Ciena Corp (CIEN)
CIK 936395 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for Ciena Corp.
Recent SEC filings
| Filed | Form | Accession number |
|---|---|---|
| Nov 4, 2026 | 4 | 0001032553-26-000048 |
| Nov 3, 2026 | 4 | 0002080157-26-000018 |
| Oct 19, 2026 | 4 | 0001444157-26-000028 |
| Oct 19, 2026 | 4 | 0001998460-26-000016 |
| Oct 19, 2026 | 4 | 0001032553-26-000045 |
| Oct 19, 2026 | 4 | 0001998826-26-000023 |
| Oct 15, 2026 | 144 | 0001958244-26-000663 |
| Oct 15, 2026 | 144 | 0001950047-26-010265 |
| Oct 15, 2026 | 144 | 0001950047-26-010235 |
| Oct 15, 2026 | 144 | 0001950047-26-010236 |
| Oct 13, 2026 | 4 | 0001032553-26-000043 |
| Oct 6, 2026 | 4 | 0001963781-26-000014 |
| Oct 6, 2026 | 4 | 0002080157-26-000015 |
| Oct 6, 2026 | 4 | 0001699193-26-000010 |
| Oct 1, 2026 | 144 | 0001950047-26-009904 |
| Oct 1, 2026 | 144 | 0001950047-26-009905 |
| Oct 1, 2026 | 144 | 0001950047-26-009954 |
| Sep 29, 2026 | 4 | 0001963638-26-000013 |
| Sep 28, 2026 | 4 | 0001123292-26-001329 |
| Sep 25, 2026 | 4 | 0001251445-26-000004 |
| Sep 25, 2026 | 144 | 0001950047-26-009819 |
| Sep 23, 2026 | 144 | 0001950047-26-009774 |
| Sep 22, 2026 | 4 | 0001998460-26-000013 |
| Sep 22, 2026 | 4 | 0002080157-26-000013 |
| Sep 22, 2026 | 4 | 0001998826-26-000020 |