DAWSON GEOPHYSICAL CO reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Midland, TX
SEC filing record 1 source field available
Fiscal year end
31 December
DAWSON GEOPHYSICAL CO has filed 1,145 SEC EDGAR filings since 13 Nov 1995

SEC filing history

Showing 451-475 of 765 matching filings.

Per page
25
Current page
19
8-K File 001-32472

CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES

Filing date
19 Feb 2016
Reporting date
15 Feb 2016
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SC 13G/A File 005-37717

ROBECO INVESTMENT MANAGEMENT INC.

Filing date
11 Feb 2016
Reporting date
Not listed
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SC 13G File 005-37717

SCHEDULE 13G

Filing date
09 Feb 2016
Reporting date
Not listed
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SC 13G/A File 005-37717

SC 13G/A filing

Filing date
04 Feb 2016
Reporting date
Not listed
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SC 13G File 005-37717

SC 13G filing

Filing date
28 Jan 2016
Reporting date
Not listed
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SC 13G/A File 005-37717

SC 13G/A filing

Filing date
21 Jan 2016
Reporting date
Not listed
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SC 13G/A File 005-37717

SC 13G/A filing

Filing date
04 Dec 2015
Reporting date
Not listed
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3

PRIMARY DOCUMENT

Filing date
04 Dec 2015
Reporting date
27 Nov 2015
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4/A

4/A

Filing date
03 Dec 2015
Reporting date
01 Dec 2015
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4/A

4/A

Filing date
03 Dec 2015
Reporting date
01 Dec 2015
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4/A

4/A

Filing date
03 Dec 2015
Reporting date
01 Dec 2015
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4/A

4/A

Filing date
03 Dec 2015
Reporting date
01 Dec 2015
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4

4

Filing date
03 Dec 2015
Reporting date
01 Dec 2015
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4

4

Filing date
03 Dec 2015
Reporting date
01 Dec 2015
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4

4

Filing date
02 Dec 2015
Reporting date
01 Dec 2015
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4

4

Filing date
02 Dec 2015
Reporting date
01 Dec 2015
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4

4

Filing date
02 Dec 2015
Reporting date
01 Dec 2015
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4

4

Filing date
02 Dec 2015
Reporting date
01 Dec 2015
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10-Q File 001-32472

QUARTERLY REPORT PURSUANT TO SECTIONS 13 OR 15(D)

Filing date
06 Nov 2015
Reporting date
30 Sep 2015
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8-K File 001-32472

CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES

Filing date
05 Nov 2015
Reporting date
05 Nov 2015
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8-K File 001-32472

CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES

Filing date
29 Oct 2015
Reporting date
29 Oct 2015
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8-K File 001-32472

CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES

Filing date
23 Sep 2015
Reporting date
23 Sep 2015
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10-Q File 001-32472

QUARTERLY REPORT PURSUANT TO SECTIONS 13 OR 15(D)

Filing date
07 Aug 2015
Reporting date
30 Jun 2015
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8-K File 001-32472

CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES

Filing date
07 Aug 2015
Reporting date
07 Aug 2015
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8-K File 001-32472

CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES

Filing date
31 Jul 2015
Reporting date
31 Jul 2015
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