Here are the 10-K annual reports from Ciena Corporation (CIEN) in our archive since June 2025, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A 10-K covers the audited annual report, with the full financial statements, so if you follow CIEN and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full CIEN filings page.
Ciena Corporation files its annual report describing a global network technology business focused on optical networking, routing, software and services. The company’s WaveLogic coherent optics, photonic line systems and routing platforms support high-capacity, low-latency networks for cloud providers, communications service providers and other large operators. Ciena is emphasizing AI-driven traffic growth, data center interconnect, and metro and edge networks, including new interconnect products from its Nubis Communications acquisition. Its portfolio spans Networking Platforms, Platform Software and Services, Blue Planet Automation Software and Services, and Global Services. Ciena reports a workforce of 9,080 employees across 39 countries and highlights intense competition from major networking vendors, along with ongoing investment in R&D, compliance and environmental programs.