MATRIX SERVICE CO — DEF 14A Filings
31 DEF 14A filings on record
This page lists all DEF 14A filings submitted to the SEC by MATRIX SERVICE CO (MTRX), sorted by most recent first. Each row links to the full filing on EdgarLookup. MATRIX SERVICE CO has filed 31 DEF 14A documents with the SEC since 2010. To view all SEC filings by MATRIX SERVICE CO, see the full filings list.
All
10-K
10-K/A
10-Q
10-Q/A
144
3
4
4/A
424B3
5
8-A12B
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
DEFR14A
EFFECT
NT 10-K
NT 10-Q
POS AM
PRE 14A
PREC14A
REGDEX
S-3
S-3/A
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEF 14A | DEF 14A | 0001140361-25-036001 | Sep 24, 2025 | Nov 4, 2025 |
| DEF 14A | DEF 14A | 0001140361-24-041884 | Sep 25, 2024 | Nov 5, 2024 |
| DEF 14A | DEF 14A | 0001140361-23-047147 | Oct 5, 2023 | Nov 14, 2023 |
| DEF 14A | DEF 14A | 0001140361-22-038225 | Oct 24, 2022 | Dec 5, 2022 |
| DEF 14A | DEF 14A | 0001140361-21-032245 | Sep 23, 2021 | Nov 2, 2021 |
| DEF 14A | DEF 14A | 0001140361-20-021431 | Sep 24, 2020 | Nov 3, 2020 |
| DEF 14A | DEF 14A | 0001140361-19-017270 | Sep 26, 2019 | Nov 5, 2019 |
| DEF 14A | DEF 14A | 0000866273-18-000095 | Sep 21, 2018 | Oct 30, 2018 |
| DEF 14A | DEF 14A | 0001193125-17-286066 | Sep 15, 2017 | Oct 31, 2017 |
| DEF 14A | DEF 14A | 0000866273-16-000233 | Oct 7, 2016 | Nov 11, 2016 |
| DEF 14A | DEF 14A | 0000866273-15-000086 | Oct 9, 2015 | Nov 12, 2015 |
| DEF 14A | DEF 14A | 0000866273-14-000094 | Oct 10, 2014 | Nov 13, 2014 |
| DEF 14A | DEF 14A | 0000866273-13-000067 | Oct 11, 2013 | Nov 14, 2013 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-12-419606 | Oct 10, 2012 | Nov 15, 2012 |
| DEF 14A | DEFINITIVE NOTICE & PROXY STATEMENT | 0001193125-11-268555 | Oct 12, 2011 | Nov 17, 2011 |
| DEF 14A | DEFINITIVE NOTICE & PROXY STATEMENT | 0001193125-10-239228 | Oct 28, 2010 | Dec 2, 2010 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-09-190436 | Sep 11, 2009 | Oct 23, 2009 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-08-196283 | Sep 16, 2008 | Oct 21, 2008 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-07-201472 | Sep 14, 2007 | Oct 22, 2007 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-06-191449 | Sep 15, 2006 | Oct 23, 2006 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-05-186933 | Sep 16, 2005 | Oct 21, 2005 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-04-158839 | Sep 20, 2004 | Oct 26, 2004 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-04-026404 | Feb 19, 2004 | Mar 23, 2004 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-03-051816 | Sep 19, 2003 | Oct 21, 2003 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000930661-02-003397 | Sep 27, 2002 | Oct 22, 2002 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000930661-01-501760 | Sep 17, 2001 | Oct 23, 2001 |
| DEF 14A | NOTICE & PROXY DEF14A | 0001023363-00-000076 | Sep 6, 2000 | May 31, 2000 |
| DEF 14A | NOTICE & PROXY DEF14A | 0000930661-99-002163 | Sep 17, 1999 | Oct 27, 1999 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000866273-98-000017 | Sep 18, 1998 | May 31, 1998 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000866273-97-000009 | Sep 18, 1997 | May 31, 1997 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000866273-96-000014 | Sep 18, 1996 | May 31, 1996 |