# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000936395-21-000054
Filing Date
2021-12-17
Accepted
2021-12-17 16:48:15
Documents
141
Period of Report
2021-10-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | cien-20211030.htm iXBRL | 10-K | 3654190
2 | EX-21.1 | ex21120211030-subsidiaries.htm | EX-21.1 | 3652
3 | EX-23.1 | ex2312021103010kpwcconsent.htm | EX-23.1 | 2887
4 | EX-31.1 | ex3112021103010kceocert302.htm | EX-31.1 | 8842
5 | EX-31.2 | ex3122021103010kcfocert302.htm | EX-31.2 | 8782
6 | EX-32.1 | ex3212021103010kceocert906.htm | EX-32.1 | 4967
7 | EX-32.2 | ex3222021103010kcfocert906.htm | EX-32.2 | 4618
13 |  | cien-20211030_g1.jpg | GRAPHIC | 48418
| Complete submission text file | 0000936395-21-000054.txt |  | 16599292

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
8 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | cien-20211030.xsd | EX-101.SCH | 93900
9 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | cien-20211030_cal.xml | EX-101.CAL | 179695
10 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | cien-20211030_def.xml | EX-101.DEF | 445346
11 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | cien-20211030_lab.xml | EX-101.LAB | 1167149
12 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | cien-20211030_pre.xml | EX-101.PRE | 783522
14 | EXTRACTED XBRL INSTANCE DOCUMENT | cien-20211030_htm.xml | XML | 3429104

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.: DE | Fiscal Year End: 1030
Type: 10-K | Act: 34 | File No.: 001-36250 | Film No.: 211502269
SIC: 3661 Telephone & Telegraph Apparatus