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
4
Filing Date
December 16, 2021
Document Date
December 14, 2021
Form Description
Statement of changes in beneficial ownership of securities
Filing Group
3,4,5
Company
Ciena Corporation
Issuer
CIENA CORP
Filer
YANG MARY

Filing Formats

View HTML
Download PDF
Download DOC
Download XLS

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