X0306 4 2018-05-30 0 0000799165 DAWSON GEOPHYSICAL CO DWSN 0001437972 Brata James Kevin 101 E PARK BLVD STE 955 PLANO TX 75074 0 1 0 0 EVP, Chief Financial Officer Dawson Geophysical Company-Common Stock $0.01 par value 2018-05-30 4 A 0 21000 7.095 A 75303 D On May 29, 2018, the Company paid a 5% stock dividend (or 0.05 share for each share outstanding) on the outstanding shares of common stock of the Company, par value $0.01 per share. The amount of securities beneficially owned referenced within this Form 4 has been adjusted for the 5% stock dividend. James K. Brata 2018-06-01