CIENA CORP 4

David M. Rothenstein, SVP and Chief Strategy Officer of Ciena Corp, sold 2,500 shares of common stock for roughly $1.05 million under a Rule 10b5-1 trading plan.

On 2026-07-15, David M. Rothenstein, SVP and Chief Strategy Officer of Ciena Corp, sold 2,500 shares of Ciena common stock at a weighted average price of approximately $420.91 per share under a pre-arranged Rule 10b5-1 trading plan dated October 10, 2025. The transaction, which totaled about $1.05 million, reduced but still left him with a substantial direct holding of 182,731 shares, which includes unvested RSUs and PSUs. Based on the provided current market price of $379.42, his remaining stake is worth roughly $69.3 million, indicating that this sale represents only a small fraction of his overall economic exposure to the company.

Filing Facts

CIK

936395

Ticker

CIEN

Form

4

Source Type

sec

Accession

0001444157-26-000020

Alert Tier

6