01—Abstract
Summary
Summary of the 8-K filed December 11, 2025. Cited figures are marked; the original filing is the authoritative source.
Ciena Corporation (CIEN) has filed a Current Report on Form 8-K on December 11, 2025, to announce its financial results for the fiscal fourth quarter ended November 1, 2025.
This filing primarily serves to furnish the press release and an accompanying investor presentation, which contain the detailed financial outcomes and operational discussions for the quarter. Investors should note that while this report provides access to these key financial documents, the information within is furnished and not deemed 'filed' for purposes of certain securities regulations, meaning it doesn't automatically update existing registration statements or trigger liabilities under Section 18 of the Exchange Act. The core of this disclosure lies within the provided press release (Exhibit 99.1) and investor presentation (Exhibit 99.2), which are expected to detail revenue, profitability, backlog, and outlook.
Ciena will also be hosting an investor call to further elaborate on these results, offering an opportunity for deeper engagement and clarification on the company's performance and strategic direction heading into the next fiscal year. Investors are advised to consult these exhibits and the upcoming call for comprehensive insights.
02—Key points
Key Highlights
- Ciena Corp (CIEN) announced fiscal fourth quarter 2025 financial results via an 8-K filing on December 11, 2025.
- The filing includes a press release (Exhibit 99.1) detailing the financial results for the quarter ended November 1, 2025.
- An accompanying investor presentation (Exhibit 99.2) is also furnished, providing further insights into the company's performance.
- Ciena will host an investor call to discuss the fiscal fourth quarter operational results.
- Information provided in the press release and presentation is furnished, not filed, meaning it is not subject to Section 18 of the Securities Exchange Act of 1934.
- Investors are encouraged to monitor Ciena's investor relations website for ongoing disclosures, as material information may be posted there exclusively.
03—Questions
Frequently Asked Questions
What is the main purpose of this 8-K filing?
The primary purpose of this 8-K filing is to announce and provide access to Ciena Corporation's financial results for its fiscal fourth quarter ended November 1, 2025, through a furnished press release and investor presentation.
Where can I find the detailed financial results?
The detailed financial results are contained within the press release (Exhibit 99.1) and the investor presentation (Exhibit 99.2) that are furnished with this 8-K filing.
Will Ciena be discussing these results further?
Yes, Ciena Corporation will be hosting an investor call to discuss its fiscal fourth quarter results of operations in more detail.
Does the information in this filing have implications for SEC liability?
The information in the press release and investor presentation is furnished, not filed. This means it is not subject to the liabilities under Section 18 of the Securities Exchange Act of 1934, nor is it automatically incorporated into registration statements.
04—Continue