MONEX GROUP, INC. - 28 Feb 2026 SCHEDULE 13D Report for Coincheck Group N.V. Ordinary Shares (CNCK)

Filing Manager: MONEX GROUP, INC.
Reporting Manager: Monex Group, Inc.
Security: Coincheck Group N.V. Ordinary Shares
Symbol: CNCK
Shares outstanding: 163,837,896 shares
Disclosed Ownership: 136,247,594 shares
Ownership: 83%
Form type: SCHEDULE 13D
Filing time: 06 Mar 2026, 21:35:13 UTC
Date of event: 28 Feb 2026
Previous filing: 14 Feb 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Monex Group, Inc.	83%	136,247,594	136,247,594	0	/s/ Yuko Seimei	Yuko Seimei, Representative Executive Officer	0001346609