CIEN Stock: Price, Earnings History and SEC Filings
Ciena Corporation (CIEN) last traded at $320.72, down 8.22% on the latest session and down 8.8% over the past month. In its most recent reported quarter (Jul 2026) earnings per share were $1.91 against an analyst estimate of $1.46, a beat of 30.8%.
Price data from Yahoo Finance, as of Oct 30, 2026. May be delayed.
CIEN earnings history
| Quarter | Reported | EPS | Estimate | Surprise |
|---|---|---|---|---|
| Jul 2026 | Sep 3, 2026 | $1.91 | $1.46 | +30.82% |
| Apr 2026 | Jun 4, 2026 | $1.34 | $1.20 | +11.67% |
| Jan 2026 | Mar 5, 2026 | $1.08 | $0.89 | +21.35% |
| Oct 2025 | Dec 11, 2025 | $0.64 | $0.52 | +23.08% |
CIEN beat the analyst EPS estimate in 4 of its last 4 reported quarters. Source: Nasdaq.
How CIEN reacts to earnings
Across its last 8 earnings releases, CIEN moved 12.5% on average the next session, in either direction. It rose after 3 of 8 reports.
| Report date | Released | Next-session move |
|---|---|---|
| 2026-09-03 | Before open | -10.36% |
| 2026-06-04 | Before open | -13.66% |
| 2026-03-05 | Before open | -12.88% |
| 2025-12-11 | Before open | +9.25% |
| 2025-09-04 | Before open | +23.31% |
| 2025-06-05 | Before open | -12.92% |
| 2025-03-11 | Before open | -2.41% |
| 2024-12-12 | Before open | +15.45% |
Based on the dates of earnings-release 8-K filings (SEC EDGAR) and daily closing prices (Yahoo Finance). Past reactions do not predict future ones.
CIEN financial history
| Fiscal year | Revenue | Net income | Free cash flow | Net margin | Diluted EPS |
|---|---|---|---|---|---|
| 2025 | $4.8B | $123M | $665M | 2.6% | $0.85 |
| 2024 | $4.0B | $84M | $378M | 2.1% | $0.58 |
| 2023 | $4.4B | $255M | $62M | 5.8% | $1.71 |
| 2022 | $3.6B | $153M | -$259M | 4.2% | $1.00 |
| 2021 | $3.6B | $500M | $462M | 13.8% | $3.19 |
| 2020 | $3.5B | $361M | $411M | 10.2% | $2.32 |
| 2019 | $3.6B | $253M | $351M | 7.1% | $1.61 |
| 2018 | $3.1B | -$345M | $162M | -11.1% | $-2.49 |
Source: annual figures from 10-K filings on SEC EDGAR. The year shown is the calendar year the fiscal year ended. Free cash flow is operating cash flow minus capital spending.
Latest SEC filings for CIEN
- 10-Q · Sep 3, 2026
- 8-K · Sep 3, 2026Results of operations, Financial statements and exhibits
- 8-K · Jun 11, 2026Material agreement, New financial obligation, Unregistered share sale
- 8-K · Jun 8, 2026Other events, Financial statements and exhibits
- 10-Q · Jun 4, 2026
- 8-K · Jun 4, 2026Results of operations, Financial statements and exhibits
- 8-K · Mar 31, 2026Shareholder vote
- 10-Q · Mar 5, 2026
- 8-K · Mar 5, 2026Results of operations, Financial statements and exhibits
- DEF 14A · Feb 12, 2026
Insider filing activity
CIEN insiders filed 29 Form 4 reports in the last 90 days. A Form 4 is how directors and executives disclose purchases, sales and grants of company stock. See the individual filings on SEC EDGAR. Many Form 4 filings are routine, such as scheduled sales or option exercises, so check each filing before drawing a conclusion.
Source: SEC EDGAR.
CIEN news
- Is Ciena (CIEN) Undervalued Following Strong Q3 Results And Raised Guidance?Oct 31, 2026 · finance.yahoo.com
- Ciena (CIEN) Stock May Be 43% Undervalued Following AI Networking OptimismOct 31, 2026 · finance.yahoo.com
- Is Arista Networks Stock Really Expensive?Oct 30, 2026 · trefis.com
- Is There A Risk Hiding In Ciena Stock's Growth?Oct 30, 2026 · trefis.com
- Ciena’s Quarterly Earnings Preview: What You Need to KnowOct 30, 2026 · barchart.com
- Verizon, Franklin Electric announce new HR leaders in OctoberOct 29, 2026 · hrdive.com
- How Much Should This Move Change Your View Of Ciena Stock?Oct 29, 2026 · trefis.com
- 2 AI Stocks Down 48% to 70% to Buy Now and Hold for 10 YearsOct 28, 2026 · fool.com
About Ciena Corporation
Ciena Corporation (CIEN) is a US-listed public company on NYSE. The SEC classifies its business as Telephone & Telegraph Apparatus. It is incorporated in MD. Its fiscal year ends in October.