Form 4 Filing for Ciena Corp - Insider Transactions

This filing details non-derivative transactions by Sheela Kosaraju, SVP and General Counsel at Ciena Corp. On June 20, 2026, Kosaraju disposed of a total of 1847 shares of Common Stock at a price of $428.22 per share. These disposals were related to shares withheld to cover tax liabilities arising from restricted stock unit (RSU) and performance stock unit (PSU) awards granted on various dates between December 2022 and December 2025. The footnotes clarify that the shares withheld were to cover tax obligations associated with these awards, and the acquisition of the RSUs were previously reported in earlier filings. The post-transaction share count for Kosaraju following these transactions is 90,094 shares.