Insider Trading
Current insider transactions (SEC Form 4) — buys and sells by officers, directors, and major shareholders.
| Ticker | Insider | Title | Date | Transaction | Price ($) | Shares | Value ($) | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|
| CIEN | Smith Gary B | President, CEO | 09/01/2026 | Verkauf | 362.90 | 2,952 | 1,071,278 | Form 4 |
| CIEN | Gage Brodie | SVP Global Products & Supply | 08/17/2026 | Verkauf | 439.24 | 1,200 | 527,088 | Form 4 |
| CIEN | Smith Gary B | President, CEO | 08/17/2026 | Verkauf | 447.78 | 2,952 | 1,321,840 | Form 4 |
| CIEN | Graff Marc D. | SVP & Chief Financial Officer | 08/14/2026 | Verkauf | 430.72 | 4,995 | 2,151,435 | Form 4 |
| CIEN | Rothenstein David M | SVP and Chief Strategy Officer | 08/14/2026 | Verkauf | 438.10 | 2,500 | 1,095,250 | Form 4 |
| CIEN | Smith Gary B | President, CEO | 08/03/2026 | Verkauf | 379.81 | 2,952 | 1,121,212 | Form 4 |
| CIEN | Graff Marc D. | SVP & Chief Financial Officer | 08/01/2026 | Steuer-Abgabe | 377.05 | 14,441 | 5,444,979 | Form 4 |
| CIEN | Gage Brodie | SVP Global Products & Supply | 07/15/2026 | Verkauf | 449.15 | 1,200 | 538,980 | Form 4 |
| CIEN | DiPerna Dino | SVP Global R&D | 07/15/2026 | Verkauf | 449.15 | 391 | 175,618 | Form 4 |
| CIEN | Rothenstein David M | SVP and Chief Strategy Officer | 07/15/2026 | Verkauf | 420.91 | 2,500 | 1,052,284 | Form 4 |
| CIEN | Smith Gary B | President, CEO | 07/15/2026 | Verkauf | 421.10 | 2,952 | 1,243,098 | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).