Form 8-K - Current report:
SEC Accession No. 0001628280-25-042266
Filing Date
2025-09-22
Accepted
2025-09-22 09:37:34
Documents
13
Period of Report
2025-09-22
Items
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K cien-20250922.htm   iXBRL 8-K 30234
2 EX-99.1 a250922pressrelease.htm EX-99.1 12800
  Complete submission text file 0001628280-25-042266.txt   163059

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT cien-20250922.xsd EX-101.SCH 1789
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT cien-20250922_lab.xml EX-101.LAB 21885
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT cien-20250922_pre.xml EX-101.PRE 12516
15 EXTRACTED XBRL INSTANCE DOCUMENT cien-20250922_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: 1101
Type: 8-K | Act: 34 | File No.: 001-36250 | Film No.: 251328690
SIC: 3661 Telephone & Telegraph Apparatus
(CF Office: 04 Manufacturing)