SEC filings · CIEN
Ciena Corporation SEC filings
Every annual report, quarterly report, proxy statement and current report Ciena Corporation has filed with the SEC since 2025, each linked to the original on SEC EDGAR. Filing.fyi links to the SEC; it does not host copies.
Annual reports (10-K)
- Dec 12, 202510-KAnnual report Period ended Nov 1, 2025
Quarterly reports (10-Q)
- Sep 3, 202610-QQuarterly report
- Mar 5, 202610-QQuarterly report Period ended Jan 31, 2026
Proxy statements (DEF 14A)
- Feb 12, 2026DEF 14AProxy statement
Current reports (8-K)
- Sep 3, 20268-KCurrent report
- Mar 31, 20268-KCurrent report Event date Mar 26, 2026
- Mar 5, 20268-KCurrent report
- Dec 11, 20258-KCurrent report
Insider transactions (Form 4)
- Oct 13, 2026Form 4Insider transaction
- Oct 6, 2026Form 4Insider transaction
- Oct 6, 2026Form 4Insider transaction
- Oct 6, 2026Form 4Insider transaction
- Sep 29, 2026Form 4Insider transaction
- Sep 28, 2026Form 4Insider transaction
- Sep 25, 2026Form 4Insider transaction
- Sep 22, 2026Form 4Insider transaction
- Sep 22, 2026Form 4Insider transaction
- Sep 22, 2026Form 4Insider transaction
- Sep 22, 2026Form 4Insider transaction
- Sep 22, 2026Form 4Insider transaction
- Sep 22, 2026Form 4Insider transaction
- Sep 22, 2026Form 4Insider transaction
- Sep 22, 2026Form 4Insider transaction
- Sep 2, 2026Form 4Insider transaction
- Aug 18, 2026Form 4Insider transaction
- Aug 18, 2026Form 4Insider transaction
- Aug 4, 2026Form 4Insider transaction
- Jul 17, 2026Form 4Insider transaction
- Jul 17, 2026Form 4Insider transaction
- Jul 17, 2026Form 4Insider transaction
Source: SEC EDGAR. Open CIEN on EDGAR →