{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-073361","form_type":"8-K","ticker":"ADTN","cik":"0000926282","company_name":"ADTRAN Holdings, Inc.","filed_at":"2026-02-26T23:59:59+00:00","discovered_at":"2026-05-14T18:02:38.069359+00:00","generated_at":"2026-05-16T00:00:59.331732+00:00","sec_items":["2.02","7.01","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Adtran Q4 revenue $291.6M (+20.1% YoY), beats guidance; non-GAAP EPS $0.16","bullets":["Q4 revenue $291.6M, +20.1% YoY; GAAP diluted loss per share $0.02, non-GAAP diluted EPS $0.16.","GAAP gross margin 39.0% (up 213 bps YoY); non-GAAP gross margin 42.5% (up 122 bps).","Net cash from operations $42.2M; cash and equivalents $95.7M.","Q1 2026 guidance: revenue $275M-$295M; non-GAAP operating margin 4%-8%.","CEO cites solid execution, fiber investment momentum; cloud/enterprise and broadband drivers."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-073361","json":"https://secwatch.observer/filing/0001193125-26-073361.json","markdown":"https://secwatch.observer/filing/0001193125-26-073361.md","text":"https://secwatch.observer/filing/0001193125-26-073361.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/926282/000119312526073361/0001193125-26-073361-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/926282/000119312526073361/adtn-20260225.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T00:00:59.331732+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"}