Form 8-K - Current report:
SEC Accession No. 0001628280-26-015006
Filing Date
2026-03-05
Accepted
2026-03-05 07:49:58
Documents
43
Period of Report
2026-03-05
Items
Item 2.02: Results of Operations and Financial Condition
Item 9.01: Financial Statements and Exhibits

Document Format Files

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2 EX-99.1 ex9912026q1earningspressre.htm EX-99.1 317861
3 EX-99.2 ex9922026q1earningsprese.htm EX-99.2 29778
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  Complete submission text file 0001628280-26-015006.txt   4373964

Data Files

Seq Description Document Type Size
4 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT cien-20260305.xsd EX-101.SCH 1789
5 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT cien-20260305_lab.xml EX-101.LAB 21885
6 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT cien-20260305_pre.xml EX-101.PRE 12516
45 EXTRACTED XBRL INSTANCE DOCUMENT cien-20260305_htm.xml XML 2685
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)

EIN.: 232725311 | State of Incorp.: MD | Fiscal Year End: 1031
Type: 8-K | Act: 34 | File No.: 001-36250 | Film No.: 26724226
SIC: 3661 Telephone & Telegraph Apparatus
(CF Office: 04 Manufacturing)