34 filings
UPLOAD
DWSN
Dawson Geophysical Company
25 Aug 23
Letter from SEC
12:00am
CORRESP
DWSN
Dawson Geophysical Company
7 Aug 23
Correspondence with SEC
12:00am
UPLOAD
DWSN
Dawson Geophysical Company
26 Jul 23
Letter from SEC
12:00am
UPLOAD
DWSN
Dawson Geophysical Company
4 Nov 21
Letter from SEC
12:00am
CORRESP
DWSN
Dawson Geophysical Company
31 Dec 14
Correspondence with SEC
12:00am
EFFECT
pm4deelq9x
31 Dec 14
Notice of effectiveness
12:00am
CORRESP
ceem73 6cdabzxqmp98
31 Dec 14
Correspondence with SEC
12:00am
CORRESP
6v9jpa2i 22x5t
16 Dec 14
Correspondence with SEC
12:00am
CORRESP
vsn 2cxy1cxzklnpmg
16 Dec 14
Correspondence with SEC
12:00am
UPLOAD
rzdht
3 Dec 14
Letter from SEC
12:00am
CORRESP
c4gugdwllp9j6b540c5
6 Nov 14
Correspondence with SEC
12:00am
UPLOAD
4v9u787 4wfa5k1sd6j
20 Nov 13
Letter from SEC
12:00am
CORRESP
w45j 2840zjtcjpaw
3 Oct 13
Correspondence with SEC
12:00am
UPLOAD
nlk3hm
20 Sep 13
Letter from SEC
12:00am
CORRESP
dfb6kh
31 May 13
Correspondence with SEC
12:00am
CORRESP
7qw8caeo
17 May 13
Correspondence with SEC
12:00am
UPLOAD
zgvsys hgk
9 May 13
Letter from SEC
12:00am
CORRESP
kjobc 8b65vw64un92
6 Mar 13
Correspondence with SEC
12:00am
UPLOAD
pelj0qsakttco
28 Feb 13
Letter from SEC
12:00am
CORRESP
ylmiukt 3mpsrv
25 Jan 13
Correspondence with SEC
12:00am