secwatch.observer — SEC 8-K summary ====================================== Issuer: ADTRAN Holdings, Inc. (ADTN) CIK: 0000926282 Form: 8-K Filed at: 2025-05-13T23:59:59+00:00 Accession: 0000950170-25-070473 Event type: other_material Sentiment: negative Materiality: 0.85 Item codes: 4.02, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 ADTRAN Holdings restates FY23/FY24 results; €5.7M inventory error; annual meeting postponed -------------------------------------------------------------------------------- - Audit Committee concludes 2023 and 2024 annual and interim financials should no longer be relied upon due to inventory adjustment. - Subsidiary Adtran Networks SE's €5.7M increase in cost of goods sold was not properly communicated before filing. - At least one additional material weakness identified in internal controls; PwC opinions on prior periods withdrawn. - Annual meeting postponed from May 14, 2025 pending restatement; Form 12b-25 to be filed for Q1 10-Q extension. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/926282/000095017025070473/0000950170-25-070473-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/926282/000095017025070473/adtn-20250513.htm HTML page: https://secwatch.observer/filing/0000950170-25-070473 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer