{"schema_version":"secwatch.filing_event.v1","accession":"0000936395-21-000048","form_type":"8-K","ticker":"CIEN","cik":"0000936395","company_name":"CIENA CORP","filed_at":"2021-12-09T23:59:59+00:00","discovered_at":"2026-05-14T18:04:16.335617+00:00","generated_at":"2026-06-28T02:41:32.051200+00:00","sec_items":["2.02","8.01","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Ciena Q4 revenue up 25.7% YoY to $1.04B; adjusted EPS $0.85, +41.7%; authorizes $1B buyback","bullets":["Revenue of $1.0415B, up 25.7% YoY; full-year revenue $3.62B, up 2.5%.","GAAP net income $103.5M ($0.66/diluted share); adjusted net income $132.7M ($0.85/diluted share).","Board authorized repurchase of up to $1.0B of common stock, replacing prior program; intends $250M accelerated share repurchase.","Cash flow from operations $254.9M in Q4; cash and investments $1.7B.","Networking Platforms revenue $828.8M, 79.6% of total; Americas revenue $748.7M (71.9% of total)."],"urls":{"canonical":"https://secwatch.observer/filing/0000936395-21-000048","json":"https://secwatch.observer/filing/0000936395-21-000048.json","markdown":"https://secwatch.observer/filing/0000936395-21-000048.md","text":"https://secwatch.observer/filing/0000936395-21-000048.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/936395/000093639521000048/0000936395-21-000048-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/936395/000093639521000048/cien-20211209.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T02:41:32.051200+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"}