Form 8-K - Current report:
SEC Accession No. 0001193125-26-260665
Filing Date
2026-06-08
Accepted
2026-06-08 07:08:08
Documents
13
Period of Report
2026-06-08
Items
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K d125730d8k.htm   iXBRL 8-K 32661
2 EX-99.1 d125730dex991.htm EX-99.1 15236
6 GRAPHIC g125730dsp002.jpg GRAPHIC 4325
  Complete submission text file 0001193125-26-260665.txt   173794

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA cien-20260608.xsd EX-101.SCH 3170
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE cien-20260608_lab.xml EX-101.LAB 17232
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE cien-20260608_pre.xml EX-101.PRE 10805
17 EXTRACTED XBRL INSTANCE DOCUMENT d125730d8k_htm.xml XML 3516
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.: 261071003
SIC: 3661 Telephone & Telegraph Apparatus
(CF Office: 04 Manufacturing)