CIENA CORP 4

CEO Gary B. Smith sold 2,952 shares of Ciena common stock for about $1.32 million under a Rule 10b5-1 plan.

On August 17, 2026, Ciena Corporation President and CEO Gary B. Smith sold 2,952 shares of Ciena common stock at a weighted average price of approximately $447.78 per share, for total proceeds of about $1.32 million. The sale was executed under a pre-arranged Rule 10b5-1 trading plan dated October 4, 2025, and the reported holdings following the transaction were 246,030 shares (including unvested RSUs and PSUs). Based on the current market price of roughly $406.03 per share, Smith’s post-transaction equity stake is valued at approximately $99.9 million, indicating that the disposition represents a small fraction of his overall ownership.

Filing Facts

CIK

936395

Ticker

CIEN

Form

4

Source Type

sec

Accession

0001032553-26-000035

Alert Tier

7