Ciena(CIEN) - 2023 Q3 - Quarterly Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) For the transition period from to 23-2725311 (I.R.S. Employer Identification No.) 21076 (Zip Code) If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ Class Outstanding as of September 1, 2023 PAGE NUMBER PART I — FINANC ...