<SEC-DOCUMENT>0000950170-23-056920-index.html : 20231031
<SEC-HEADER>0000950170-23-056920.hdr.sgml : 20231031
<ACCEPTANCE-DATETIME>20231031164134
ACCESSION NUMBER:		0000950170-23-056920
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20231027
FILED AS OF DATE:		20231031
DATE AS OF CHANGE:		20231031

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Gage Brodie
		CENTRAL INDEX KEY:			0001998826

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36250
		FILM NUMBER:		231365248

	MAIL ADDRESS:	
		STREET 1:		2351 ALFRED-NOBEL BLVD
		STREET 2:		SUITE N-300
		CITY:			SAINT LAURENT
		STATE:			A8
		ZIP:			H4S 2A9

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CIENA CORP
		CENTRAL INDEX KEY:			0000936395
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
		IRS NUMBER:				232725311
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1028

	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>3
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>3
<TEXT>
Document 1 - file: ownership.html

Document 1 - RAW XML: ownership.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>cien-ex24.htm
<DESCRIPTION>EX-24
<TEXT>
Document 2 - file: cien-ex24.htm

</DOCUMENT>
</SEC-DOCUMENT>