DAWSON GEOPHYSICAL CO — SC 13D Filings
18 SC 13D filings on record
This page lists all SC 13D 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 18 SC 13D 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 |
|---|---|---|---|---|
| SC 13D | — | 0001606587-21-001251 | Oct 8, 2021 | — |
| SC 13D | SC 13D | 0001193125-21-010725 | Jan 19, 2021 | — |
| SC 13D | WEDGE ENERGY SERVICES, LLC FOR TGC INDUSTRIES, INC | 0000950129-99-005527 | Dec 22, 1999 | — |
| SC 13D | — | 0001031599-98-000009 | Oct 13, 1998 | — |
| SC 13D | — | 0001031599-98-000008 | Oct 13, 1998 | — |
| SC 13D | — | 0001031599-98-000007 | Oct 13, 1998 | — |
| SC 13D | — | 0001031599-98-000006 | Aug 27, 1998 | — |
| SC 13D | — | 0001031599-98-000005 | Aug 21, 1998 | — |
| SC 13D | — | 0001031599-98-000004 | Aug 17, 1998 | — |
| SC 13D | — | 0001031599-98-000003 | Jun 25, 1998 | — |
| SC 13D | — | 0001031599-98-000002 | Jun 23, 1998 | — |
| SC 13D | — | 0001031599-97-000026 | Sep 9, 1997 | — |
| SC 13D | — | 0001031599-97-000025 | Sep 9, 1997 | — |
| SC 13D | — | 0001031599-97-000024 | Aug 15, 1997 | — |
| SC 13D | — | 0001031599-97-000023 | Aug 14, 1997 | — |
| SC 13D | — | 0001031599-97-000022 | Aug 13, 1997 | — |
| SC 13D | — | 0001031599-97-000006 | May 14, 1997 | — |
| SC 13D | — | 0001031599-97-000005 | May 14, 1997 | — |