DAWSON GEOPHYSICAL CO — DEF 14A Filings
31 DEF 14A filings on record
This page lists all DEF 14A filings submitted to the SEC by DAWSON GEOPHYSICAL CO (DWSN), sorted by most recent first. Each row links to the full filing on EdgarLookup. DAWSON GEOPHYSICAL CO has filed 31 DEF 14A documents with the SEC since 2004. To view all SEC filings by DAWSON GEOPHYSICAL CO, see the full filings list.
All
10-K
10-K/A
10-Q
10-QT
10KSB
10KSB/A
10QSB
10QSB/A
25
3
4
4/A
424B3
424B4
425
5
5/A
8-A12B
8-A12G
8-K
8-K/A
ARS
CERTAMX
CERTNAS
CORRESP
DEF 14A
DEFA14A
DEFM14A
DEFR14A
DEFS14A
EFFECT
NT 10-K
NT 10-Q
POS EX
PRE 14A
PREM14A
PRER14A
PRES14A
S-4
S-4/A
S-8
S-8 POS
SB-2
SB-2/A
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC 14D9
SC 14D9/A
SC TO-T
SC TO-T/A
SCHEDULE 13D/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEF 14A | DEF 14A | 0001558370-25-006017 | Apr 30, 2025 | Jun 17, 2025 |
| DEF 14A | DEF 14A | 0001558370-24-006113 | Apr 29, 2024 | Jun 18, 2024 |
| DEF 14A | DEF 14A | 0001104659-23-115718 | Nov 8, 2023 | Nov 30, 2023 |
| DEF 14A | DEF 14A | 0001104659-23-096067 | Aug 28, 2023 | Sep 13, 2023 |
| DEF 14A | DEF 14A | 0001104659-22-125757 | Dec 9, 2022 | Dec 20, 2022 |
| DEF 14A | DEF 14A | 0001558370-21-003881 | Apr 1, 2021 | May 11, 2021 |
| DEF 14A | DEF 14A | 0001558370-20-004272 | Apr 24, 2020 | Jun 9, 2020 |
| DEF 14A | DEF 14A | 0001558370-19-002217 | Mar 18, 2019 | Apr 30, 2019 |
| DEF 14A | DEF 14A | 0001558370-18-002314 | Mar 22, 2018 | May 1, 2018 |
| DEF 14A | DEF 14A | 0001558370-17-001996 | Mar 22, 2017 | May 2, 2017 |
| DEF 14A | DEF 14A | 0001047469-16-011598 | Mar 25, 2016 | May 5, 2016 |
| DEF 14A | DEF 14A | 0001047469-15-004145 | Apr 30, 2015 | Jun 2, 2015 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001104659-14-032790 | Apr 30, 2014 | Jun 3, 2014 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001104659-13-035070 | Apr 30, 2013 | Jun 4, 2013 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001104659-12-027542 | Apr 24, 2012 | Jun 5, 2012 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001104659-11-064995 | Nov 18, 2011 | Dec 16, 2011 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001104659-10-021432 | Apr 23, 2010 | Jun 11, 2010 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001104659-09-026670 | Apr 28, 2009 | Jun 2, 2009 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001104659-08-026856 | Apr 25, 2008 | Jun 3, 2008 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001104659-07-033140 | Apr 30, 2007 | Jun 5, 2007 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001104659-06-026520 | Apr 21, 2006 | Jun 6, 2006 |
| DEF 14A | DEF 14A | 0001104659-05-018918 | Apr 29, 2005 | Jun 7, 2005 |
| DEF 14A | TGC 2004 PROXY TEXT VERSION | 0000929966-04-000030 | Apr 28, 2004 | Jun 8, 2004 |
| DEF 14A | TGC INDUSTRIES DEFINITIVE PROXY 6/12/03 TXT | 0000929966-03-000012 | May 5, 2003 | Jun 12, 2003 |
| DEF 14A | TGC INDUSTRIES, INC. PROXY 2002 | 0000929966-02-000011 | Apr 26, 2002 | — |
| DEF 14A | — | 0000929966-01-000005 | Apr 20, 2001 | Apr 16, 2001 |
| DEF 14A | — | 0000929966-00-000006 | Apr 11, 2000 | — |
| DEF 14A | — | 0000929966-99-000003 | Apr 29, 1999 | Dec 31, 1998 |
| DEF 14A | — | 0000929966-98-000006 | Apr 28, 1998 | Dec 31, 1997 |
| DEF 14A | — | 0000929966-97-000018 | Apr 29, 1997 | Dec 31, 1996 |
| DEF 14A | — | 0000929966-96-000005 | Apr 25, 1996 | Dec 31, 1995 |