CIEN Ciena Corporation
Ciena Corporation (CIEN) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 63% planned / 37% discretionary
Largest single sale: $1.3M.
Where they traded
No open-market insider purchase on record.
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Cumello Joseph | EVP & General Mgr. | Sell 10b5-1 | 1,586 | $358.52 | $568.6K | 39,570 −3.9% of holding | |
| Claflin Bruce L. | Director | Sell | 2,857 | $355.91 | $1.0M | 8,279 −25.7% of holding | |
| NEVENS THOMAS MICHAEL | Director | Sell | 3,738 | $359.04 | $1.3M | 6,289 −37.3% of holding | |
| DiPerna Dino | EVP & Chief R&D Officer | Sell 10b5-1 | 249 | $350.00 | $87.2K | 39,126 −0.6% of holding | |
| SMITH GARY B | President & CEO | Sell 10b5-1 | 2,952 | $330.18 | $974.7K | 240,126 −1.2% of holding | |
| Rothenstein David M | EVP & Chief Strategy Officer | Sell 10b5-1 | 2,500 | $330.48 | $826.2K | 177,731 −1.4% of holding | |
| Gage Brodie | EVP & Chief Product & | Sell 10b5-1 | 1,200 | $324.86 | $389.8K | 37,207 −3.1% of holding | |
| DiPerna Dino | EVP & Chief R&D Officer | Sell 10b5-1 | 249 | $324.86 | $80.9K | 39,375 −0.6% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.