Every 8-K that Ciena Corporation (CIEN) has filed with the SEC in the last 24 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A 8-K covers material events a company has to report between its quarterly reports, so if you follow CIEN and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full CIEN filings page.
Ciena Corporation (CIEN) reported a record fiscal third quarter 2026, with strong growth across revenue, profitability, and cash. Revenue was $1.67 billion, up 37% year-over-year, driven by networking platforms and accelerating AI-related demand. GAAP diluted EPS rose to $1.83 from $0.35, while adjusted EPS increased to $2.11, up 215%.
Adjusted gross margin improved to 46.4% from 41.9%, and adjusted operating margin more than doubled to 22.5% from 10.7%. EBITDA was $349.9 million, with adjusted EBITDA of $411.1 million, up 160%. Cash and investments reached $2.8 billion, and Ciena repurchased about 0.4 million shares for $171.7 million under its $1 billion buyback program.
Guidance was raised on the back of AI-driven demand and strong cloud-provider momentum. Ciena now guides fiscal 2026 revenue to $6.42 billion ± $50 million, a 35% year-over-year increase at the midpoint, and expects fiscal Q4 2026 revenue of $1.75 billion ± $50 million with adjusted gross margin around 45% and adjusted operating margin around 20%. The company also completed a $2.875 billion 0.0% coupon convertible notes offering, which it states lowers overall interest expense and enhances financial flexibility.
Ciena Corporation has closed a private offering of $2.875 billion of 0.00% Convertible Senior Notes due 2031, fully guaranteed by key U.S. subsidiaries. The initial conversion rate is 1.3393 shares per $1,000 of notes, implying a conversion price of about $746.66 per share.
Ciena received about $2.72 billion in net proceeds, using roughly $1.14 billion to repay its senior secured term loan and about $140 million to repurchase approximately 0.3 million shares at $466.67 per share. The remaining funds are earmarked for general corporate purposes, including supply chain investments. Ciena also amended its credit agreement to extend its $300 million revolving facility to October 24, 2030 and entered into related convertible note hedge and warrant transactions that raise the effective conversion price to $1,000 per share.
Ciena Corporation plans a private offering of $2.0 billion aggregate principal amount of convertible senior notes due 2031, with an option for initial purchasers to buy up to an additional $300.0 million. The notes will be senior unsecured and fully guaranteed by certain domestic subsidiaries.
Ciena expects to use a portion of the net proceeds to fund convertible note hedge transactions and repurchase up to $140 million of its common stock. It intends to apply approximately $1.14 billion to repay its existing senior secured term loan and use the remainder for general corporate purposes, including supply chain investments.
In connection with the offering, Ciena expects to amend its credit agreement to extend the maturity of its $300 million revolving facility to October 24, 2030, adjust interest rate features linked to its total net leverage ratio, and provide increased flexibility for the note and hedge structures.
Ciena Corporation reported very strong fiscal second quarter 2026 results, showing sharp growth in revenue, profits, and margins. Revenue rose to $1.57 billion from $1.13 billion a year earlier, a 39.5% increase, driven largely by optical networking and cloud provider demand.
GAAP diluted EPS jumped to $1.49 from $0.06, while adjusted EPS increased to $1.64 from $0.42, reflecting higher gross margin and operating leverage. Adjusted operating margin improved to 19.5% from 8.2%, and EBITDA grew more than fourfold to $283.1 million.
Ciena raised its full-year 2026 revenue outlook to $6.3 billion plus or minus $100 million, implying 32% year-over-year growth at the midpoint, and guided fiscal third quarter 2026 revenue to $1.625 billion plus or minus $50 million, with adjusted gross margin around 45% and adjusted operating margin between 19% and 20%.
