{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-25-028352","form_type":"8-K","ticker":"ADTN","cik":"0000926282","company_name":"ADTRAN Holdings, Inc.","filed_at":"2025-02-27T23:59:59+00:00","discovered_at":"2026-05-14T18:03:06.842856+00:00","generated_at":"2026-05-26T02:58:46.328308+00:00","sec_items":["2.02","7.01","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"ADTRAN Q4 revenue $242.9M (+7% seq); GAAP EPS -$0.58, non-GAAP EPS $0.00","bullets":["Q4 2024 revenue $242.9M, above mid-point of outlook; GAAP gross margin 37.6%, non-GAAP 42.0%.","GAAP diluted loss per share $0.58; non-GAAP diluted EPS $0.00.","Q1 2025 revenue guidance $237.5M-$252.5M; non-GAAP operating margin 0%-4%.","CEO cites improving market conditions, higher service provider spending, lower customer inventories.","Company expects higher Q1 2025 revenue despite typical seasonality."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-25-028352","json":"https://secwatch.observer/filing/0000950170-25-028352.json","markdown":"https://secwatch.observer/filing/0000950170-25-028352.md","text":"https://secwatch.observer/filing/0000950170-25-028352.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/926282/000095017025028352/0000950170-25-028352-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/926282/000095017025028352/adtn-20250226.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-26T02:58:46.328308+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"}