| 2026-08-06 | Press release | Ciena Announces Reporting Date and Web Broadcast for Fiscal Third Quarter 2026 Results |
| 2026-08-04 | Press release | Quantum Corridor, Ciena, and Toshiba Complete World’s First 1.6 Tb/s Quantum-Safe Optical Encryption Milestone on Live C |
| 2026-06-22 | Press release | Download , Ciena Strengthens Leadership Team with Key Executive Appointments, June 22, 2026, (opens in new window) |
| 2026-06-22 | Press release | Ciena Strengthens Leadership Team with Key Executive Appointments |
| 2026-06-17 | Press release | Blue Planet Brings Trust to Autonomous Networks with New Configuration and Change Management Solution |
| 2026-06-17 | Press release | Blue Planet Brings Trust to Autonomous Networks with New Configuration and Change Management Solution |
| 2026-06-11 | Press release | Download , Ciena Corporation Announces Closing of $2.875 billion of 0.00% Convertible Senior Notes, June 11, 2026, (open |
| 2026-06-11 | Press release | Ciena Corporation Announces Closing of $2.875 billion of 0.00% Convertible Senior Notes |
| 2026-06-08 | Press release | Download , Ciena Corporation Announces Pricing of Upsized Convertible Senior Notes, June 8, 2026, (opens in new window) |
| 2026-06-08 | Press release | Download , Ciena Announces Proposed Offering of Convertible Senior Notes, June 8, 2026, (opens in new window) |
| 2026-06-08 | Press release | Ciena Corporation Announces Pricing of Upsized Convertible Senior Notes |
| 2026-06-08 | Press release | Ciena Announces Proposed Offering of Convertible Senior Notes |
| 2026-06-04 | Earnings deck | Download PDF file, (opens in new window) |
| 2026-06-04 | Press release | Download , Ciena Reports Fiscal Second Quarter 2026 Financial Results, June 4, 2026, (opens in new window) |
| 2026-05-25 | Press release | Biznet Enhances Digital Infrastructure and Connectivity with Ciena |
| 2026-05-25 | Press release | Biznet Enhances Digital Infrastructure and Connectivity with Ciena |
| 2026-05-07 | Press release | Download , Ciena Announces Reporting Date and Web Broadcast for Fiscal Second Quarter 2026 Results, May 7, 2026, (opens |
| 2026-03-16 | Presentation | Download PDF (opens in new window) |
| 2026-03-10 | Press release | Ciena Solidifies AI Networking Leadership, Unveils New Innovations for High-Speed Connectivity |
| 2026-03-05 | Earnings deck | Presentation
of Q1 2026, PDF file, (opens in new window) |
| 2026-03-05 | Press release | Download
(opens in new window) |
| 2026-02-25 | Press release | Ciena Unveils the Industry’s Highest-Density, Lowest-Power Pluggable Optical Engine to Meet Data Center AI Demands |
| 2026-02-19 | Press release | Lumen Boosts AI Network Transformation with Blue Planet’s AI Studio and Agents |
| 2026-02-12 | Press release | Download , Ciena Announces Internet Availability of 2026 Annual Meeting Proxy Materials, February 12, 2026, (opens in ne |
| 2026-02-06 | Annual report | 2025 Annual Report
of FY 2025, PDF file, (opens in new window) |
| 2026-02-05 | Press release | Download , Ciena Announces Reporting Date and Web Broadcast for Fiscal First Quarter 2026 Results, February 5, 2026, (op |
| 2026-01-30 | Presentation | Download PDF (opens in new window) |
| 2026-01-16 | ESG report | Download PDF (opens in new window) |
| 2026-01-06 | Press release | Download , Ciena to Webcast Financial Community Event – January 13, 2026, January 6, 2026, (opens in new window) |
| 2025-12-11 | Press release | Ciena Reports Fiscal Fourth Quarter 2025 and Year-End Financial Results |
| 2025-12-11 | Press release | View full release of Q4 2025 Earnings, (opens in new window) |
| 2025-12-04 | Press release | Constl & Ciena Achieve Breakthrough 1 Tbps Transmission Across 1,450 km Long-Haul Network Using WaveLogic 6 Extreme |
| 2025-11-13 | Press release | Ciena Announces Reporting Date and Web Broadcast for Fiscal Fourth Quarter and Year End 2025 Results |
| 2025-10-28 | Press release | Global content providers choose Colt and Ciena to meet growth in demand for AI content, gaming and streaming |
| 2025-10-21 | Press release | Trans Americas Fiber System Deploys Ciena High-Capacity Optical Technology on TAM-1 Submarine Cable |
| 2025-10-14 | Press release | FLAG Improves Undersea Connectivity between Key Markets with Ciena WaveLogic 6 |
| 2025-09-30 | Press release | Comcast Deploys Ciena Technology to Extend Fiber Impact |
| 2025-09-22 | Presentation | Transcript: Ciena to Acquire Nubis Communications |
| 2025-09-22 | Press release | Ciena to Acquire Nubis Communications to Expand its Inside the Data Center Strategy and Further Address Growing AI Workl |
| 2025-09-22 | Presentation | Presentation: Ciena to Acquire Nubis Communications |