271 filings
Page 5 of 14
4
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1 Oct 19
DAWSON GEOPHYSICAL / Ted R North ownership change
4:54pm
4
uae6md
1 Oct 19
DAWSON GEOPHYSICAL / Ploeg Mark A Vander ownership change
4:53pm
SC 13G
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9 Sep 19
Dawson Geophysical Co
1:55pm
SC 13G/A
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10 Jul 19
Dawson Geophysical Co
4:25pm
4
m37ds jtk7f4su
1 Jul 19
DAWSON GEOPHYSICAL / Ploeg Mark A Vander ownership change
4:42pm
4
qrbfwvdc
1 Jul 19
DAWSON GEOPHYSICAL / Ted R North ownership change
4:42pm
4
qyzpfn
1 Jul 19
DAWSON GEOPHYSICAL / Michael L Klofas ownership change
4:41pm
4
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1 Jul 19
DAWSON GEOPHYSICAL / GARY M HOOVER ownership change
4:41pm
4
dsekrjz7bqgxge61cn
1 Jul 19
DAWSON GEOPHYSICAL / CRAIG W COOPER ownership change
4:41pm
4
4so78h8c8ijaaf
1 Jul 19
DAWSON GEOPHYSICAL / WILLIAM J BARRETT ownership change
4:40pm
4
uk9le8vm391wvcntdm9
31 May 19
DAWSON GEOPHYSICAL / WAYNE A WHITENER ownership change
11:08am
4
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2 Apr 19
DAWSON GEOPHYSICAL / Ploeg Mark A Vander ownership change
1:57pm
4
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2 Apr 19
DAWSON GEOPHYSICAL / Ted R North ownership change
1:56pm
4
2a8rd1
2 Apr 19
DAWSON GEOPHYSICAL / Michael L Klofas ownership change
1:56pm
4
p3nep s4j
2 Apr 19
DAWSON GEOPHYSICAL / GARY M HOOVER ownership change
1:56pm
4
wfb ij3yl7lt9
2 Apr 19
DAWSON GEOPHYSICAL / CRAIG W COOPER ownership change
1:55pm
4
hunmxyhw d8
2 Apr 19
DAWSON GEOPHYSICAL / WILLIAM J BARRETT ownership change
1:55pm
4
djjb4aqezeb
13 Mar 19
DAWSON GEOPHYSICAL / James W Thomas ownership change
4:30pm
4
iex4amvf u5mx8
19 Feb 19
DAWSON GEOPHYSICAL / WAYNE A WHITENER ownership change
12:45pm
4
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19 Feb 19
DAWSON GEOPHYSICAL / C RAY TOBIAS ownership change
12:44pm