Ciena Corporation reported the results of its 2026 annual meeting of stockholders held on March 26, 2026. As of the January 27, 2026 record date, 141,463,456 shares of common stock were outstanding and entitled to vote. Stockholders elected Class II directors Joanne B. Olsen, Mary G. Puma, and Gary B. Smith, each receiving a majority of votes cast, to three-year terms expiring at the 2029 annual meeting. Investors ratified the appointment of PricewaterhouseCoopers LLP as independent registered public accounting firm for fiscal 2026 with 123,082,607 votes for, 5,389,750 against, and 72,869 abstentions. They also approved, on an advisory basis, the named executive officer compensation, with 114,515,974 votes for, 5,360,579 against, 174,352 abstentions, and 8,494,321 broker non-votes.
Ciena Corporation reported a very strong fiscal first quarter 2026, with revenue of $1.43 billion, up 33% from $1.07 billion a year earlier. GAAP diluted EPS rose to $1.03 from $0.31, while adjusted EPS more than doubled to $1.35 from $0.64, reflecting higher scale and improved profitability.
Adjusted operating margin expanded to 17.9% from 12.3%, and adjusted EBITDA increased to $287 million from $156 million. Cash and investments totaled about $1.4 billion, supported by $228 million of operating cash flow. Ciena also repurchased approximately 0.4 million shares for $80.5 million.
Management raised its fiscal 2026 revenue outlook to a range of $5.9 billion to $6.3 billion, implying 28% year-over-year growth at the midpoint, and guided fiscal second quarter 2026 revenue to about $1.5 billion plus or minus $50 million, with adjusted gross margin of 43.5%–44.5% and adjusted operating margin of 17.5%–18.5%.
Ciena Corporation reported that it has released financial results for its fiscal fourth quarter ended November 1, 2025. The company announced these results through a press release dated December 11, 2025, and will host an investor call to discuss its operations and financial performance for the quarter.
Ciena also posted an accompanying investor presentation on the quarterly results page of the Investors section of its website and furnished both the press release and the presentation as Exhibits 99.1 and 99.2. These materials, along with this current report’s results disclosure, are being treated as furnished rather than filed under federal securities laws, and Ciena highlights that it may from time to time post material information exclusively on its investor website.
Ciena Corporation has renewed and updated its change in control severance agreements for its executive officers, effective November 30, 2025. The agreements cover leaders including President and CEO Gary B. Smith and CFO Marc D. Graff, among others, and provide severance benefits if an executive is terminated without cause or resigns for good reason within 90 days before or up to 12 months after a change in control, or 18 months in the case of the CEO.
The new agreements run through November 30, 2028 and are described as substantially equivalent to the prior version, with severance benefit levels unchanged. Updates focus on clarifying that the arrangements do not limit Ciena’s rights under its executive compensation clawback policy, refining how equity is treated under Section 409A of the Internal Revenue Code, and making other administrative changes.
Ciena Corporation announced the completion of its acquisition of privately-held Nubis Communications, Inc. on October 7, 2025. Nubis is described as a developer of high-performance, ultra-compact, low-power optical and electrical interconnects designed to support artificial intelligence (AI) workloads. The notice confirms the transaction has closed but contains no financial terms, purchase price, or integration details in the provided excerpt.
Ciena Corporation announced it has entered into a definitive agreement to acquire privately-held Nubis Communications, Inc., a company that specializes in high-performance, ultra-compact, low-power optical and electrical interconnects designed to support artificial intelligence (AI) workloads. The press release states the transaction is expected to close during Ciena's fiscal fourth quarter 2025 and is subject to customary closing conditions. The filing includes standard forward-looking statement language cautioning that the acquisition may not close as expected, integration may present challenges, and actual results could differ materially from current expectations. A copy of the press release is attached as Exhibit 99.1.
Ciena Corporation furnished information about its fiscal third quarter ended August 2, 2025. The company issued a press release on September 4, 2025 announcing its financial results for this quarter and scheduled an investor call to discuss its operations and performance for the period.
Ciena also posted an accompanying investor presentation on the quarterly results page of the Investors section of its website, and furnished both the press release and the presentation as Exhibits 99.1 and 99.2. These materials, along with Item 2.02, are being treated as furnished rather than filed under securities laws.