Ciena CIEN
We are a network technology company, providing hardware, software, and services to a wide range of network operators and enabling enhanced network capacity, service delivery, and automation. 10-K, Item 1
- Headquarters
- Hanover, MD
- CEO
- Gary B. Smith
- Next results
- around Dec 10, 2026
Where each dollar of revenue went, FY2025
Revenue of $4.8B through the costs to a net profit of $123.3M · income statement of the 10-K
CIEN among Technology peers
Six ratios from the latest 10-K. Each corner is the share of 74 peers the company is above, not a score.
What changed
33 new risk paragraphs. 10-K filed Dec 12, 2025 against Dec 20, 2024.
Each row opens the detail with the quote and the filing. A row is a change worth reading, not a verdict.
Accounting checks
11 checks on the latest 10-K. Checks, not verdicts.
0facts worth reading about all 11 checks found nothing to note
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Receivables +7.4% vs revenue +18.8% (-11.4 pts)
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Cash from operations $806.1M vs net income $123.3M (FY ending Nov 1, 2025)
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Inventory +0.7% vs revenue +18.8% (-18.1 pts)
8 more checks with nothing to note
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Same auditor in both 10-Ks: PricewaterhouseCoopers LLP
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No statement of substantial doubt about going concern
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No 8-K item 4.02 in the last 2 years
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No NT 10-K or NT 10-Q in the last 2 years
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The same matters as last year: Reserve for Excess and Obsolete Inventory
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No sentence in the 10-K concludes that controls were not effective because of a material weakness
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No 8-K item 2.06 in the last 2 years
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No 8-K item 1.03 in the last 2 years
In their words
33 paragraphs in Risk Factors that were not in the 10-K filed Dec 20, 2024. Quoted as filed.
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Item 1A · new paragraph · not in the 10-K filed Dec 20, 2024 10-K, ITEM 1A
Our revenue, gross margin, and operating results can be adversely impacted by a number of factors that would cause our results to fluctuate. Our results of operations are subject to significant, and often difficult to predict, quarterly fluctuations due to a variety of factors. A portion of our quarterly revenue is generated from…
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Item 1A · new paragraph · not in the 10-K filed Dec 20, 2024 10-K, ITEM 1A
Our revenue is concentrated among a small number of customers and reductions in their spending could materially adversely impact our results of operations.
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Item 1A · new paragraph · not in the 10-K filed Dec 20, 2024 10-K, ITEM 1A
Our growth is dependent on executing our strategy and expanding our addressable market, and we may not be successful.
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Item 1A · new paragraph · not in the 10-K filed Dec 20, 2024 10-K, ITEM 1A
We operate in an intense and evolving competitive landscape and the level of competitive pressure we face may adversely impact our results of operations.
New risk paragraphs, against peers
Latest 10-K of each, Technology companies closest in revenue
Paragraphs in Risk Factors with nothing like them in the company's 10-K the year before. A count of text, not of risk.
Financial performance
Last 4 fiscal years · 10-K XBRL
| Metric | FY2022 | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|
| Revenue | $3.6B | $4.4B | $4.0B | $4.8B |
| Net income | $152.9M | $254.8M | $84.0M | $123.3M |
| Operating cash flow | −$167.8M | $168.3M | $514.5M | $806.1M |
| Free cash flow | −$258.6M | $62.1M | $377.9M | $665.3M |
Revenue, FY2018 to FY2025
Ten fiscal years, each from its own 10-K · XBRL · USD
$4.8B ▲ 18.8% in FY2025$123.3M ▲ 46.9% in FY2025$665.3M ▲ 76.1% in FY2025
Recent filings
No new filings in the last 30 days · SEC EDGAR
Nothing new. The most recent filings:
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8-KSep 3, 2026Quarterly results 8-K item 2.02
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10-QSep 3, 2026Quarterly report (10-Q) period ended Aug 1, 2026
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8-KJun 11, 2026Material agreement signed, New debt or obligation, Unregistered share sale, Other events 8-K items 1.01, 2.03, 3.02, 8.01
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8-KJun 8, 2026Other events 8-K item 8.01
About the company
Ciena, Hanover, MD · from the 10-K filed Dec 12, 2025
We are a network technology company, providing hardware, software, and services to a wide range of network operators and enabling enhanced network capacity, service delivery, and automation. Our solutions support network traffic across a wide range of applications, including cloud, voice, video, data, and artificial intelligence (“AI”). Our network solutions are used globally by cloud providers, service providers, and other network operators across multiple industry verticals.
- Headquarters
- Hanover, MD
- Country
- United States
- Reports in
- USD
- Listed on
- NYSE
- Fiscal year ends
- October 31
- Last results
- Sep 3, 2026
- Incorporated in
- MD
Email alerts
Sources
The 10-K filed Dec 12, 2025 (open at SEC), compared with the 10-K filed Dec 20, 2024. Numbers from the XBRL of the 10-Ks; filings from SEC EDGAR.
Work with it: Excel workbook · CSV. Google Sheet that stays up to date: paste =IMPORTDATA("https://tickdelta.com/company/CIEN/export.csv") into a cell.