CIEN
Ciena·NYSE
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CIEN Filings
Filing Date
Form Description
Form Type
2026-02-04
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2026-02-04 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2026-01-21
Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors
2026-01-21 ·
Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors
2026-01-20
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2026-01-20 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2026-01-20
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2026-01-20 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2026-01-20
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2026-01-20 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2026-01-16
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2026-01-16 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2026-01-15
Form 144 - Report of proposed sale of securities
Ownership
2026-01-15 · Ownership
Form 144 - Report of proposed sale of securities
2026-01-15
Form 144 - Report of proposed sale of securities
Ownership
2026-01-15 · Ownership
Form 144 - Report of proposed sale of securities
2026-01-15
Form 144 - Report of proposed sale of securities
Ownership
2026-01-15 · Ownership
Form 144 - Report of proposed sale of securities
2026-01-13
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2026-01-13 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
