Ciena Corporation (CIEN) SEC Filings

Ciena Corporation (CIEN) SEC EDGAR filings (8-K, 10-Q, DEF 14A, 10-K), newest first; latest 8-K filed 2026-06-11. Every filing links to the canonical SEC document. First-party data.

SEC filings — source: EDGAR

Filed	Form	Title
2026-06-11	8-K	8-K filed 2026-06-11 by CIENA CORP
2026-06-08	8-K	8-K filed 2026-06-08 by CIENA CORP
2026-06-04	8-K	8-K filed 2026-06-04 by CIENA CORP
2026-06-04	10-Q	10-Q filed 2026-06-04 by CIENA CORP
2026-03-31	8-K	8-K filed 2026-03-31 by CIENA CORP
2026-03-05	10-Q	10-Q filed 2026-03-05 by CIENA CORP
2026-03-05	8-K	8-K filed 2026-03-05 by CIENA CORP
2026-02-12	DEF 14A	DEF 14A filed 2026-02-12 by CIENA CORP
2025-12-12	10-K	10-K filed 2025-12-12 by CIENA CORP
2025-12-11	8-K	8-K filed 2025-12-11 by CIENA CORP
2025-12-04	8-K	8-K filed 2025-12-04 by CIENA CORP
2025-10-07	8-K	8-K filed 2025-10-07 by CIENA CORP
2025-09-22	8-K	8-K filed 2025-09-22 by CIENA CORP
2025-09-04	10-Q	10-Q filed 2025-09-04 by CIENA CORP
2025-09-04	8-K	8-K filed 2025-09-04 by CIENA CORP
2025-06-18	8-K	8-K filed 2025-06-18 by CIENA CORP
2025-06-05	10-Q	10-Q filed 2025-06-05 by CIENA CORP
2025-06-05	8-K	8-K filed 2025-06-05 by CIENA CORP
2025-04-01	8-K	8-K filed 2025-04-01 by CIENA CORP
2025-03-12	10-Q	10-Q filed 2025-03-12 by CIENA CORP
2025-03-11	8-K	8-K filed 2025-03-11 by CIENA CORP
2025-02-13	DEF 14A	DEF 14A filed 2025-02-13 by CIENA CORP
2025-01-21	8-K	8-K filed 2025-01-21 by CIENA CORP
2024-12-20	10-K	10-K filed 2024-12-20 by CIENA CORP
2024-12-12	8-K	8-K filed 2024-12-12 by CIENA CORP
2024-10-02	8-K	8-K filed 2024-10-02 by CIENA CORP
2024-09-04	8-K	8-K filed 2024-09-04 by CIENA CORP
2024-09-04	10-Q	10-Q filed 2024-09-04 by CIENA CORP
2024-06-06	8-K	8-K filed 2024-06-06 by CIENA CORP
2024-06-06	10-Q	10-Q filed 2024-06-06 by CIENA CORP

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Data sourced from U.S. SEC EDGAR. Not personalized investment advice.