<SEC-DOCUMENT>0001950047-23-004500.txt : 20231016
<SEC-HEADER>0001950047-23-004500.hdr.sgml : 20231016
<ACCEPTANCE-DATETIME>20231016160751
ACCESSION NUMBER:		0001950047-23-004500
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20231016
DATE AS OF CHANGE:		20231016

SUBJECT COMPANY:	

	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

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-36250
		FILM NUMBER:		231327413

	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

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Rothenstein David M
		CENTRAL INDEX KEY:			0001444157

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		7035 RIDGE ROAD
		CITY:			HANOVER
		STATE:			MD
		ZIP:			21076
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001444157</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
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            <liveTestFlag>LIVE</liveTestFlag>



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    <formData>
        <issuerInfo>
            <issuerCik>0000936395</issuerCik>
            <issuerName>CIENA CORPORATION</issuerName>
            <secFileNumber>001-36250</secFileNumber>
            <issuerAddress>
                <ns2:street1>7035 RIDGE ROAD</ns2:street1>
                <ns2:city>HANOVER</ns2:city>
                <ns2:stateOrCountry>MD</ns2:stateOrCountry>
                <ns2:zipCode>21076</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(410) 694-5700</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DAVID ROTHENSTEIN</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>38th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>3500</noOfUnitsSold>
            <aggregateMarketValue>148575.00</aggregateMarketValue>
            <noOfUnitsOutstanding>147842355</noOfUnitsOutstanding>
            <approxSaleDate>10/16/2023</approxSaleDate>
            <securitiesExchangeName>NYSE</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <acquiredDate>12/20/2020</acquiredDate>
            <natureOfAcquisitionTransaction>Performance Shares</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>3500</amountOfSecuritiesAcquired>
            <paymentDate>12/20/2020</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>DAVID ROTHENSTEIN</name>
                <address>
                    <ns2:street1>7035 RIDGE ROAD</ns2:street1>
                    <ns2:city>HANOVER</ns2:city>
                    <ns2:stateOrCountry>MD</ns2:stateOrCountry>
                    <ns2:zipCode>21076</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/15/2023</saleDate>
            <amountOfSecuritiesSold>3500</amountOfSecuritiesSold>
            <grossProceeds>171150.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>DAVID ROTHENSTEIN</name>
                <address>
                    <ns2:street1>7035 RIDGE ROAD</ns2:street1>
                    <ns2:city>HANOVER</ns2:city>
                    <ns2:stateOrCountry>MD</ns2:stateOrCountry>
                    <ns2:zipCode>21076</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/15/2023</saleDate>
            <amountOfSecuritiesSold>3500</amountOfSecuritiesSold>
            <grossProceeds>146160.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>10/16/2023</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>12/15/2022</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ David Marc Rothenstein</signature>
        </noticeSignature>
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