Greedy Insider
CIENA CORP (CIEN) Insider Trades and Scores
CIENA CORP (CIEN) insider trades: since Nov 17, 2025, Greedy Insider recorded 0 open-market buys and 253 sales on Form 4 from 12 insiders. The strongest recent filing scored 94 (Strong).
Who bought and who sold
Across the last 253 scoreable Form 4 transactions in CIEN, 0 were open-market purchases and 253 were sales. The table lists the most recent filings with each one's Greediness Score, so the structurally unusual trades are easy to spot first.
| Insider | Role | Type | Shares | Date | Score | ||
|---|---|---|---|---|---|---|---|
| Gage Brodie | EVP & Chief Product & Tech | Sell | 1200.0 | 412896.0 | 2026-10-15 | 80 | View |
| DiPerna Dino | EVP & Chief R&D Officer | Sell | 445.0 | 153115.6 | 2026-10-15 | 75 | View |
| DiPerna Dino | EVP & Chief R&D Officer | Sell | 445.0 | 155750.0 | 2026-10-15 | 75 | View |
| Rothenstein David M | EVP & Chief Strategy Officer | Sell | 2500.0 | 870157.25 | 2026-10-15 | 82 | View |
| SMITH GARY B | President | Sell | 2952.0 | 1027355.94 | 2026-10-15 | 74 | View |
| Phipps Jason | EVP & Chief Customer Officer | Sell | 2629.0 | 933794.5 | 2026-10-01 | 85 | View |
| Kosaraju Sheela | EVP & Chief Legal Officer | Sell | 2101.0 | 746254.2 | 2026-10-01 | 91 | View |
| Graff Marc D. | CFO | Sell | 97.0 | 34453.43 | 2026-10-01 | 72 | View |
| SMITH GARY B | President | Sell | 2952.0 | 1091237.8 | 2026-10-01 | 75 | View |
| Cumello Joseph | EVP & General Mgr. | Sell | 1586.0 | 568604.94 | 2026-09-25 | 79 | View |
The strongest recent filing
SMITH GARY B (President) sold 57,301 shares of CIENA CORP on Dec 20, 2025, a filing that scored 94 (Strong). It scored Strong because a senior insider was trading and several insiders moved the same way within a week. The score describes the filing, not future returns. This is not investment advice.
Cluster activity
A cluster buy is present: 8 insiders (SMITH GARY B, DiPerna Dino, Rothenstein David M, Phipps Jason) traded CIEN the same direction within a 7-day window. Shared conviction is a stronger structural signal than a lone trade.
How this compares with CIENA CORP's own history
Open-market buys make up 0% of the 253 scoreable CIEN transactions on record between Nov 17, 2025 and Oct 15, 2026. Comparing a filing with the company's own buy/sell mix is how you tell a routine disposal from an unusual accumulation.
Methodology and sources
Scores come from six published, user-adjustable factors (insider role, cluster activity, trade size versus the insider's own history, position impact, filing urgency, and direct versus indirect ownership). The score describes the filing, not future returns. This is not investment advice.
Key facts
- Scoreable Form 4 transactions on record: 253
- Open-market buys: 0
- Sales: 253
- Distinct insiders: 12
- Strongest recent Greediness Score: 94 (Strong)
Primary sources
Related
- Strongest filing
- CIEN in the live feed
- How the Greediness Score works
- What is a cluster buy?
- Form 4 transaction codes
The score describes the filing, not future returns. This is not investment advice.