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    ACCESSION NUMBER:		0000936395-24-000037
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		35
    CONFORMED PERIOD OF REPORT:	20241212
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
    ITEM INFORMATION:		Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20241212
    DATE AS OF CHANGE:		20241212

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CIENA CORP
    		CENTRAL INDEX KEY:			0000936395
    		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
    		ORGANIZATION NAME:           	04 Manufacturing
    		IRS NUMBER:				232725311
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1228

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    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-36250
    		FILM NUMBER:		241543249

    	BUSINESS ADDRESS:
    		STREET 1:		7035 RIDGE ROAD
    		CITY:			HANOVER
    		STATE:			MD
    		ZIP:			21076
    		BUSINESS PHONE:		4108658500

    	MAIL ADDRESS:
    		STREET 1:		7035 RIDGE ROAD
    		CITY:			HANOVER
    		STATE:			MD
    		ZIP:			21076
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