DAWSON GEOPHYSICAL CO 4
4 · DAWSON GEOPHYSICAL CO · Filed Jul 5, 2017
Insider Transaction Report
Form 4
Vander Ploeg Mark A
Director
Transactions
- Award
Dawson Geophysical Company-Common Stock $0.01 par value
2017-06-30+2,946→ 24,687 total
4 · DAWSON GEOPHYSICAL CO · Filed Jul 5, 2017
Dawson Geophysical Company-Common Stock $0.01 par value