• Ciena President and CEO Gary B. Smith sold 2,952 common shares on May 15, 2026 at a weighted average price of $562.05.
• Smith reported beneficial ownership of 272,509 shares following the transaction.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Ciena Corporation published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001032553-26-000021), on May 19, 2026, and is solely responsible for the information contained therein.