Company: CNCKW
Filing Date: 2025-09-02
Form Type: 6-K
Source: 0001628280-25-041490
Chunk: 2

Company: Coincheck Group N.V.
Filing Date: 2025-09-02
Form: 6-K
Chunk 2
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-fungible tokens (NFTs).

● Prior monthly numbers, which are generally preliminary at the time of initial publication, may have been updated by immaterial amounts.

### SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

| Date: September 02, 2025 |     | COINCHECK GROUP N.V. 
 By:                  |     | /s/ Gary A. Simanson |     |                                       |
|:-------------------------|:----|:---------------------|:----|:---------------------|:----|:--------------------------------------|
|                          |     |                      |     | Name:                |     | Gary A. Simanson                      |
|                          |     |                      |     | Title:               |     | Chief Executive Officer and President |