Form4.ai tracks every SEC insider trade in real time. See every CIEN insider filing with a free account — no card.
See every CIEN insider filing — free account, no card.
Free accountCIENA CORP (CIEN) has 30 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 20 sales totalling $16.9M. Most recent filing: Nov. 3, 2026.
Open-market value, last 90 days
Form 4 filings by type, last 90 days
| Date | Insider | Trade | Value | Price since buy |
|---|---|---|---|---|
| Nov 3, 2026 SEC filing | Graff Marc D. EVP & Chief Financial Officer | Tax withholding | $1,205,586 | — |
| Oct 19, 2026 SEC filing | Gage Brodie EVP & Chief Product & Tech | Sold | $412,896 | — |
| Oct 19, 2026 SEC filing | DiPerna Dino EVP & Chief R&D Officer | Sold | $308,866 | — |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.