Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001628280-25-056698
Filing Date
2025-12-12
Accepted
2025-12-12 13:42:26
Documents
144
Period of Report
2025-11-01

Document Format Files

Seq Description Document Type Size
1 10-K cien-20251101.htm   iXBRL 10-K 2736369
2 EX-10.5 ex105-2017planxrsuagreemen.htm EX-10.5 253090
3 EX-10.31 ex10312025formcicoseveranc.htm EX-10.31 86262
4 EX-10.32 ex10322025formcicoseveranc.htm EX-10.32 85596
5 EX-21.1 ex2112025111-subsidiarieso.htm EX-21.1 4437
6 EX-23.1 ex231202511110kpwcconsent.htm EX-23.1 2164
7 EX-31.1 ex311202511110kceocert302.htm EX-31.1 8609
8 EX-31.2 ex312202511110kcfocert302.htm EX-31.2 8531
9 EX-32.1 ex321202511110kceocert906.htm EX-32.1 4789
10 EX-32.2 ex322202511110kcfocert906.htm EX-32.2 4445
16 cien-20251101_g1.jpg GRAPHIC 20563
17 cien-20251101_g2.jpg GRAPHIC 291319
  Complete submission text file 0001628280-25-056698.txt   16953082

Data Files

Seq Description Document Type Size
11 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT cien-20251101.xsd EX-101.SCH 101608
12 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT cien-20251101_cal.xml EX-101.CAL 183599
13 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT cien-20251101_def.xml EX-101.DEF 467011
14 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT cien-20251101_lab.xml EX-101.LAB 1175503
15 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT cien-20251101_pre.xml EX-101.PRE 832637
147 EXTRACTED XBRL INSTANCE DOCUMENT cien-20251101_htm.xml XML 2945355
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: 10-K | Act: 34 | File No.: 001-36250 | Film No.: 251567469
SIC: 3661 Telephone & Telegraph Apparatus
(CF Office: 04 Manufacturing)