Gary B. Smith plan to sell securities of Ciena Corporation under Form 144

Gary B. Smith filed Form 144 to notify SEC of plan to sell 17712 units of Ciena Corporation securities around 2026-04-15, with aggregate market value of $8,426,661.12. The total outstanding units is 141398427.0. The amount planned to be sold represents 0.01% of total outstanding units; Recent transactions in past 3 months include: On 02/02/2026, sold 1476 units for $387909.77; On 02/02/2026, sold 1476 units for $396146.74; On 03/02/2026, sold 1476 units for $519986.53; On 03/16/2026, sold 1476 units for $526194.44; On 03/16/2026, sold 1476 units for $535130.15; On 01/15/2026, sold 1497 units for $368114.25; On 01/15/2026, sold 1496 units for $373094.92; On 04/01/2026, sold 1476 units for $616929.48; On 04/01/2026, sold 1476 units for $609660.91; On 03/02/2026, sold 1476 units for $526906.61; On 02/17/2026, sold 1476 units for $448308.58; On 02/17/2026, sold 1476 units for $435848.63;