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 26-50 of 69 matching filings.

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25
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2
SC 13G/A File 005-37717

SC 13G/A filing

Filing date
08 Feb 2019
Reporting date
Not listed
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SC 13G/A File 005-37717

SCHEDULE 13G/A

Filing date
08 Feb 2019
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SC 13G File 005-37717

SC 13G filing

Filing date
08 Feb 2019
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Not listed
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SC 13G File 005-37717

GRACE & WHITE ,INC, 13G DWSN 12/31/18

Filing date
25 Jan 2019
Reporting date
Not listed
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SC 13G/A File 005-37717

SC 13G/A filing

Filing date
14 Feb 2018
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SC 13G/A File 005-37717

SCHEDULE 13G/A

Filing date
09 Feb 2018
Reporting date
Not listed
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SC 13G/A File 005-37717

SC 13G/A filing

Filing date
01 Feb 2018
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SC 13G/A File 005-37717

SC 13G/A filing

Filing date
10 Jul 2017
Reporting date
Not listed
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SC 13G File 005-37717

13G

Filing date
14 Feb 2017
Reporting date
Not listed
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SC 13G File 005-37717

SCHEDULE 13G

Filing date
09 Feb 2017
Reporting date
Not listed
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SC 13G/A File 005-37717

SC 13G/A filing

Filing date
23 Jan 2017
Reporting date
Not listed
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SC 13G/A File 005-37717

DWSN 13G GWI

Filing date
02 Aug 2016
Reporting date
Not listed
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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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SC 13G/A File 005-37717

SC 13G/A filing

Filing date
10 Mar 2015
Reporting date
Not listed
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SC 13G File 005-37717

SC 13G

Filing date
17 Feb 2015
Reporting date
Not listed
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SC 13G/A File 005-37717

SC 13G/A filing

Filing date
12 Feb 2015
Reporting date
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SC 13G File 005-37717

ROBECO INVESTMENT MANAGEMENT INC.

Filing date
11 Feb 2015
Reporting date
Not listed
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SC 13G/A File 005-37717

SCHEDULE 13G HOLDINGS REPORT AMENDMENT

Filing date
06 Feb 2015
Reporting date
Not listed
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SC 13G/A File 005-37717

SC 13G/A filing

Filing date
02 Feb 2015
Reporting date
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SC 13G/A File 005-37717

SC 13G/A filing

Filing date
28 Jan 2015
Reporting date
Not listed
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