Ciena Corp (CIEN)

CIK 936395 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for Ciena Corp.

Recent SEC filings

FiledFormAccession number
Sep 3, 202610-Q0001628280-26-060361
Sep 3, 2026SCHEDULE 13G/A0000019617-26-000338
Sep 3, 20268-K0001628280-26-060245
Sep 2, 202640001032553-26-000037
Aug 18, 202640001998826-26-000016
Aug 18, 202640002080157-26-000010
Aug 18, 202640001032553-26-000035
Aug 18, 202640001444157-26-000022
Aug 17, 20261440001950047-26-008216
Aug 14, 20261440001950047-26-008136
Aug 14, 20261440001950047-26-008131
Aug 6, 2026SCHEDULE 13G/A0000315066-26-001963
Aug 4, 202640002080157-26-000008
Aug 4, 202640001032553-26-000033
Jul 17, 202640001444157-26-000020
Jul 17, 202640001998826-26-000014
Jul 17, 202640001998460-26-000009
Jul 17, 202640001032553-26-000031
Jul 15, 20261440001950047-26-007112
Jul 15, 20261440001950047-26-007083
Jul 15, 20261440001958244-26-000454
Jul 15, 20261440001950047-26-007084
Jul 6, 202640001699193-26-000006
Jul 6, 202640001032553-26-000029
Jul 6, 202640001963781-26-000010