MATRIX SERVICE CO — SC 13G/A Filings
123 SC 13G/A filings on record
This page lists all SC 13G/A 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 123 SC 13G/A 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 |
|---|---|---|---|---|
| SC 13G/A | AMENDMENT NO. 4 TO FORM 13G | 0001089355-01-000025 | Jan 10, 2001 | — |
| SC 13G/A | 13G AMENDMENT | 0000009015-00-000151 | Dec 11, 2000 | — |
| SC 13G/A | AMENDMENT NO. 3 TO FORM 13G | 0001089355-00-000560 | Dec 7, 2000 | — |
| SC 13G/A | AMENDMENT NO 2 TO SCHEDULE 13G | 0001089355-00-000501 | Nov 1, 2000 | — |
| SC 13G/A | AMENDMENT NO 1 TO SCHEDULE 13G | 0001089355-00-000248 | Feb 14, 2000 | — |
| SC 13G/A | 13G AMENDMENT | 0000009015-00-000072 | Feb 7, 2000 | — |
| SC 13G/A | MATRIX SERVICE COMPANY | 0000950131-00-000464 | Jan 26, 2000 | — |
| SC 13G/A | — | 0000728974-99-000010 | May 7, 1999 | — |
| SC 13G/A | — | 0000728974-99-000007 | Feb 4, 1999 | — |
| SC 13G/A | 13G AMENDMENT | 0000009015-99-000047 | Jan 26, 1999 | — |
| SC 13G/A | — | 0000728974-99-000006 | Jan 8, 1999 | — |
| SC 13G/A | — | 0000728974-98-000014 | Oct 1, 1998 | — |
| SC 13G/A | — | 0000728974-98-000001 | Feb 13, 1998 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001047469-98-005139 | Feb 12, 1998 | — |
| SC 13G/A | — | 0000065103-98-000136 | Feb 5, 1998 | — |
| SC 13G/A | 13G AMENDMENT | 0000009015-98-000033 | Jan 15, 1998 | — |
| SC 13G/A | SC 13G | 0000912057-97-004244 | Feb 12, 1997 | — |
| SC 13G/A | SCHEDULE 13G AMENDMENT | 0000065103-97-000108 | Feb 11, 1997 | — |
| SC 13G/A | 13G AMENDMENT | 0000009015-97-000057 | Feb 7, 1997 | — |
| SC 13G/A | 13G AMENDMENT | 0000009015-96-000012 | Sep 10, 1996 | — |
| SC 13G/A | — | 0000068100-96-000304 | Feb 15, 1996 | — |
| SC 13G/A | SCHEDULE 13G AMENDMENT | 0000065103-96-000089 | Feb 8, 1996 | — |
| SC 13G/A | SCHEDULE 13G AMENDMENT | 0000065103-95-000061 | Feb 13, 1995 | — |