EXTREME NETWORKS INC — DEFA14A Filings
26 DEFA14A filings on record
This page lists all DEFA14A filings submitted to the SEC by EXTREME NETWORKS INC (EXTR), sorted by most recent first. Each row links to the full filing on EdgarLookup. EXTREME NETWORKS INC has filed 26 DEFA14A documents with the SEC since 2012. To view all SEC filings by EXTREME NETWORKS INC, see the full filings list.
All
10-K
10-K/A
10-Q
10-Q/A
144
3
3/A
4
4/A
424B1
424B3
424B4
5
8-A12B
8-A12B/A
8-A12G
8-A12G/A
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
DEFR14A
DFAN14A
EFFECT
NO ACT
NT 10-K
NT 10-Q
POS AM
PRE 14A
PRER14A
S-1
S-1/A
S-3
S-3/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
SC TO-T
SC TO-T/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0001193125-25-220478 | Sep 26, 2025 | — |
| DEFA14A | DEFA14A | 0000950170-24-110024 | Sep 27, 2024 | — |
| DEFA14A | DEFA14A | 0000950170-23-049943 | Sep 26, 2023 | — |
| DEFA14A | DEFA14A | 0001564590-22-032578 | Sep 28, 2022 | — |
| DEFA14A | DEFA14A | 0001564590-20-044278 | Sep 22, 2020 | — |
| DEFA14A | DEFA14A | 0001193125-19-252183 | Sep 23, 2019 | — |
| DEFA14A | DEFA14A | 0001564590-18-023564 | Sep 25, 2018 | — |
| DEFA14A | NOTICE & ACCESS | 0001193125-17-292946 | Sep 25, 2017 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-16-731534 | Oct 5, 2016 | — |
| DEFA14A | DEFINITIVE PROXY SOLICITING MATERIALS | 0001626129-15-000220 | Oct 5, 2015 | — |
| DEFA14A | DEFA14A | 0001193125-14-362101 | Oct 2, 2014 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001078271-13-000054 | Oct 15, 2013 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-13-396594 | Oct 10, 2013 | — |
| DEFA14A | FORM 8-K | 0001193125-12-411394 | Oct 1, 2012 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-12-180866 | Apr 25, 2012 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-12-137286 | Mar 28, 2012 | — |
| DEFA14A | FORM 8-K | 0001193125-10-224864 | Oct 6, 2010 | — |
| DEFA14A | FORM 8-K | 0001193125-10-219706 | Sep 29, 2010 | — |
| DEFA14A | FORM 8-K | 0001193125-10-206783 | Sep 8, 2010 | — |
| DEFA14A | FORM 8-K | 0001193125-10-196953 | Aug 25, 2010 | — |
| DEFA14A | FORM 8-K | 0001193125-10-182574 | Aug 9, 2010 | — |
| DEFA14A | FORM 8-K | 0001193125-10-175256 | Aug 3, 2010 | — |
| DEFA14A | FORM 8-K | 0001193125-10-173698 | Aug 2, 2010 | — |
| DEFA14A | FORM 8-K | 0001193125-10-172215 | Jul 30, 2010 | — |
| DEFA14A | FORM 8-K | 0001193125-10-163897 | Jul 22, 2010 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-09-252535 | Dec 15, 2009 | — |