CIENA CORPORATION Form 144 Filed on March 24, 2023

CIENA CORPORATION submitted a Form 144 on March 24, 2023. This filing allows the selling of a certain amount of stock by affiliated sellers, indicating potential changes in stock liquidity. The filing signifies that there could be ongoing stock transactions related to CIENA, which may affect trading volumes in the market. Monitoring these filings is critical as they can impact share prices and investor behavior.