company, as well as President and other positions. |
| Whether the incumbent will remain in office | Will not remain on the Board of Directors |
| Reason for change | It was discovered that Harada Masahiko (原田 政彦) had leaked information to the person under investigation and obstructed the investigation, constituting improper conduct that could affect the effectiveness of the subsidiary's internal control system. |
| Number of directors after the change | The Company: 5 (of whom the number of outside directors is not disclosed). Dainihon Diamond Consultants Co., Ltd.: 4 (of whom the number of outside directors is not disclosed) |
Items this document does not state (9)
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.Following approval to commence an investigation into suspected compliance violations, Harada Masahiko (原田 政彦) was suspected of leaking information about the investigation to the person under investigation and obstructing the investigation. An investigation by outside counsel and others found that he had actively leaked information and obstructed the investigation. After receiving a recommendation to resign, Harada Masahiko (原田 政彦) resigned, taking his responsibility seriously.