David M Rothenstein sold $1.1M of Ciena Corp (CIEN) stock

David M Rothenstein, SVP and Chief Strategy Officer of Ciena Corp (CIEN), sold 2,500 shares of CIEN stock worth $1.1M, per an SEC Form 4 filed Aug 18, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on Aug 14, 2026, 4 days before it was made public.

CIEN has moved -14.0% since the trade date, from $428.77 to $368.56 (Sep 22, 2026 close).