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4

PRIMARY DOCUMENT

Company: CIENA CORP
Filed: January 20, 2026
Period of Report: January 15, 2026
Accession Number: 0001032553-26-000004

View Document ↗ View on SEC.gov ↗

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© 2026 EdgarLookup. All rights reserved. Filing data sourced from the SEC EDGAR database. For informational purposes only — not financial advice. · Data last updated 3 months ago.