# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000936395-25-000041
Filing Date
2025-09-04
Accepted
2025-09-04 16:05:56
Documents
86
Period of Report
2025-08-02

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | cien-20250802.htm iXBRL | 10-Q | 1821003
2 | EX-31.1 | ex311certofceo08-02x25.htm | EX-31.1 | 8293
3 | EX-31.2 | ex312certofcfo08-02x25.htm | EX-31.2 | 7705
4 | EX-32.1 | ex321certofceosection90608.htm | EX-32.1 | 4476
5 | EX-32.2 | ex322certofcfosection90608.htm | EX-32.2 | 4359
11 |  | cien-20250802_g1.jpg | GRAPHIC | 20563
| Complete submission text file | 0000936395-25-000041.txt |  | 9425544

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | cien-20250802.xsd | EX-101.SCH | 44515
7 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | cien-20250802_cal.xml | EX-101.CAL | 82473
8 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | cien-20250802_def.xml | EX-101.DEF | 250106
9 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | cien-20250802_lab.xml | EX-101.LAB | 629525
10 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | cien-20250802_pre.xml | EX-101.PRE | 450122
89 | EXTRACTED XBRL INSTANCE DOCUMENT | cien-20250802_htm.xml | XML | 1858067

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-Q | Act: 34 | File No.: 001-36250 | Film No.: 251293410
SIC: 3661 Telephone & Telegraph Apparatus
(CF Office: 04 Manufacturing)