Ciena ($CIEN) CFO Disposes 3,759 Shares for Tax Withholding

Executive Summary

On November 1, 2026, Marc D. Graff, EVP & Chief Financial Officer of Ciena Corp ($CIEN), surrendered 3,759 shares of common stock at a price of $320.72 per share, totaling approximately $1.21 million. Following this transaction, Mr. Graff continues to directly hold 103,377 shares (including unvested RSUs).

Transaction Details

• Security: Common Stock
• Transaction Code: F (Payment of exercise price or tax liability by withholding securities)
• Shares Disposed: 3,759
• Price per Share: $320.72
• Gross Value: $1,205,586.48
• Post-Transaction Beneficial Ownership: 103,377 shares

Strategic & Market Context

This transaction represents a routine disposition of shares withheld to satisfy statutory tax obligations resulting from the vesting of restricted stock units (RSUs) awarded on August 1, 2025. It does not reflect a discretionary open-market sale or an indication of insider sentiment toward company valuation.

Market Impact & Significance

• Significance Level: Low
• Takeaway: Routine, non-discretionary equity activity typical for executive compensation vesting schedules. Market participants should view this as administrative rather than an indicator of future performance.