Form 4 Filing for Ciena Corp

On December 20, 2025, Jason Phipps, SVP Global Sales and Marketing at Ciena Corp, reported the disposition of 19,509 shares of Common Stock. These dispositions were part of covering tax liabilities related to various restricted stock unit (RSU), performance stock unit (PSU), and market stock unit (MSU) awards granted between 2021 and 2024. The shares were disposed of at a price of $230.34 per share. The total post-transaction shares owned by Mr. Phipps amount to 113,148, which includes unvested RSUs and PSUs. The acquisitions of these awards were previously reported in earlier Form 4 filings.