Company: CNCKW
Filing Date: 2025-11-05
Form Type: 6-K
Source: 0001913847-25-000016
Chunk: 2

Company: Coincheck Group N.V.
Filing Date: 2025-11-05
Form: 6-K
Chunk 2
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● 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: November 05, 2025 |     | COINCHECK GROUP N.V. 
 By:                  |     | /s/ Gary A. Simanson |     |                                       |
|:------------------------|:----|:---------------------|:----|:---------------------|:----|:--------------------------------------|
|                         |     |                      |     | Name:                |     | Gary A. Simanson                      |
|                         |     |                      |     | Title:               |     | Chief Executive Officer and President |