Ciena EVP & Chief R&D Officer Dino DiPerna Sells $308K in Common Stock Under Rule 10b5-1 Plan

Insider Transaction Overview

On October 15, 2026, Dino DiPerna, Executive Vice President and Chief R&D Officer of CIENA CORP ($CIEN), executed sales of 890 shares of common stock in two transactions:

• 445 shares sold at $344.08 per share ($153,115.60)
• 445 shares sold at $350.00 per share ($155,750.00)

The aggregate proceeds from the sale totaled $308,865.60 at a volume-weighted average price of $347.04 per share.

Filing & Plan Context

• 10b5-1 Plan: The sales were conducted pursuant to a pre-established Rule 10b5-1 trading plan.
• Post-Transaction Holdings: Following these transactions, DiPerna directly retains 36,183 shares, which includes unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).
• Impact: The disposal represents approximately 2.4% of DiPerna's reported holding prior to the sales.

Market Significance

This transaction is rated Low in market significance due to its modest size relative to overall holdings and because it was carried out under a routine Rule 10b5-1 pre-scheduled trading plan.