CIENA CORP — DEFA14A Filings
34 DEFA14A filings on record
This page lists all DEFA14A 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 34 DEFA14A 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 |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0001193125-26-047999 | Feb 12, 2026 | — |
| DEFA14A | DEFA14A | 0000950170-25-019405 | Feb 13, 2025 | — |
| DEFA14A | DEFA14A | 0001193125-24-027746 | Feb 8, 2024 | — |
| DEFA14A | DEFA14A | 0001193125-23-060191 | Mar 3, 2023 | — |
| DEFA14A | DEFA14A | 0000936395-23-000005 | Feb 16, 2023 | — |
| DEFA14A | DEFA14A | 0000936395-22-000020 | Feb 15, 2022 | — |
| DEFA14A | DEFA14A | 0000936395-21-000002 | Feb 18, 2021 | — |
| DEFA14A | DEFA14A | 0000936395-20-000008 | Mar 6, 2020 | — |
| DEFA14A | 8-K | 0000936395-20-000004 | Feb 19, 2020 | — |
| DEFA14A | DEFA14A | 0000936395-19-000002 | Feb 12, 2019 | — |
| DEFA14A | DEFA14A | 0000936395-18-000006 | Feb 20, 2018 | — |
| DEFA14A | DEFA14A | 0000936395-17-000011 | Feb 8, 2017 | — |
| DEFA14A | DEFA14A | 0000936395-17-000009 | Feb 8, 2017 | — |
| DEFA14A | DEFA14A | 0000936395-16-000079 | Mar 7, 2016 | — |
| DEFA14A | DEFA14A | 0000936395-16-000073 | Feb 10, 2016 | — |
| DEFA14A | DEFA14A | 0000936395-16-000071 | Feb 10, 2016 | — |
| DEFA14A | DEFA14A | 0000936395-15-000009 | Feb 17, 2015 | — |
| DEFA14A | DEFA14A | 0000936395-15-000008 | Feb 11, 2015 | — |
| DEFA14A | DEFA14A | 0000936395-14-000011 | Feb 28, 2014 | — |
| DEFA14A | DEFA14A | 0000936395-14-000009 | Feb 28, 2014 | — |
| DEFA14A | DEFA14A - ALL HANDS EMAIL 0N 2013 PROXY AND ANNUAL MEETING | 0000936395-13-000012 | Feb 1, 2013 | — |
| DEFA14A | DEFA14A - 2013 PROXY NOTICE | 0000936395-13-000010 | Feb 1, 2013 | — |
| DEFA14A | DEFA14A | 0000936395-12-000013 | Feb 2, 2012 | — |
| DEFA14A | DEFA14A | 0000936395-12-000011 | Feb 2, 2012 | — |
| DEFA14A | DEFA14A | 0000950123-11-008111 | Feb 2, 2011 | — |
| DEFA14A | DEFA14A | 0000950123-11-008110 | Feb 2, 2011 | — |
| DEFA14A | DEFA14A | 0000950123-10-016668 | Feb 25, 2010 | — |
| DEFA14A | DEFA14A | 0000950123-10-016667 | Feb 25, 2010 | — |
| DEFA14A | DEFA14A | 0000950133-09-000163 | Feb 2, 2009 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0000950133-09-000162 | Feb 2, 2009 | — |
| DEFA14A | DEFA14A | 0000950133-08-000410 | Feb 8, 2008 | — |
| DEFA14A | DEFA14A | 0000950133-08-000408 | Feb 8, 2008 | — |
| DEFA14A | DEFA14A | 0000950133-05-000878 | Mar 4, 2005 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0000950133-02-000390 | Feb 8, 2002 | — |