|4Jan 3, 12:39 PM ET

Vander Ploeg Mark A 4

4 · DAWSON GEOPHYSICAL CO · Filed Jan 3, 2019

Insider Transaction Report

Form 4
Period: 2018-12-31
Transactions
  • Award

    Dawson Geophysical Company-Common Stock $0.01 par value

    2018-12-31+3,84840,640 total

Documents

1 file
  • 4
    a4.xmlPrimary

    4