---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-24-107527"
form_type: "8-K"
ticker: null
cik: "0001843993"
company_name: "Thunder Bridge Capital Partners IV, Inc."
filed_at: "2024-12-10T23:59:59+00:00"
generated_at: "2026-05-29T05:17:29.863178+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Thunder Bridge IV completes merger with Coincheck, becomes Coincheck Group N.V., trading starts Dec 11

## Summary
- Business combination closed Dec 10, 2024; Coincheck Group N.V. ordinary shares and warrants to trade on Nasdaq as CNCK and CNCKW starting Dec 11.
- Gross proceeds of approx. $31.6 million to combined company, net of Thunder Bridge shareholder redemptions.
- Thunder Bridge securities delisted from Nasdaq as of close Dec 10; all former officers and directors resigned.
- Deal approved at Thunder Bridge special shareholder meeting on Dec 5, 2024.
- Coincheck Japan is Japan's No.1 most downloaded crypto trading app for five consecutive years.

## SEC filing metadata
- accession: 0001213900-24-107527
- form_type: 8-K
- cik: 0001843993
- company_name: Thunder Bridge Capital Partners IV, Inc.
- filed_at: 2024-12-10T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 1.01, 1.02, 2.01, 3.01, 3.03, 5.01, 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1843993/000121390024107527/0001213900-24-107527-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1843993/000121390024107527/ea0224264-8k_thunder4.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-24-107527
- JSON: https://secwatch.observer/filing/0001213900-24-107527.json
- Plain text: https://secwatch.observer/filing/0001213900-24-107527.txt

## Key facts
- M&A Transactions
  Thunder Bridge Capital Partners IV, Inc. underwent a change of control involving Coincheck Group B.V. (closed 2024-12-10).
  - Action: change of control
  - Counterparty: Coincheck Group B.V.
  - Closing: 2024-12-10
  source text: Merger Sub merged with and into Thunder Bridge on the Closing Date, with Thunder Bridge continuing as the surviving corporation
  evidence_url: https://www.sec.gov/Archives/edgar/data/1843993/000121390024107527/0001213900-24-107527-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.