---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-020899"
form_type: "8-K"
ticker: "CNDA"
cik: "0001851959"
company_name: "Concord Acquisition Corp II"
filed_at: "2025-03-05T23:59:59+00:00"
generated_at: "2026-05-25T11:24:00.529936+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# Concord Acquisition Corp II extends deadline to Dec 2025; nearly all public shares redeemed for $23.8M

## Summary
- Stockholders approved extension of business combination deadline from March 3, 2025 to December 31, 2025.
- 2,191,753 Class A shares redeemed at approx. $10.84/share for total ~$23.8 million.
- Trust account balance reduced to about $92,709 from the prior balance.
- 82% of shares voted in favor; results: 6,863,295 FOR, 658,227 AGAINST.
- Company now has minimal trust funds to pursue any business combination.

## SEC filing metadata
- accession: 0001104659-25-020899
- form_type: 8-K
- ticker: CNDA
- cik: 0001851959
- company_name: Concord Acquisition Corp II
- filed_at: 2025-03-05T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 5.03, 5.07, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1851959/000110465925020899/0001104659-25-020899-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1851959/000110465925020899/tm257966d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-020899
- JSON: https://secwatch.observer/filing/0001104659-25-020899.json
- Plain text: https://secwatch.observer/filing/0001104659-25-020899.txt

## Key facts
- Governance Changes
  Concord Acquisition Corp II: Extended the deadline to consummate a business combination from March 3, 2025 to December 31, 2025 (effective 2025-02-28).
  - Change: charter amendment
  - Effective: 2025-02-28
  source text: As approved by its stockholders at the Special Meeting, the Company filed an amendment to its amended and restated certificate of incorporation with the Delaware Secretary of State on February 28, 2025 (the “Charter Amendment”), to extend the date by which the Company has to consummate a business combination from March 3, 2025 (the “Termination Date”) to December 31, 2025, or such earlier date as may be determined by the board of directors of the Company (the “Extended Date”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1851959/000110465925020899/0001104659-25-020899-index.htm

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