Form 4 Filing for CIENA CORP

This filing details transactions by Gage Brodie, SVP Global Products & Supply at CIENA CORP, on June 20, 2026. Brodie disposed of a total of 1914 shares of Common Stock in separate transactions, each priced at $428.22 per share. These disposals were to cover tax liabilities associated with restricted stock unit (RSU) awards. The footnotes indicate that the shares withheld are for tax payments related to RSU agreements dated 10/27/2023, 12/13/2022, 12/12/2023, 12/17/2024, and 12/16/2025. The post-transaction shares owned by Brodie, including unvested RSUs and PSUs, amount to 40,807 shares following these transactions. The filing is Form 4, indicating a change in beneficial ownership.