{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-081800","form_type":"8-K","ticker":"ADTN","cik":"0000926282","company_name":"ADTRAN Holdings, Inc.","filed_at":"2025-04-16T23:59:59+00:00","discovered_at":"2026-05-14T18:02:51.849678+00:00","generated_at":"2026-05-23T14:08:53.740464+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Adtran Networks SE revises 2024 loss to EUR 10.2M from previously reported EUR 4.5M loss","bullets":["Inventory adjustment increased cost of goods sold, widening EBIT loss by EUR 5.7M.","Revenues and cash position unchanged; full 2024 financials due April 30, 2025.","Parent ADTRAN Holdings assessing impact on its consolidated historical statements."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-081800","json":"https://secwatch.observer/filing/0001193125-25-081800.json","markdown":"https://secwatch.observer/filing/0001193125-25-081800.md","text":"https://secwatch.observer/filing/0001193125-25-081800.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/926282/000119312525081800/0001193125-25-081800-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/926282/000119312525081800/d832749d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-23T14:08:53.740464+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}