CIENA CORP

Listed Company
CIENCIK 0000936395NYSELarge AcceleratedTelephone & Telegraph ApparatusMarylandFY ends Oct 31
Period
FY 2025
Revenue
$4.77B
Net Income
$123.34M
Total Assets
$5.86B
Equity
$2.73B
Shares Out
141.55M
Op. Cash Flow
$806.09M
CIEN$372.57+339.07% · past yearDBEQ Basic
Daily closing prices

Business

Ciena is a network technology company providing hardware, software, and services to network operators globally. The company offers optical networking and routing/switching platforms, platform software for multi-layer network control, Blue Planet automation software for service lifecycle management, and global services for network design, deployment, and optimization. Products serve cloud providers, service providers, and other network operators across core, metro, access, and data center interconnect applications.

Summary from 10-K filed 2025-12-12

Financials

Consolidated Statement of Income

Year Ended · In millions, except per-share amounts
ConceptTrend
FY 2025
2025-10-31
FY 2024
2024-10-31
FY 2023
2023-10-31
FY 2022
2022-10-31
FY 2021
2021-10-31
Total revenue4,7704,0154,3873,6333,621
Total cost of goods sold2,7652,2952,5082,0721,899
Gross profit2,0051,7201,8791,5601,722
Research and development848767751625537
Selling and marketing581511491467452
General and administrative239221215179182
Significant asset impairments and restructuring costs11225243430
Amortization of intangible assets2630373324
Acquisition and integration costs103598,0003
Total operating expenses1,8071,5531,5211,3381,227
Income from operations198167358223495
Interest and other income, net4950627−2
Interest expense−89−97−88−47
Loss on extinguishment and modification of debt−729,0000−800
Income before income taxes156120324183463
Provision for income taxes33366930−37
Net income12384255153500
Basic net income per common share (in dollars per share)0.870.581.711.013.22
Diluted net income per potential common share (in dollars per share)0.850.581.7113.19
Weighted average basic common shares outstanding (in shares)142145149151155
Weighted average diluted potential common shares outstanding (in shares)145146149152157

Filings

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Frequently asked questions

What is CIENA CORP's CIK number?

CIENA CORP's SEC CIK number is 0000936395 (936395). The CIK (Central Index Key) is the permanent identifier the SEC assigns to every EDGAR filer — unlike a ticker symbol, it never changes.

Where can I find CIENA CORP's SEC filings?

All of CIENA CORP's EDGAR filings — 10-K annual reports, 10-Q quarterly reports, 8-K material events, and insider transactions — are listed on this page, sourced live from SEC EDGAR.

When did CIENA CORP last report earnings?

CIENA CORP (CIEN) most recently filed an earnings 8-K with the SEC on Jun 4, 2026, furnishing its results under Item 2.02 (Results of Operations and Financial Condition). The earnings press release is attached to that filing (accession 0001628280-26-040614). This is CIENA CORP's most recent earnings filing of record — not a forecast of its next earnings date.

What is CIENA CORP's most recent earnings 8-K?

CIENA CORP's latest earnings 8-K (Item 2.02) was filed Jun 4, 2026 under accession 0001628280-26-040614. It carries the quarterly or annual earnings press release — the earliest official, SEC-filed version of the results.

View CIENA CORP's latest earnings 8-K →
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