Live feed10:12:42·1806dINSIDERFilingvia QuantisnowSEC Form 4: Vander Ploeg Mark A was granted 2,830 units of Dawson Geophysical Company-Common Stock $0.01 par value, increasing direct ownership by 11% to 28,111 unitsByQuantisnow·Wall Street's wire, on your screen.DWSN· Dawson Geophysical CompanyEnergyOriginal source