NELSON ALAN MARK 4
4 · DAWSON GEOPHYSICAL CO · Filed Jan 5, 2006
Insider Transaction Report
Form 4
NELSON ALAN MARK
Vice President
Transactions
- Exercise/Conversion
Dawson Geophysical Company-common stock $0.33 1/3 par value
2006-01-04$8.65/sh+1,250$10,813→ 12,891 total - Sale
Dawson Geophysical Company-common stock $0.33 1/3 par value
2006-01-04$31.50/sh−1,250$39,375→ 11,641 total