CIENA CORP — 4/A Filings
40 4/A filings on record
This page lists all 4/A 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 40 4/A 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 |
|---|---|---|---|---|
| 4/A | FORM 4/A SUBMISSION | 0000899243-23-003082 | Jan 31, 2023 | Mar 31, 2022 |
| 4/A | FORM 4/A SUBMISSION | 0000899243-22-038580 | Dec 15, 2022 | Mar 20, 2022 |
| 4/A | FORM 4/A SUBMISSION | 0000899243-22-038578 | Dec 15, 2022 | Dec 14, 2021 |
| 4/A | PRIMARY DOCUMENT | 0001444157-15-000006 | Apr 1, 2015 | Mar 23, 2015 |
| 4/A | PRIMARY DOCUMENT | 0001177261-15-000006 | Feb 18, 2015 | Jan 2, 2015 |
| 4/A | PRIMARY DOCUMENT | 0001177261-15-000004 | Feb 18, 2015 | Feb 2, 2015 |
| 4/A | PRIMARY DOCUMENT | 0001215181-14-000040 | Dec 22, 2014 | Dec 17, 2014 |
| 4/A | PRIMARY DOCUMENT | 0001526624-14-000005 | Feb 24, 2014 | Feb 14, 2014 |
| 4/A | PRIMARY DOCUMENT | 0001444157-14-000012 | Feb 24, 2014 | Feb 14, 2014 |
| 4/A | PRIMARY DOCUMENT | 0001444157-14-000002 | Jan 7, 2014 | Dec 23, 2013 |
| 4/A | PRIMARY DOCUMENT | 0001068844-12-000004 | Apr 16, 2012 | Mar 27, 2012 |
| 4/A | PRIMARY DOCUMENT | 0001285617-12-000004 | Apr 16, 2012 | Mar 27, 2012 |
| 4/A | PRIMARY DOCUMENT | 0001032553-12-000008 | Apr 16, 2012 | Mar 21, 2012 |
| 4/A | PRIMARY DOCUMENT | 0001444157-12-000002 | Apr 16, 2012 | Mar 21, 2012 |
| 4/A | PRIMARY DOCUMENT | 0001215181-12-000002 | Apr 16, 2012 | Mar 21, 2012 |
| 4/A | PRIMARY DOCUMENT | 0001363623-12-000003 | Apr 16, 2012 | Mar 21, 2012 |
| 4/A | PRIMARY DOCUMENT | 0001526624-12-000002 | Apr 16, 2012 | Mar 21, 2012 |
| 4/A | PRIMARY DOCUMENT | 0001517305-12-000002 | Apr 16, 2012 | Mar 21, 2012 |
| 4/A | PRIMARY DOCUMENT | 0001177261-12-000006 | Apr 16, 2012 | Mar 21, 2012 |
| 4/A | PRIMARY DOCUMENT | 0001301541-11-000002 | Apr 8, 2011 | Mar 23, 2011 |
| 4/A | PRIMARY DOCUMENT | 0001177269-11-000002 | Apr 8, 2011 | Mar 23, 2011 |
| 4/A | PRIMARY DOCUMENT | 0001068844-11-000004 | Apr 8, 2011 | Mar 23, 2011 |
| 4/A | PRIMARY DOCUMENT | 0001221168-11-000005 | Apr 8, 2011 | Mar 23, 2011 |
| 4/A | PRIMARY DOCUMENT | 0001103725-11-000002 | Apr 8, 2011 | Mar 23, 2011 |
| 4/A | PRIMARY DOCUMENT | 0001403694-11-000007 | Apr 8, 2011 | Mar 23, 2011 |
| 4/A | PRIMARY DOCUMENT | 0001198704-11-000002 | Apr 8, 2011 | Mar 23, 2011 |
| 4/A | PRIMARY DOCUMENT | 0001177268-11-000002 | Apr 8, 2011 | Mar 23, 2011 |
| 4/A | PRIMARY DOCUMENT | 0001360607-09-000010 | Dec 29, 2009 | Dec 21, 2009 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-07-065630 | Nov 21, 2007 | Nov 3, 2007 |
| 4/A | PRIMARY DOCUMENT | 0001177266-06-000002 | Mar 13, 2006 | Mar 7, 2006 |
| 4/A | PRIMARY DOCUMENT | 0001032553-06-000002 | Mar 13, 2006 | Mar 7, 2006 |
| 4/A | PRIMARY DOCUMENT | 0001266066-06-000002 | Mar 13, 2006 | Mar 7, 2006 |
| 4/A | PRIMARY DOCUMENT | 0001272820-06-000004 | Mar 13, 2006 | Mar 7, 2006 |
| 4/A | PRIMARY DOCUMENT | 0001177263-06-000002 | Mar 13, 2006 | Mar 7, 2006 |
| 4/A | PRIMARY DOCUMENT | 0001177261-06-000002 | Mar 13, 2006 | Mar 7, 2006 |
| 4/A | PRIMARY DOCUMENT | 0001272820-06-000002 | Jan 6, 2006 | Jan 4, 2006 |
| 4/A | PRIMARY DOCUMENT | 0001288377-04-000004 | Dec 2, 2004 | May 3, 2004 |
| 4/A | PRIMARY DOCUMENT | 0001271965-04-000005 | Mar 16, 2004 | Mar 11, 2004 |
| 4/A | PRIMARY DOCUMENT | 0001177271-03-000003 | Dec 16, 2003 | Jun 3, 2002 |
| 4/A | PRIMARY DOCUMENT | 0001068844-03-000002 | Dec 11, 2003 | Dec 9, 2003 |