JOSEPH CUMELLO plan to sell securities of Ciena Corporation under Form 144

JOSEPH CUMELLO filed Form 144 to notify SEC of plan to sell 1586 units of Ciena Corporation securities around 2026-06-26, with aggregate market value of $768,718.34. The total outstanding units is 141552922.0. The amount planned to be sold represents 0.00% of total outstanding units; Recent transactions in past 3 months include: On 03/27/2026, sold 1773 units for $700015.86;