Ciena Corp CFO Marc D. Graff Surrenders 286 Shares for Tax Withholding

Insider Transaction Analysis: CIENA CORP (NYSE: CIEN)

Overview

On September 22, 2026, an SEC Form 4 filing was submitted for CIENA CORP detailing a transaction by Marc D. Graff, Executive Vice President and Chief Financial Officer.

Key Details

• Date of Transaction: September 20, 2026
• Security: Common Stock
• Transaction Code: F (Payment of exercise price or tax liability by delivering or withholding securities)
• Shares Withheld: 286 shares
• Price per Share: $348.80
• Total Transaction Value: $99,756.80
• Post-Transaction Beneficial Ownership: 107,233 shares (direct ownership, includes unvested Restricted Stock Units)

Context & Impact

The disposition of 286 shares was executed solely to satisfy tax withholding obligations triggered by the vesting of a restricted stock unit (RSU) award originally granted on December 16, 2025. Because this was an automatic, non-discretionary transaction rather than an open-market sale, it does not reflect a change in executive sentiment regarding the company's prospects. Consequently, its trading significance is rated as Low.