<SEC-DOCUMENT>0000936395-18-000031-index.html : 20180830 <SEC-HEADER>0000936395-18-000031.hdr.sgml : 20180830 <ACCEPTANCE-DATETIME>20180830071435 ACCESSION NUMBER: 0000936395-18-000031 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 30 CONFORMED PERIOD OF REPORT: 20180830 ITEM INFORMATION: Results of Operations and Financial Condition ITEM INFORMATION: Financial Statements and Exhibits FILED AS OF DATE: 20180830 DATE AS OF CHANGE: 20180830 FILER: 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: 1031 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-36250 FILM NUMBER: 181045519 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>8-K <SEQUENCE>1 <FILENAME>a8-kq32018.htm <DESCRIPTION>8-K <TEXT> Document 1 - file: a8-kq32018.htm
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