{"schema_version":"secwatch.filing_event.v1","accession":"0000936395-23-000003","form_type":"8-K","ticker":"CIEN","cik":"0000936395","company_name":"CIENA CORP","filed_at":"2023-01-24T23:59:59+00:00","discovered_at":"2026-05-14T18:03:48.652334+00:00","generated_at":"2026-06-20T11:25:54.186984+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Ciena appoints David M. Rothenstein as SVP, Chief Strategy Officer and Corporate Secretary","bullets":["Appointment effective January 30, 2023; Rothenstein had served in the role on an acting basis since March 2022.","Rothenstein will lead strategic planning, M&A, alliances, partnerships, and venture capital investments.","Rothenstein resigned his prior role as Senior Vice President and General Counsel, effective same date."],"urls":{"canonical":"https://secwatch.observer/filing/0000936395-23-000003","json":"https://secwatch.observer/filing/0000936395-23-000003.json","markdown":"https://secwatch.observer/filing/0000936395-23-000003.md","text":"https://secwatch.observer/filing/0000936395-23-000003.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/936395/000093639523000003/0000936395-23-000003-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/936395/000093639523000003/a8-krothenstein.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-20T11:25:54.186984+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":[{"claim_id":"56ce1eac3a","claim":"David M. Rothenstein was appointed as Senior Vice President, Chief Strategy Officer and Corporate Secretary at CIENA CORP.","evidence_excerpt":"On January 24, 2023, Ciena Corporation (“Ciena”) announced the appointment of David M. Rothenstein as Senior Vice President, Chief Strategy Officer and Corporate Secretary, effective as of January 30, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/936395/000093639523000003/0000936395-23-000003-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Senior Vice President, Chief Strategy Officer and Corporate Secretary"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}