Vander Ploeg Mark A 4
4 · DAWSON GEOPHYSICAL CO · Filed Oct 3, 2017
Insider Transaction Report
Form 4
Vander Ploeg Mark A
Director
Transactions
- Award
Dawson Geophysical Company-Common Stock $0.01 par value
2017-09-30+2,600→ 27,287 total
4 · DAWSON GEOPHYSICAL CO · Filed Oct 3, 2017
Dawson Geophysical Company-Common Stock $0.01 par value