Form 4 Filing for Grant Hoffman - CIENA CORP

This filing reports a disposition of 170 shares of CIENA CORP common stock by Grant Hoffman, EVP & Chief Supply, on September 20, 2026. The transaction code "F" indicates shares withheld to cover tax liabilities related to a restricted stock unit (RSU) award. The shares were disposed of at a price of $348.8 per share, resulting in 6347 shares owned after the transaction. The footnotes clarify that the shares withheld were for tax payments associated with an RSU award and that the reported shares include unvested RSUs. This transaction does not subject the reporting person to Section 16 of the Securities Exchange Act of 1934.