<SEC-DOCUMENT>0000950170-25-019400-index.html : 20250213
<SEC-HEADER>0000950170-25-019400.hdr.sgml : 20250213
<ACCEPTANCE-DATETIME>20250213092554
ACCESSION NUMBER:		0000950170-25-019400
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		164
CONFORMED PERIOD OF REPORT:	20250327
FILED AS OF DATE:		20250213
DATE AS OF CHANGE:		20250213

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:			MD
		FISCAL YEAR END:			1102

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36250
		FILM NUMBER:		25617613

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>cien-20250212.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: cien-20250212.htm
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>46 <FILENAME>img131243170_44.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 46 - file: img131243170_44.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>47 <FILENAME>img131243170_45.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 47 - file: img131243170_45.jpg
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>49 <FILENAME>img131243170_47.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 49 - file: img131243170_47.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>50 <FILENAME>img131243170_48.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 50 - file: img131243170_48.jpg
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>52 <FILENAME>img131243170_50.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 52 - file: img131243170_50.jpg
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>56 <FILENAME>img131243170_54.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 56 - file: img131243170_54.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>57 <FILENAME>img131243170_55.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 57 - file: img131243170_55.jpg
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>65 <FILENAME>img131243170_63.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 65 - file: img131243170_63.jpg
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