{"schema_version":"secwatch.filing_event.v1","accession":"0000936395-21-000036","form_type":"8-K","ticker":"CIEN","cik":"0000936395","company_name":"CIENA CORP","filed_at":"2021-09-02T23:59:59+00:00","discovered_at":"2026-05-14T18:04:21.338321+00:00","generated_at":"2026-06-29T06:19:00.705517+00:00","sec_items":["2.02","8.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"Ciena Q3 revenue $988M, adj. EPS $0.92; acquires Vyatta virtual routing from AT&T","bullets":["Revenue $988.1M (+1.2% YoY); GAAP EPS $1.52 includes $124.2M tax benefit; adj. EPS $0.92 vs $1.06 YoY.","GAAP operating margin 15.0% (down from 19.3%); adj. operating margin 19.1% (down from 22.4%).","Ciena to acquire Vyatta virtual routing/switching from AT&T; expected close by end of calendar year; terms undisclosed.","Ciena to support Vyatta in AT&T's 5G wireless network; engineering team to be integrated into Ciena R&D.","Cash and investments $1.5B; repurchased $26M in shares during quarter."],"urls":{"canonical":"https://secwatch.observer/filing/0000936395-21-000036","json":"https://secwatch.observer/filing/0000936395-21-000036.json","markdown":"https://secwatch.observer/filing/0000936395-21-000036.md","text":"https://secwatch.observer/filing/0000936395-21-000036.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/936395/000093639521000036/0000936395-21-000036-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/936395/000093639521000036/cien-20210902.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T06:19:00.705517+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"}