THOMPSON TIM C 4
4 · DAWSON GEOPHYSICAL CO · Filed Aug 24, 2012
Insider Transaction Report
Form 4
THOMPSON TIM C
Director
Transactions
- Sale
DWSN-Common Stock $0.33 1/3 par value
2012-08-23$21.98/sh−1,000$21,983→ 8,921 total
4 · DAWSON GEOPHYSICAL CO · Filed Aug 24, 2012
DWSN-Common Stock $0.33 1/3 par value