THOMPSON TIM C 4
4 · DAWSON GEOPHYSICAL CO · Filed Aug 30, 2010
Insider Transaction Report
Form 4
THOMPSON TIM C
Director
Transactions
- Sale
Dawson Geophysical Company-Common Stock $0.33 1/3 par value
2010-08-27$23.98/sh−100$2,398→ 7,628 total - Sale
Dawson Geophysical Company-Common Stock $0.33 1/3 par value
2010-08-27$23.90/sh−1,700$40,630→ 7,928 total - Sale
Dawson Geophysical Company-Common Stock $0.33 1/3 par value
2010-08-27$23.97/sh−200$4,794→ 7,728 total