DAWSON GEOPHYSICAL CO 4
4 · DAWSON GEOPHYSICAL CO · Filed Jan 3, 2017
Insider Transaction Report
Form 4
Vander Ploeg Mark A
Director
Transactions
- Award
Dawson Geophysical Company-Common Stock $0.01 par value
2016-12-31+1,429→ 28,029 total
4 · DAWSON GEOPHYSICAL CO · Filed Jan 3, 2017
Dawson Geophysical Company-Common Stock $0.01 par value