Overview We are a network technology company, providing hardware, software, and services to a wide range of network operators and enabling enhanced network capacity, service delivery, and automation. Our solutions support network traffic across a wide range of applications, including cloud, voice, video, data, and artificial intelligence (AI). Our network solutions are used globally by cloud providers, service providers, and other network operators across multiple industry verticals. Our Network...
Q2 FY2026 — expected 2026-09-09
| Filed | Period | Accession | Source | Full Text |
|---|---|---|---|---|
| 2025-12-12 | 2025-11-01 | 0001628280-25-056698 | EDGAR | 54K words |
| 2024-12-20 | 2024-11-02 | 0000936395-24-000044 | EDGAR | — |
| 2023-12-15 | 2023-10-28 | 0000936395-23-000044 | EDGAR | — |
| 2022-12-16 | 2022-10-29 | 0000936395-22-000065 | EDGAR | — |
| 2021-12-17 | 2021-10-30 | 0000936395-21-000054 | EDGAR | — |
| 2020-12-18 | 2020-10-31 | 0000936395-20-000042 | EDGAR | — |
| Filed | Period | Accession | Source | Full Text |
|---|---|---|---|---|
| 2026-03-05 | 2026-01-31 | 0001628280-26-015152 | EDGAR | 18K words |
| 2025-09-04 | 2025-08-02 | 0000936395-25-000041 | EDGAR | — |
| 2025-06-05 | 2025-05-03 | 0000936395-25-000025 | EDGAR | — |
| 2025-03-12 | 2025-02-01 | 0000936395-25-000011 | EDGAR | — |
| 2024-09-04 | 2024-07-27 | 0000936395-24-000032 | EDGAR | — |
| 2024-06-06 | 2024-04-27 | 0000936395-24-000025 | EDGAR | — |
| 2024-03-07 | 2024-01-27 | 0000936395-24-000008 | EDGAR | — |
| 2023-09-06 | 2023-07-29 | 0000936395-23-000034 | EDGAR | — |
| 2023-06-07 | 2023-04-29 | 0000936395-23-000027 | EDGAR | — |
| 2023-03-08 | 2023-01-28 | 0000936395-23-000014 | EDGAR | — |
| 2022-09-07 | 2022-07-30 | 0000936395-22-000053 | EDGAR | — |
| 2022-06-08 | 2022-04-30 | 0000936395-22-000045 | EDGAR | — |
| Filed | Accession | Source | Full Text |
|---|---|---|---|
| 2026-03-31 | 0001628280-26-022342 | EDGAR | 1K words |
| 2026-03-05 | 0001628280-26-015006 | EDGAR | — |
| 2025-12-11 | 0001628280-25-056425 | EDGAR | — |
| 2025-12-04 | 0001628280-25-055133 | EDGAR | — |
| 2025-10-07 | 0001628280-25-044494 | EDGAR | — |
| 2025-09-22 | 0001628280-25-042266 | EDGAR | — |
| 2025-09-04 | 0000936395-25-000037 | EDGAR | — |
| 2025-06-18 | 0000936395-25-000029 | EDGAR | — |
| 2025-06-05 | 0000936395-25-000023 | EDGAR | — |
| 2025-04-01 | 0000936395-25-000015 | EDGAR | — |
80 total filings indexed. 52 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR
| CIK | 0000936395 |
| Ticker | CIEN |
| Exchange | NYSE |
| SIC | 3661: Telephone & Telegraph Apparatus |
| Incorporated | MD |
| Website | https://www.ciena.com |
| Listed | 1997-02-07 |
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