NELSON ALAN MARK 4
4 · DAWSON GEOPHYSICAL CO · Filed Jun 3, 2009
Insider Transaction Report
Form 4
NELSON ALAN MARK
Vice President
Transactions
- Exercise/Conversion
Employee Stock Option (right to buy)
2009-06-01−2,000→ 0 totalExercise: $17.91Exp: 2009-11-09→ DWSN-Common Stock $0.33 1/3 par value (2,000 underlying) - Exercise/Conversion
DWSN-Common Stock $0.33 1/3 par value
2009-06-01$17.91/sh+2,000$35,820→ 9,641 total - Sale
DWSN-Common Stock $0.33 1/3 par value
2009-06-01$28.44/sh−2,000$56,881→ 7,641 total
Footnotes (1)
- [F1]The options vested in four equal annual installments on November 9, 2005, 2006, 2007 and 2008.