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CIENA CORP — SD Filings

12 SD filings on record

This page lists all SD filings submitted to the SEC by CIENA CORP (CIEN), sorted by most recent first. Each row links to the full filing on EdgarLookup. CIENA CORP has filed 12 SD documents with the SEC since 2020. To view all SEC filings by CIENA CORP, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 10-Q/A 144 25 3 3/A 4 4/A 424B3 424B4 424B5 425 8-A12B 8-A12G 8-K 8-K/A ARS CERTNYS CORRESP CT ORDER DEF 14A DEFA14A EFFECT FWP POS AM POSASR PRE 14A PRER14A REGDEX REGDEX/A S-1 S-1/A S-3 S-3/A S-3ASR S-3MEF S-4 S-4/A S-8 S-8 POS SC 13D SC 13D/A SC 13G SC 13G/A SC TO-C SC TO-I SC TO-I/A SCHEDULE 13G/A SD UPLOAD
Form Description Accession Number Filed Period
SD SD 0000936395-25-000019 May 30, 2025
SD SD 0000936395-24-000017 May 30, 2024
SD SD 0000936395-23-000021 May 31, 2023
SD SD 0000936395-22-000039 May 31, 2022
SD SD 0000936395-21-000023 May 28, 2021
SD SD 0000936395-20-000023 May 29, 2020
SD SD 0000936395-19-000014 May 29, 2019
SD SD 0000936395-18-000019 May 24, 2018
SD SD 0000936395-17-000030 May 26, 2017
SD SD 0000936395-16-000095 May 27, 2016
SD SD 0000936395-15-000030 May 29, 2015
SD SD 0000936395-14-000032 May 30, 2014