NPR-Riken Corporation
Notice on Unification of Exercise Conditions for Stock Options (Subscription Warrants)
As of March 30, 2026, Riken and Nippon Piston Ring will unify the exercise conditions of their stock options, allowing exercise after the loss of position as director, executive officer, and senior executive director.
Key Figures
- Change Date: 2026年3月30日
- Riken's Target Stock Option Issuance Period: 2014年6月25日～2017年6月22日
- Nippon Piston Ring's Target Stock Option Issuance Period: 2008年6月27日～2019年6月26日
AI要約
Regarding the Unification of Stock Option Exercise Conditions
Riken NPR Corporation has resolved to unify the exercise conditions of stock options introduced by its subsidiaries, Riken Co., Ltd. and Nippon Piston Ring Co., Ltd., ahead of the full integration scheduled for April 2026. Specifically, whereas previously stock options could be exercised after the loss of position as director or executive officer at Riken, the exercise condition has been changed so that at both companies, stock options can be exercised after the loss of position as director, executive officer, or senior executive director. Other issuance conditions remain unchanged.
Targeted Stock Options and Background of Changes
The stock options subject to this change are stock compensation-type stock options issued by Riken between 2014 and 2017 and similar stock options issued by Nippon Piston Ring between 2008 and 2019. The reason for this change is to align with the new organizational structure after the full integration in April 2026, aiming to unify the system across the group.
Riken NPR Corporation
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