Coincheck Group names Shumpei Tatebayashi to board, expands director count to 10

• Coincheck Group expanded its board to 10 directors with the appointment of Shumpei Tatebayashi as a non-executive director.
• Tatebayashi is deputy head of KDDI’s Open Innovation Promotion Headquarters, previously led KDDI’s Web3 Promotion Division.
• Takashi Oyagi resigned as executive director and executive chairperson, effective Sept. 17, 2026.
• Jean St-Jean took over as executive chairperson in addition to chief executive officer and president.
• Satoshi Hasuo, chief stakeholder officer, was named temporary executive director through the 2027 annual general meeting.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Coincheck Group NV published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001628280-26-063728), on September 28, 2026, and is solely responsible for the information contained therein.