Company: CNCKW
Filing Date: 2025-11-14
Form Type: 6-K
Source: 0001913847-25-000029
Chunk: 1

Company: Coincheck Group N.V.
Filing Date: 2025-11-14
Form: 6-K
Chunk 1
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uant 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 14, 2025 |     | COINCHECK GROUP N.V. 
 By:                  |     | /s/ Gary A. Simanson |     |                                       |
|:------------------------|:----|:---------------------|:----|:---------------------|:----|:--------------------------------------|
|                         |     |                      |     | Name:                |     | Gary A. Simanson                      |
|                         |     |                      |     | Title:               |     | Chief Executive Officer and President |

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