SEC Form 4: Vander Ploeg Mark A was granted 2,988 units of Dawson Geophysical Company-Common Stock $0.01 par value, increasing direct ownership by 11% to 31,099 units

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DWSN· Dawson Geophysical Company

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SEC Form 4: Vander Ploeg Mark A was granted 2,988 units of Dawson Geophysical Company-Common Stock $0.01 par value, increasing direct ownership by 11% to 31,099 units | Quantisnow