DD
Insider selling
Dino Diperna sold $309K of CIEN stock
Dino Diperna, EVP & Chief R&D Officer of Ciena Corp (CIEN), sold 890 shares of CIEN stock worth $309K, per an SEC Form 4 filed Oct 19, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Oct 15, 2026, 4 days before it was made public.
CIEN has moved -4.1% since the trade date, from $356.52 to $341.95 (Oct 20, 2026 close).
- Traded
- Oct 15, 2026
- Disclosed
- Oct 19, 2026
- Filing delay
- 4 days
- Price since
- -4.1%
- Role
- EVP & Chief R&D Officer
- Source
- SEC Form 4
More CIEN insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.