Vander Ploeg Mark A 4
4 · DAWSON GEOPHYSICAL CO · Filed Oct 1, 2021
Insider Transaction Report
Form 4
Vander Ploeg Mark A
Director
Transactions
- Award
Dawson Geophysical Company-Common Stock $0.01 par value
2021-09-30+2,988→ 31,099 total
Holdings
- 36,792(indirect: By Trust)
Dawson Geophysical Company-Common Stock $0.01 par value
Footnotes (1)
- [F1]Held through the Hermosa Trust, of which the insider and his wife are trustees and beneficiaries.