CIEN
Ciena·NYSE
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CIEN Filings
Filing Date
Form Description
Form Type
2025-12-04
Form 8-K - Current report
Key Events
2025-12-04 · Key Events
Form 8-K - Current report
2025-12-04
Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
2025-12-04 ·
Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
2025-11-18
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2025-11-18 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2025-11-18
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2025-11-18 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2025-11-18
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2025-11-18 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2025-11-17
Form 144 - Report of proposed sale of securities
Ownership
2025-11-17 · Ownership
Form 144 - Report of proposed sale of securities
2025-11-17
Form 144 - Report of proposed sale of securities
Ownership
2025-11-17 · Ownership
Form 144 - Report of proposed sale of securities
2025-11-17
Form 144 - Report of proposed sale of securities
Ownership
2025-11-17 · Ownership
Form 144 - Report of proposed sale of securities
2025-11-12
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2025-11-12 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2025-11-05
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2025-11-05 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
