DAWSON GEOPHYSICAL CO — 4 Filings
403 4 filings on record
This page lists all 4 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 403 4 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 |
|---|---|---|---|---|
| 4 | FORM 4 - | 0001179110-05-011566 | Jun 2, 2005 | May 31, 2005 |
| 4 | FORM 4 - | 0001179110-05-011109 | May 26, 2005 | Oct 5, 2004 |
| 4 | FORM 4 - | 0001179110-05-009250 | May 9, 2005 | May 5, 2005 |
| 4 | FORM 4 - | 0001179110-05-009203 | May 6, 2005 | May 4, 2005 |
| 4 | FORM 4 - | 0001179110-05-008811 | May 3, 2005 | Apr 29, 2005 |
| 4 | FORM 4 - | 0001179110-05-007979 | Apr 20, 2005 | Apr 18, 2005 |
| 4 | FORM 4 - | 0001179110-05-007380 | Apr 6, 2005 | Apr 4, 2005 |
| 4 | FORM 4 - | 0001179110-05-007084 | Apr 1, 2005 | Mar 30, 2005 |
| 4 | FORM 4 - | 0001179110-05-006577 | Mar 24, 2005 | Mar 22, 2005 |
| 4 | PRIMARY DOCUMENT | 0000929966-05-000008 | Feb 8, 2005 | Feb 4, 2005 |
| 4 | PRIMARY DOCUMENT | 0000929966-05-000006 | Feb 2, 2005 | Jan 31, 2005 |
| 4 | PRIMARY DOCUMENT | 0000929966-05-000005 | Feb 2, 2005 | Jan 31, 2005 |
| 4 | PRIMARY DOCUMENT | 0000929966-05-000003 | Jan 28, 2005 | Jan 26, 2005 |
| 4 | PRIMARY DOCUMENT | 0000929966-05-000002 | Jan 20, 2005 | Jan 18, 2005 |
| 4 | PRIMARY DOCUMENT | 0000929966-05-000001 | Jan 14, 2005 | Jan 12, 2005 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000071 | Dec 17, 2004 | Dec 15, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000070 | Dec 17, 2004 | Dec 15, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000069 | Dec 17, 2004 | Dec 15, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000068 | Dec 15, 2004 | Dec 13, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000067 | Dec 15, 2004 | Dec 13, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000066 | Nov 29, 2004 | Nov 24, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000061 | Oct 29, 2004 | Oct 27, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000057 | Oct 19, 2004 | Oct 18, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000056 | Oct 19, 2004 | Oct 18, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000049 | Sep 10, 2004 | Sep 8, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000047 | Sep 2, 2004 | Aug 31, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000031 | Apr 29, 2004 | Apr 28, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000026 | Apr 13, 2004 | Apr 8, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000025 | Apr 13, 2004 | Apr 8, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000024 | Apr 13, 2004 | Apr 8, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000023 | Apr 13, 2004 | Apr 8, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000022 | Apr 13, 2004 | Apr 8, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000021 | Apr 13, 2004 | Apr 8, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000009 | Feb 24, 2004 | Feb 23, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000008 | Feb 24, 2004 | Feb 23, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000007 | Feb 24, 2004 | Feb 23, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000006 | Feb 24, 2004 | Feb 23, 2004 |
| 4 | PRIMARY DOCUMENT | 0000929966-04-000005 | Feb 24, 2004 | Feb 23, 2004 |
| 4 | MAIN DOCUMENT DESCRIPTION | 0001209191-04-012399 | Feb 24, 2004 | Feb 23, 2004 |
| 4 | MAIN DOCUMENT DESCRIPTION | 0001209191-04-012398 | Feb 24, 2004 | Feb 23, 2004 |
| 4 | MAIN DOCUMENT DESCRIPTION | 0001209191-03-033098 | Dec 2, 2003 | Dec 1, 2003 |
| 4 | MAIN DOCUMENT DESCRIPTION | 0001209191-03-033097 | Dec 2, 2003 | Dec 1, 2003 |
| 4 | PRIMARY DOCUMENT | 0000929966-03-000038 | Nov 24, 2003 | Nov 21, 2003 |
| 4 | PRIMARY DOCUMENT | 0000929966-03-000037 | Nov 20, 2003 | Nov 18, 2003 |
| 4 | PRIMARY DOCUMENT | 0000929966-03-000035 | Nov 12, 2003 | Nov 10, 2003 |
| 4 | PRIMARY DOCUMENT | 0000929966-03-000032 | Nov 3, 2003 | Oct 29, 2003 |
| 4 | PRIMARY DOCUMENT | 0000929966-03-000031 | Oct 31, 2003 | Oct 29, 2003 |
| 4 | PRIMARY DOCUMENT | 0000929966-03-000030 | Oct 31, 2003 | Oct 29, 2003 |
| 4 | PRIMARY DOCUMENT | 0000929966-03-000029 | Oct 31, 2003 | Oct 29, 2003 |
| 4 | PRIMARY DOCUMENT | 0000929966-03-000028 | Oct 31, 2003 | Oct 29, 2003 |