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Concord Acquisition Corp II (CNDA): material weakness open 1,855 days

By , Ctrl Worx™. Built from its own SEC filings. How the Clock works.

Concord Acquisition Corp II reported ineffective internal control over financial reporting because of a material weakness in 4 filings since Feb 27, 2023. It stated one or more material weaknesses in 16 more SEC filings that gave no conclusion on whether that control is effective. The latest was its 10-Q for the period ended Jun 30, 2026.

Ctrl Worx Watch List™ status

On the Clock
5.1 yearsopen since Sep 30, 2021
10-Q, Aug 13, 2026latest filing that reports the weakness. Read it on SEC EDGAR
#390 of 1,250on the Clock by time open, tied with 22 other companies that share its start date. See the Clock

Still filing, and no annual report of its own says the weakness is fixed.

Checked against SEC EDGAR: Oct 29, 2026 · Entry #12090

Filings with a weakness20
First in our dataNov 15, 2021
AuditorCBIZ CPAs P.C.

Causes the company named

Complex or non-routine accounting · 20Accounting expertise and resources · 4

What the latest filing says

Based upon their evaluation, and due to a material weakness in our internal control over financial reporting over the accounting for complex financial instruments, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) were not effective as of June 30, 2026. Changes in Internal Control over Financial Reporting There was no change in our internal control over financial reporting that occurred during the fiscal quarter ended June 30, 2026, covered by this Quarterly Report on Form 10-Q that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting, except as described below. The Company has made changes in its internal control over financial reporting to enhance our processes to identify and appropriately apply applicable accounting requirements to better evaluate and understand the nuances of the complex accounting standards that apply to our financial statements, including providing enhanced access to ac [...]

From the controls section of the 10-Q filed Aug 13, 2026. Read the full filing on SEC EDGAR.

Company response: Concord Acquisition Corp II can send a statement or a link to its remediation update to russell@ctrlworx.com. We post it here, unedited and dated.

Filings

FiledFormPeriodControlsCausesFiling
Aug 13, 202610-QJun 30, 2026Material weakness stated, no ICFR conclusionComplex or non-routine accountingEDGAR
May 14, 202610-QMar 31, 2026Material weakness stated, no ICFR conclusionComplex or non-routine accountingEDGAR
Mar 25, 202610-KDec 31, 2025Not effectiveComplex or non-routine accountingEDGAR
Nov 6, 202510-QSep 30, 2025Material weakness stated, no ICFR conclusionComplex or non-routine accountingEDGAR
Aug 5, 202510-QJun 30, 2025Material weakness stated, no ICFR conclusionComplex or non-routine accountingEDGAR
May 6, 202510-QMar 31, 2025Material weakness stated, no ICFR conclusionComplex or non-routine accountingEDGAR
Feb 19, 202510-KDec 31, 2024Not effectiveComplex or non-routine accountingEDGAR
Oct 30, 202410-QSep 30, 2024Material weakness stated, no ICFR conclusionComplex or non-routine accountingEDGAR
Aug 7, 202410-QJun 30, 2024Material weakness stated, no ICFR conclusionComplex or non-routine accountingEDGAR
May 3, 202410-QMar 31, 2024Material weakness stated, no ICFR conclusionComplex or non-routine accountingEDGAR
Mar 1, 202410-KDec 31, 2023Not effectiveComplex or non-routine accountingEDGAR
Nov 7, 202310-QSep 30, 2023Material weakness stated, no ICFR conclusionComplex or non-routine accountingEDGAR
Jul 27, 202310-QJun 30, 2023Material weakness stated, no ICFR conclusionComplex or non-routine accountingEDGAR
May 11, 202310-QMar 31, 2023Material weakness stated, no ICFR conclusionComplex or non-routine accountingEDGAR
Feb 27, 202310-KDec 31, 2022Not effectiveAccounting expertise and resources; Complex or non-routine accountingEDGAR
Nov 4, 202210-QSep 30, 2022Material weakness stated, no ICFR conclusionAccounting expertise and resources; Complex or non-routine accountingEDGAR
Aug 4, 202210-QJun 30, 2022Material weakness stated, no ICFR conclusionComplex or non-routine accountingEDGAR
May 10, 202210-QMar 31, 2022Material weakness stated, no ICFR conclusionAccounting expertise and resources; Complex or non-routine accountingEDGAR
Mar 11, 202210-KDec 31, 2021Material weakness stated, no ICFR conclusionComplex or non-routine accountingEDGAR
Nov 15, 202110-QSep 30, 2021Material weakness stated, no ICFR conclusionAccounting expertise and resources; Complex or non-routine accountingEDGAR

Others on the Clock in the same industry

By SEC industry code: 6770, Blank Checks, then related codes.

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Based on public SEC filings. Causes are grouped into standard categories by Ctrl Worx. The filings are the authority. Ctrl Worx is not affiliated with Concord Acquisition Corp II or the SEC. Not investment advice. Why you can rely on the Watch List.