Company: CNCKW
Filing Date: 2025-04-10
Form Type: 424B3
Source: 0001213900-25-030417
Chunk: 0

Company: Coincheck Group N.V.
Filing Date: 2025-04-10
Form: 424B3
Chunk 0
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| PROSPECTUS |     | Filed Pursuant to Rule 424(b)(3) 
 Registration No. 333-284537      |

COINCHECK GROUP N.V. Primary Offering of 4,860,148 Ordinary Shares Underlying Warrants Secondary Offering of 127,895,040 Ordinary Shares
129,611 Warrants to Purchase Ordinary Shares and
129,611 Ordinary Shares Underlying Warrants This prospectus relates to the offer and sale by us of (i) up to 4,730,537 of our ordinary shares with a nominal value of one eurocent (EUR 0.01) each (“Ordinary Shares”) that are issuable by us upon the exercise of 4,730,537 Public Warrants (as defined below) that were previously registered, and (ii) up to 129,611 Ordinary Shares that are issuable by us upon the exercise of 129,611 Private Warrants (as defined below). This prospectus also relates to the offer and sale from time to time by the selling securityholders named in this prospectus (collectively, the “Selling Securityholders”) of (A)up to 127,895,040 Ordinary Shares, comprising (i)up to 4,195,973 Ordinary Shares (the “TBCP Ordinary Shares”) that were issued to TBCP IV, LLC (the “Thunder Bridge Sponsor” or “Sponsor”) in exchange for (i) 3,547,918shares of common stock of TBCP IV, LLC and (ii) 648,055 outstanding placement units held by the Thunder Bridge Sponsor that were issued in connection with the private placement that closed simultaneously with the closing of Thunder Bridge’s initial public offering pursuant to the Placement Unit Purchase Agreement, dated June 29, 2021, between Thunder Bridge and Thunder Bridge Sponsor; (ii)up to an aggregate of 122,587,617 Ordinary Shares (the “CNCK Ordinary Shares” and, together with the TBCP Ordinary Shares, the “BCA Ordinary Shares”) received by the Coincheck Shareholders in exchange for their existing equity interests in Coincheck, Inc. in connection with the completion of the Business Combination, including (1) up to 109,097,910 Ordinary Shares that were received by Monex Group, Inc., (“Monex”) (2) up to 9,700,464 Ordinary Shares that were received by Koichiro Wada (“Koichiro Wada”), and (3) up