Form 8-K - Current report:
SEC Accession No. 0001628280-25-055133
Filing Date
2025-12-04
Accepted
2025-12-03 17:34:33
Documents
12
Period of Report
2025-11-30
Items
Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Document Format Files

Seq Description Document Type Size
1 8-K cien-20251130.htm   iXBRL 8-K 28959
  Complete submission text file 0001628280-25-055133.txt   144451

Data Files

Seq Description Document Type Size
2 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT cien-20251130.xsd EX-101.SCH 1789
3 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT cien-20251130_lab.xml EX-101.LAB 21885
4 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT cien-20251130_pre.xml EX-101.PRE 12516
14 EXTRACTED XBRL INSTANCE DOCUMENT cien-20251130_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.: 251547505
SIC: 3661 Telephone & Telegraph Apparatus
(CF Office: 04 Manufacturing)