CIENA CORP 8-K

What Happened
Ciena Corporation (CIEN) announced its financial results for the fiscal second quarter ended May 2, 2026 in a press release dated June 4, 2026 (Item 2.02). The company also posted an accompanying investor presentation on the Investors section of www.ciena.com and said it will host an investor call to discuss the quarter. The press release and presentation are furnished as Exhibits 99.1 and 99.2 to the Form 8-K.

Key Details

• Press release announcing fiscal Q2 results issued June 4, 2026 (Exhibit 99.1).
• Fiscal quarter reported: ended May 2, 2026.
• Investor presentation posted and furnished as Exhibit 99.2.
• Ciena will host an investor call to discuss results; materials available on the company’s investor website.
• Form 8-K signed by Sheela Kosaraju, SVP, General Counsel and Assistant Secretary, dated June 4, 2026.

Why It Matters
This 8-K notifies investors that Ciena released its quarterly earnings materials and supporting presentation — the primary sources for revenue, profit, guidance and operational updates for the period. Investors should review the press release and investor presentation and listen to the investor call for the detailed financial metrics and management commentary that can affect valuation and near-term expectations.