Gary B. Smith's Planned Sale of Ciena Corporation Common Stock

Gary B. Smith, an officer of Ciena Corporation, has filed a Form 144 indicating his intention to sell 34,000 shares of Ciena Corporation common stock. The sales are part of a selling plan dated September 11, 2024, designed to comply with Rule 10b5-1(c). The shares to be sold were acquired as compensation through Restricted Stock Units on various dates in 2023 and 2024. The approximate sale date is set for October 15, 2025, with an aggregate market value of $5,736,140. Additionally, Smith has sold 40,800 shares in the past three months, generating gross proceeds of approximately $3.8 million. The transactions are being facilitated by Goldman Sachs & Co. LLC.