41 filings
DEF 14A
DWSN
Dawson Geophysical Company
Definitive proxy
8 Nov 23
4:58pm
PRE 14A
DWSN
Dawson Geophysical Company
Preliminary proxy
27 Oct 23
5:15pm
DEF 14A
DWSN
Dawson Geophysical Company
Definitive proxy
28 Aug 23
5:19pm
PRER14A
DWSN
Dawson Geophysical Company
Preliminary revised proxy
23 Aug 23
4:31pm
DEFM14A
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22 Feb 22
Proxy related to merger
4:15pm
PREM14A
ddwkqyih1v1hp0 qst6
23 Nov 21
Preliminary proxy related to merger
5:14pm
DEFA14A
43x5epz extajzhrkn
15 Jan 15
Additional proxy soliciting materials
12:00am