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Acq. announced
DAWSON OPERATING CO (DWSN) Create: Alert

All | News | Filings
Date FiledTypeDescription
02/09/2017 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/11/2016 SC 13G/A PARADIGM CAPITAL MANAGEMENT INC reports a 0% stake in Dawson Geophysical Company
02/11/2013 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
02/13/2012 SC 13G/A DAWSON GEOPHYSICAL CO reports a 7% stake in DAWSON GEOPHYSICAL CO
02/13/2012 SC 13G/A DAWSON GEOPHYSICAL CO reports a 5.6% stake in DAWSON GEOPHYSICAL CO
01/11/2012 SC 13G/A DAWSON GEOPHYSICAL CO reports a 5.2% stake in Dawson Geophysical Co.
02/11/2011 SC 13G/A DAWSON GEOPHYSICAL CO reports a 6.6% stake in DAWSON GEOPHYSICAL CO
02/04/2011 SC 13G/A DAWSON GEOPHYSICAL CO reports a 6.2% stake in DAWSON GEOPHYSICAL CO
01/12/2011 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
08/17/2007 SC 13G/A BEDDOW CAPITAL MANAGEMENT INC reports a 4.8% stake in DAWSON GEOPHYSICAL COMPANY
03/01/2007 SC 13G/A DAWSON L DECKER reports a 1.4% stake in Dawson Geophysical Company
12/27/2006 SC 13G/A BJURMAN BARRY & ASSOCIATES reports a 0% stake in Dawson Geophysical Company
12/26/2006 SC 13G/A BJURMAN BARRY & ASSOCIATES reports a 5.6% stake in Dawson Geophysical Company
06/12/2006 SC 13G/A FMR CORP reports a 1.8% stake in Dawson Geophysical Company
03/10/2006 SC 13G/A FMR CORP reports a 10.3% stake in Dawson Geophysical Company
02/09/2006 SC 13G/A ROYCE & ASSOCIATES LLC reports a 3.2% stake in Dawson Geophysical Co.
10/11/2005 SC 13G/A GILDER GAGNON HOWE & CO LLC reports a 3.8% stake in DAWSON GEOPHYSICAL COMPANY
02/10/2005 SC 13G/A ATHENA CAPITAL MANAGEMENT INC reports a 3% stake in DAWSON GEOPHYSICAL COMPANY
02/09/2005 SC 13G/A QUAKER CAPITAL MANAGEMENT CORP reports a 0% stake in DAWSON GEOPHYSICAL COMPANY
02/09/2005 SC 13G/A DIMENSIONAL FUND ADVISORS INC reports a 4.5% stake in DAWSON GEOPHYSICAL CO
04/28/2004 SC 13G/A GRACE & WHITE INC reports a 4.8% stake in DAWSON GEOPHYSICAL CO.
02/13/2004 SC 13G/A QUAKER CAPITAL MANAGEMENT CORP reports a 8% stake in DAWSON GEOPHYSICAL COMPANY
02/12/2004 SC 13G/A WELLINGTON TRUST COMPANY N A reports a 1.5% stake in Dawson Geophysical Company
02/12/2004 SC 13G/A WELLINGTON MANAGEMENT CO LLP reports a 4.5% stake in Dawson Geophysical Company
02/09/2004 SC 13G/A BEDDOW CAPITAL MANAGEMENT INC reports a 10.3% stake in DAWSON GEOPHYSICAL COMPANY
02/06/2004 SC 13G/A DIMENSIONAL FUND ADVISORS INC reports a 5.3% stake in * DAWSON GEOPHYSICAL C
01/27/2004 SC 13G/A GRACE & WHITE INC reports a 5.8% stake in DAWSON GEOPHYSICAL CO.
02/14/2003 SC 13G/A QUAKER CAPITAL MANAGEMENT CORP reports a 9.4% stake in DAWSON GEOPHYSICAL COMPANY
02/12/2003 SC 13G/A WELLINGTON TRUST COMPANY N A reports a 6.8% stake in DAWSON GEOPHYSICAL COMPANY
02/12/2003 SC 13G/A WELLINGTON MANAGEMENT CO LLP reports a 9.9% stake in DAWSON GEOPHYSICAL COMPANY
02/10/2003 SC 13G/A DIMENSIONAL FUND ADVISORS INC reports a 6.1% stake in * DAWSON GEOPHYSICAL CO
02/14/2002 SC 13G/A QUAKER CAPITAL MANAGEMENT CORP reports a 9.7% stake in DAWSON GEOPHYSICAL COMPANY
02/12/2002 SC 13G/A WELLINGTON MANAGEMENT CO LLP reports a 9.9% stake in DAWSON GEOPHYSICAL COMPANY
02/12/2002 SC 13G/A DIMENSIONAL FUND ADVISORS INC has filed a Schedule 13D for DAWSON GEOPHYSICAL C

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