{"url_path":"/sec/cien/10-q/2026/item-4","section_key":"item-4","section_title":"Item 4 Mine Safety Disclosures","topic":"sec","document":{"doc_type":"10-Q","doc_date":"2026-06-04","source_url":"https://www.sec.gov/Archives/edgar/data/936395/0001628280-26-040767-index.html","accession_number":"0001628280-26-040767","cik":"0000936395","ticker":"CIEN","issuer_name":"CIENA CORP","edgar_url":"https://www.sec.gov/Archives/edgar/data/936395/0001628280-26-040767-index.html","primary_entity_key":"0000936395","primary_entity_name":"CIENA CORP"},"word_count":7,"has_tables":true,"body_markdown":"Item 4. Mine Safety Disclosures\n\nNot applicable."}