NELSON ALAN MARK 4
4 · DAWSON GEOPHYSICAL CO · Filed Oct 5, 2009
Insider Transaction Report
Form 4
NELSON ALAN MARK
Vice President
Transactions
- Tax Payment
DWSN-Common Stock, par value $0.33 1/3 per share
2009-10-04$25.99/sh−3,000$77,970→ 4,641 total