{"url_path":"/sec/cien/10-q/2026/item-6","section_key":"item-6","section_title":"Item 6 Exhibits","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":258,"has_tables":true,"body_markdown":"Item 6. Exhibits\n\n31.1\n[Certification of Chief Executive Officer Pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934 as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002](ex311certofceo05-02x26.htm)\n\n31.2\n[Certification of Chief Financial Officer Pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934 as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002](ex312certofcfo05-02x26.htm)\n\n32.1\n[Certification of Chief Executive Officer Pursuant to 18 U.S.C. Section 1350 as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002](ex321certofceosection90605.htm)\n\n32.2\n[Certification of Chief Financial Officer Pursuant to 18 U.S.C. Section 1350 as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002](ex322certofcfosection90605.htm)\n\n101.INSInline XBRL Instance Document - The instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.\n\n101.SCHInline XBRL Taxonomy Extension Schema Document\n\n101.CALInline XBRL Taxonomy Extension Calculation Linkbase Document\n\n101.DEFInline XBRL Taxonomy Extension Definition Linkbase Document\n\n101.LABInline XBRL Taxonomy Extension Label Linkbase Document\n\n101.PREInline XBRL Taxonomy Extension Presentation Linkbase Document\n\n104Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)\n\n39\n\nSIGNATURES\n\nPursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.\n\n Ciena Corporation\n \n\nDate:June 4, 2026By:  /s/ Gary B. Smith  \n\n  Gary B. Smith \n\n  President, Chief Executive Officer\nand Director\n(Duly Authorized Officer) \n\n  \n\nDate:June 4, 2026By:  /s/ Marc D. Graff \n\n  Marc D. Graff\n\n  Senior Vice President and\nChief Financial Officer\n(Principal Financial Officer) \n\n40"}