18 results
8-K
EX-3.1
Dawson Geophysical Co
11 Feb 15
Dawson Geophysical Announces Completion of
12:00am
8-K
EX-3.2
Dawson Geophysical Co
11 Feb 15
Dawson Geophysical Announces Completion of
12:00am
8-K
EX-3.1
Dawson Geophysical Co
30 Nov 12
Departure of Directors or Certain Officers
12:00am
8-K
EX-3.1
Dawson Geophysical Co
21 Mar 11
Form of Voting Agreement
12:00am
425
EX-3.1
DWSN
Dawson Geophysical Company
21 Mar 11
Business combination disclosure
12:00am
8-K
EX-3.1
329ck c6x6vp91tismhg
19 Nov 10
Amendments to Articles of Incorporation or Bylaws
12:00am
8-K
EX-3.1
kvg 5n6z20w97
28 Jul 10
Departure of Directors or Certain Officers
12:00am
8-K
EX-3.1
5cwulc 2l1
9 Jul 09
Entry into a Material Definitive Agreement
12:00am
8-K
EX-3.1
3xbm7oltjhvv
28 Nov 07
Amendments to Articles of Incorporation or Bylaws
12:00am
8-K
EX-3.1
brvw6doll a5fyrz29
6 Aug 07
Departure of Directors or Principal Officers
12:00am
10-K405
EX-3
tt03zsf9f 3m0q6
8 Dec 99
Annual report (delinquent filer disclosure)
12:00am
8-K
EX-3
tg3xe
19 Jul 99
Current report
12:00am
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