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Winn Daniel G
Vice President at DAWSON GEOPHYSICAL. Filing since 8 Aug 2007.
CIK 0001302641
Company
Date
Role
Action
Shares
Amount
Of holding
DWSN
DAWSON GEOPHYSICAL CO
27 May 2009
Vice President
Sold, plan not stated
5,250
$26.25K
15.1%
DWSN
DAWSON GEOPHYSICAL CO
21 Nov 2008
Vice President
Bought
5,000
$5.45K
17.8%
DWSN
DAWSON GEOPHYSICAL CO
8 Aug 2007
Vice President
Sold, plan not stated
4,757
$48.66K
15.1%
3 decisions on file.
