CompanyScope

Ciena Corp. 10-K and 10-Q filings

Ticker CIEN · SEC CIK 936395 · Latest fiscal year ended Nov 1, 2025

Ciena Corp. has 16 annual reports and 49 quarterly reports with XBRL financial data on SEC EDGAR, filed between Sep 8, 2010 and Sep 3, 2026. Each link opens the filing's index page on sec.gov, where you can read the full document.

FiledFormAccession numberDocument
Sep 3, 202610-Q0001628280-26-060361View on SEC EDGAR
Jun 4, 202610-Q0001628280-26-040767View on SEC EDGAR
Mar 5, 202610-Q0001628280-26-015152View on SEC EDGAR
Dec 12, 202510-K0001628280-25-056698View on SEC EDGAR
Sep 4, 202510-Q0000936395-25-000041View on SEC EDGAR
Jun 5, 202510-Q0000936395-25-000025View on SEC EDGAR
Mar 12, 202510-Q0000936395-25-000011View on SEC EDGAR
Dec 20, 202410-K0000936395-24-000044View on SEC EDGAR
Sep 4, 202410-Q0000936395-24-000032View on SEC EDGAR
Jun 6, 202410-Q0000936395-24-000025View on SEC EDGAR
Mar 7, 202410-Q0000936395-24-000008View on SEC EDGAR
Dec 15, 202310-K0000936395-23-000044View on SEC EDGAR
Sep 6, 202310-Q0000936395-23-000034View on SEC EDGAR
Jun 7, 202310-Q0000936395-23-000027View on SEC EDGAR
Mar 8, 202310-Q0000936395-23-000014View on SEC EDGAR
Dec 16, 202210-K0000936395-22-000065View on SEC EDGAR
Sep 7, 202210-Q0000936395-22-000053View on SEC EDGAR
Jun 8, 202210-Q0000936395-22-000045View on SEC EDGAR
Mar 9, 202210-Q0000936395-22-000029View on SEC EDGAR
Dec 17, 202110-K0000936395-21-000054View on SEC EDGAR
Sep 8, 202110-Q0000936395-21-000040View on SEC EDGAR
Jun 9, 202110-Q0000936395-21-000034View on SEC EDGAR
Mar 10, 202110-Q0000936395-21-000010View on SEC EDGAR
Dec 18, 202010-K0000936395-20-000042View on SEC EDGAR
Sep 9, 202010-Q0000936395-20-000036View on SEC EDGAR
Jun 10, 202010-Q0000936395-20-000028View on SEC EDGAR
Mar 11, 202010-Q0000936395-20-000011View on SEC EDGAR
Dec 20, 201910-K0000936395-19-000056View on SEC EDGAR
Sep 11, 201910-Q0000936395-19-000040View on SEC EDGAR
Jun 12, 201910-Q0000936395-19-000021View on SEC EDGAR
Mar 11, 201910-Q0000936395-19-000010View on SEC EDGAR
Dec 21, 201810-K0000936395-18-000048View on SEC EDGAR
Sep 5, 201810-Q0000936395-18-000037View on SEC EDGAR
Jun 6, 201810-Q0000936395-18-000024View on SEC EDGAR
Mar 7, 201810-Q0000936395-18-000013View on SEC EDGAR
Dec 22, 201710-K0000936395-17-000064View on SEC EDGAR
Sep 7, 201710-Q0000936395-17-000051View on SEC EDGAR
Jun 7, 201710-Q0000936395-17-000038View on SEC EDGAR
Mar 8, 201710-Q0000936395-17-000020View on SEC EDGAR
Dec 21, 201610-K0000936395-16-000128View on SEC EDGAR
Sep 7, 201610-Q0000936395-16-000115View on SEC EDGAR
Jun 8, 201610-Q0000936395-16-000104View on SEC EDGAR
Mar 9, 201610-Q0000936395-16-000083View on SEC EDGAR
Dec 21, 201510-K0000936395-15-000062View on SEC EDGAR
Sep 9, 201510-Q0000936395-15-000053View on SEC EDGAR
Jun 10, 201510-Q0000936395-15-000038View on SEC EDGAR
Mar 12, 201510-Q0000936395-15-000024View on SEC EDGAR
Dec 19, 201410-K0000936395-14-000063View on SEC EDGAR
Sep 9, 201410-Q0000936395-14-000051View on SEC EDGAR
Jun 11, 201410-Q0000936395-14-000040View on SEC EDGAR
Mar 7, 201410-Q0000936395-14-000021View on SEC EDGAR
Dec 20, 201310-K0000936395-13-000057View on SEC EDGAR
Sep 11, 201310-Q0000936395-13-000040View on SEC EDGAR
Jun 12, 201310-Q0000936395-13-000029View on SEC EDGAR
Mar 13, 201310-Q0000936395-13-000019View on SEC EDGAR
Dec 21, 201210-K0000936395-12-000075View on SEC EDGAR
Sep 5, 201210-Q0000936395-12-000059View on SEC EDGAR
Jun 6, 201210-Q0000936395-12-000047View on SEC EDGAR
Mar 8, 201210-Q0000936395-12-000028View on SEC EDGAR
Dec 22, 201110-K0000936395-11-000009View on SEC EDGAR
Sep 8, 201110-Q0000950123-11-083442View on SEC EDGAR
Jun 9, 201110-Q0000950123-11-057860View on SEC EDGAR
Mar 10, 201110-Q0000950123-11-024166View on SEC EDGAR
Dec 22, 201010-K0000950123-10-115852View on SEC EDGAR
Sep 8, 201010-Q0000950123-10-084625View on SEC EDGAR

This list covers filings that contain XBRL financial data (generally from 2009 onward). It does not include 8-Ks, proxy statements or other forms. For the complete history, see Ciena Corp. on EDGAR.

Source: SEC EDGAR XBRL company facts for CIK 936395 (raw data). Most recent filing in this dataset: 10-Q filed Sep 3, 2026. SEC data file dated Nov 3, 2026; page built Nov 5, 2026. Figures are as most recently reported, including restatements. How we select figures.