---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-23-065610"
form_type: "8-K"
ticker: null
cik: "0001815753"
company_name: "Thunder Bridge Capital Partners III Inc."
filed_at: "2023-08-10T23:59:59+00:00"
generated_at: "2026-06-11T18:47:01.020322+00:00"
event_type: "regulatory"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Thunder Bridge Capital Partners III extends SPAC deadline to Feb 2024 after shareholder vote

## Summary
- Sponsor TBCP III, LLC converted 10,349,999 Class B shares to Class A on August 7, now holds ~94.9% of Class A stock.
- Stockholders approved charter amendment to extend business combination deadline from August 10, 2023 to February 10, 2024.
- Holders of 486,584 Class A shares redeemed for approximately $5.0 million (about $10.25 per share) in connection with the vote.
- Special meeting on August 4 also approved a founder share conversion amendment and ratification of Grant Thornton LLP as auditor.

## SEC filing metadata
- accession: 0001213900-23-065610
- form_type: 8-K
- cik: 0001815753
- company_name: Thunder Bridge Capital Partners III Inc.
- filed_at: 2023-08-10T23:59:59+00:00
- event_type: regulatory
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 3.02, 5.03, 5.07, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1815753/000121390023065610/0001213900-23-065610-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1815753/000121390023065610/ea183205-8k_thunder3.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-23-065610
- JSON: https://secwatch.observer/filing/0001213900-23-065610.json
- Plain text: https://secwatch.observer/filing/0001213900-23-065610.txt

## Key facts
- Governance Changes
  Thunder Bridge Capital Partners III Inc.: Charter amended to extend deadline to complete a Business Combination from August 10, 2023 to February 10, 2024 and to provide for one-for-one conversion of Class B common stock into Class A common stock prior to closing of a Business Combination (effective 2023-08-04).
  - Change: charter amendment
  - Effective: 2023-08-04
  source text: The terms of the Charter Amendment are set forth in the Company’s definitive proxy statement filed with the SEC on July 21, 2023. The foregoing description is qualified in its entirety by reference to the Charter Amendment, a copy of which is attached as Exhibit 3.1 hereto and is incorporated by reference herein.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1815753/000121390023065610/0001213900-23-065610-index.htm
- Shareholder Votes
  Thunder Bridge Capital Partners III Inc. shareholders approved Proposal to ratify the selection by the Board’s Audit Committee of Grant Thornton LLP to serve as the Company’s independent registered public accounting firm for the year ending December 31, 2023 (Auditor Ratification Proposal) at the 2023-07-21 meeting.
  - Proposal: auditor ratification
  - Outcome: passed
  - Meeting: 2023-07-21
  source text: The Auditor Ratification Proposal was approved with the following vote from the holders of Common Stock: For Against Abstentions 12,026,837 119 218
  evidence_url: https://www.sec.gov/Archives/edgar/data/1815753/000121390023065610/0001213900-23-065610-index.htm
- Shareholder Votes
  Thunder Bridge Capital Partners III Inc. shareholders approved Proposal to amend the Charter to provide for the right of a holder of shares of the Company’s Class B common stock to convert such shares into shares of the Company’s Class A common stock on a one-for-one basis prior to the closing of a Business Combination (Founder Share Amendment Proposal) at the 2023-07-21 meeting.
  - Proposal: charter amendment
  - Outcome: passed
  - Meeting: 2023-07-21
  source text: The Founder Share Amendment Proposal was approved with the following vote from the holders of Common Stock: For Against Abstentions 12,015,836 11,120 218
  evidence_url: https://www.sec.gov/Archives/edgar/data/1815753/000121390023065610/0001213900-23-065610-index.htm
- Shareholder Votes
  Thunder Bridge Capital Partners III Inc. shareholders approved Proposal to extend the date by which the Company must consummate a Business Combination from August 10, 2023 to February 10, 2024 by amending the Charter (Extension Amendment Proposal) at the 2023-07-21 meeting.
  - Proposal: charter amendment
  - Outcome: passed
  - Meeting: 2023-07-21
  source text: The Extension Amendment Proposal was approved with the following vote from the holders of Common Stock: For Against Abstentions 11,988,886 38,288 0
  evidence_url: https://www.sec.gov/Archives/edgar/data/1815753/000121390023065610/0001213900-23-065610-index.htm

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