Form 4 Filing for CIENA CORP

This SEC filing details several non-derivative transactions by Gage Brodie, EVP & Chief Product &, an officer of CIENA CORP. On September 20, 2026, Mr. Brodie disposed of a total of 1834 shares of Common Stock in transactions coded as "F" (payment of tax liabilities related to RSU awards) at a price of $348.8 per share. The disposals were related to RSU award agreements dated October 27, 2023, December 13, 2022, December 12, 2023, December 17, 2024, and December 16, 2025. Following these transactions, Mr. Brodie