Skip to main navigation
Ciena logo
  • Overview
  • Investment Proposition
  • News
  • Events & Presentations
  • Stock Info
    Stock Quote & Chart Historical Stock Quote Investment Calculator Stock Split History Ownership Profile Analyst Coverage
  • Financials
    Quarterly Results Latest Annual Reports Archived Annual Reports SEC Filings Financial Fundamentals
    Income Balance Sheet Cash Flow Ratios
  • Corporate Responsibility
    Corporate Responsibility Governance Documents Executive Management Board of Directors Committee Composition
  • Resources
    2024 Annual Shareholder Meeting Investor FAQs Information Request Email Alerts Glossaries
    Telecom Glossary Network Virtualization Glossary 5G Glossary Fiber Deep Glossary
    Fact Sheet
  • IR Contacts

SEC Filing Details

Document Details

Form
SC 13G
Filing Date
January 29, 2010
Document Date
January 29, 2010
Form Description
A statement of beneficial ownership of common stock by certain persons
Filing Group
Other
Company
Ciena Corporation
Issuer
CIENA CORP
Filer
BLACKROCK INC.

Filing Formats

View HTML
Download PDF
Download DOC

Shareholder Tools

Quick Links

  • 2022 Annual Shareholder Meeting
  • Annual Report Archives
  • Investor FAQs
  • Social Responsibility

Corporate

  • Network Insights
  • Products and Services
  • Support and next steps

Related Links

  • Sitemap
  • BluePlanet.com
  • ShopCiena.com
  • Worldwide

Social Media

  • Facebook
  • Instagram
  • Twitter
  • Linkedin
  • Youtube

Footer Bottom

  • About
  • Partners
  • Investors
  • Careers
  • Copyright © 2024 Ciena Corporation