Company: CNCKW
Filing Date: 2025-09-10
Form Type: 424B3
Source: 0001213900-25-086398
Chunk: 286

Company: Coincheck Group N.V.
Filing Date: 2025-09-10
Form: 424B3
Chunk 286
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     | Monex,Inc.                |     | Provision of sales service |     |                         5 |     |     2 |

Below is the related -partytransaction impact on the condensed consolidated interim statements of profit or loss and other comprehensive income for the three months ended June 30, 2024 and 2025:

| (Unit: In millions)            
 Type of related party          |     | Name of related party     |      | Detail of transaction              |     | For the three months ended 
 June 30,                   |       |     |   |       |
| 2024                           |     |                           | 2025 |                                    |     |                            |       |     |   |       |
| Parent company                 |     | Monex Group, Inc.         |      | Business management service fee(2) |     | ¥                          |   156 |     | ¥ |     — |
| Subsidiaries of parent company |     | Monex Finance Corporation |      | Interest expense                   |     |                            |     4 |     |   |    22 |
| Associates of parent company   |     | Monex, Inc.               |      | Transaction revenue(1)             |     |                            | 1,619 |     |   | 1,715 |
|                                |     |                           |      | Cost of sales(1)                   |     |                            | 1,614 |     |   | 1,710 |
|                                |     |                           |      | Provision of sales service         |     |                            |    15 |     |   |     6 |
|                                |     |                           |      | Derivative gains(5)                |     |                            |    23 |     |   |     — |

____________ (1)Certain of Coincheck’s managing directors and related parties purchase or sell crypto assets on Coincheck’s marketplace platform. The transactions for the three months ended June 30, 2024 and 2025, were made on terms equivalent to those that prevail in arm’s -lengthtransactions. The Company recognized the corresponding transaction revenue amounting to ¥1,619 million and ¥1,715 million for the three months ended June 30, 2024 and 2025, respectively.

F-64

COINCHECK GROUP N.V. and its subsidiaries.
NOTES TO THE CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS
(UNAUDITED) 11.Related parties (