{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-018367","form_type":"8-K","ticker":"ADTN","cik":"0000926282","company_name":"ADTRAN Holdings, Inc.","filed_at":"2026-01-22T23:59:59+00:00","discovered_at":"2026-05-14T18:02:38.069222+00:00","generated_at":"2026-05-16T09:12:08.727925+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 preliminary Q4 revenue $290-293M beats guidance; non-GAAP EPS above consensus","bullets":["Preliminary Q4 revenue $290-293M, above guidance of $275-285M.","Preliminary non-GAAP EPS for Q4 exceeds analyst consensus of $0.08 (exact amount TBD).","Non-GAAP operating margin 6.0%-6.9%, within prior guidance of 3.5%-7.5%.","Full year preliminary GAAP revenue ~$1.082-1.085B; GAAP operating margin (1.5)%-(1.4)%.","Final audited results to be released on Feb 25, 2026, with conference call Feb 26."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-018367","json":"https://secwatch.observer/filing/0001193125-26-018367.json","markdown":"https://secwatch.observer/filing/0001193125-26-018367.md","text":"https://secwatch.observer/filing/0001193125-26-018367.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/926282/000119312526018367/0001193125-26-018367-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/926282/000119312526018367/adtn-20260121.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T09:12:08.727925+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"}