<SEC-DOCUMENT>0001444157-21-000018-index.html : 20210817 <SEC-HEADER>0001444157-21-000018.hdr.sgml : 20210817 <ACCEPTANCE-DATETIME>20210817140132 ACCESSION NUMBER: 0001444157-21-000018 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210816 FILED AS OF DATE: 20210817 DATE AS OF CHANGE: 20210817 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Rothenstein David M CENTRAL INDEX KEY: 0001444157 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36250 FILM NUMBER: 211182267 MAIL ADDRESS: STREET 1: 7035 RIDGE ROAD CITY: HANOVER STATE: MD ZIP: 21076 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: 1030 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>4 <SEQUENCE>1 <FILENAME>edgardoc.xml <DESCRIPTION>PRIMARY DOCUMENT <TEXT> Document 1 - file: edgardoc.html
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