CIENA CORP — CORRESP Filings
13 CORRESP filings on record
This page lists all CORRESP 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 13 CORRESP documents with the SEC since 2020. To view all SEC filings by CIENA CORP, see the full filings list.
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 |
|---|---|---|---|---|
| CORRESP | — | 0000936395-20-000020 | Apr 23, 2020 | — |
| CORRESP | — | 0000936395-18-000004 | Feb 15, 2018 | — |
| CORRESP | — | 0001193125-17-228629 | Jul 14, 2017 | — |
| CORRESP | — | 0000936395-16-000089 | Apr 8, 2016 | — |
| CORRESP | — | 0000936395-16-000085 | Mar 24, 2016 | — |
| CORRESP | — | 0001193125-15-236888 | Jun 26, 2015 | — |
| CORRESP | — | 0000936395-15-000019 | Mar 5, 2015 | — |
| CORRESP | — | 0000936395-15-000011 | Feb 27, 2015 | — |
| CORRESP | — | 0000950123-09-036724 | Aug 19, 2009 | — |
| CORRESP | — | 0000950123-09-023086 | Jul 17, 2009 | — |
| CORRESP | — | 0000950123-09-020871 | Jul 8, 2009 | — |
| CORRESP | — | 0000950133-08-000218 | Jan 23, 2008 | — |
| CORRESP | — | 0000950133-06-000582 | Feb 10, 2006 | — |