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CIENA CORP

CIK: 936395 SIC: 3661
1000
Total Filings
9
Filing Categories
23
Financial Reports
All Categories 1000 Financial Reports 44 Current Event Reports 111 Registration Statements 8 Proxy & Shareholder Statements 28 Prospectus Filings 9 Insider Trading 1556 Beneficial Ownership 60 Securities Sales 141 Employee Benefit Plans 5 Specialized Disclosure 11 Annual Reports to Shareholders 4 SEC Correspondence 13 SEC Orders 1 Other Filings 9

Specialized Disclosure

Conflict minerals and specialized disclosures

5 filings
Form Filing Type Period Filed Date Action
SD
Specialized Disclosure
Specialized disclosure report (conflict minerals, etc.)
-
2025-05-30
SEC
SD
Specialized Disclosure
Specialized disclosure report (conflict minerals, etc.)
-
2024-05-30
SEC
SD
Specialized Disclosure
Specialized disclosure report (conflict minerals, etc.)
-
2023-05-31
SEC
SD
Specialized Disclosure
Specialized disclosure report (conflict minerals, etc.)
-
2022-05-31
SEC
SD
Specialized Disclosure
Specialized disclosure report (conflict minerals, etc.)
-
2021-05-28
SEC

Filing categories are based on SEC form types. Click on any filing to view detailed financial data.

Legend: Financial Reports Current Event Reports Registration Statements Proxy & Shareholder Statements Prospectus Filings Insider Trading Beneficial Ownership Securities Sales Employee Benefit Plans Specialized Disclosure Annual Reports to Shareholders SEC Correspondence SEC Orders Other Filings

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