# EDGAR Filing Document

**Accession Number:** 0000936395
**File Stem:** 0001193125-26-048006
**Filing Date:** 2026-2
**Character Count:** 1102
**Document Hash:** 3f8f9a416d01bb1d7ddd85c23c72c179
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-048006.hdr.sgml**: 20260212

**ACCESSION NUMBER**: 0001193125-26-048006

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251101

**FILED AS OF DATE**: 20260212

**DATE AS OF CHANGE**: 20260212

**EFFECTIVENESS DATE**: 20260212

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CIENA CORP
- **CENTRAL INDEX KEY:** 0000936395
- **STANDARD INDUSTRIAL CLASSIFICATION:** TELEPHONE & TELEGRAPH APPARATUS [3661]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 232725311
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1101

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36250
- **FILM NUMBER:** 26624266

**BUSINESS ADDRESS:**
- **STREET 1:** 7035 RIDGE ROAD
- **CITY:** HANOVER
- **STATE:** MD
- **ZIP:** 21076
- **BUSINESS PHONE:** 4108658500

**MAIL ADDRESS:**
- **STREET 1:** 7035 RIDGE ROAD
- **CITY:** HANOVER
- **STATE:** MD
- **ZIP:** 21076

### Attached PDF Documents

**Attachment 1:** `cien_ars_2026.pdf`

_No text found in this document._