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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001193125-23-017784
Filing Date
2023-01-27
Accepted
2023-01-27 17:23:31
Documents
13
Period of Report
2023-01-26
Items
Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K d455318d8k.htm   iXBRL 8-K 32915
2 EX-3.1 d455318dex31.htm EX-3.1 127221
  Complete submission text file 0001193125-23-017784.txt   319305

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA cien-20230126.xsd EX-101.SCH 2844
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE cien-20230126_lab.xml EX-101.LAB 17980
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE cien-20230126_pre.xml EX-101.PRE 11254
7 EXTRACTED XBRL INSTANCE DOCUMENT d455318d8k_htm.xml XML 3453
Mailing Address 7035 RIDGE ROAD HANOVER MD 21076
Business Address 7035 RIDGE ROAD HANOVER MD 21076 4108658500
CIENA CORP (Filer) CIK: 0000936395 (see all company filings)

IRS No.: 232725311 | State of Incorp.: DE | Fiscal Year End: 1029
Type: 8-K | Act: 34 | File No.: 001-36250 | Film No.: 23564388
SIC: 3661 Telephone & Telegraph Apparatus