DAWSON GEOPHYSICAL CO — SC 13D/A Filings
7 SC 13D/A filings on record
This page lists all SC 13D/A 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 7 SC 13D/A 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/A | AMENDMENT TO FORM SC 13D | 0001839882-23-028790 | Oct 30, 2023 | — |
| SC 13D/A | AMENDMENT TO FORM SC 13D | 0001387131-23-008047 | Jun 29, 2023 | — |
| SC 13D/A | SC 13D/A | 0001193125-22-021720 | Jan 28, 2022 | — |
| SC 13D/A | SC 13D/A | 0001193125-22-010065 | Jan 14, 2022 | — |
| SC 13D/A | SC 13D/A | 0001193125-21-306701 | Oct 25, 2021 | — |
| SC 13D/A | WEDGE ENERGY SERVICES, L.L.C. | 0000950129-04-000666 | Feb 17, 2004 | — |
| SC 13D/A | W.E.S., L.L.C. FOR TGC INDUSTRIES, INC. | 0000950129-01-000262 | Jan 19, 2001 | — |