0001104659-19-052289.txt : 20191001 0001104659-19-052289.hdr.sgml : 20191001 20191001165612 ACCESSION NUMBER: 0001104659-19-052289 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190930 FILED AS OF DATE: 20191001 DATE AS OF CHANGE: 20191001 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Klofas Michael L CENTRAL INDEX KEY: 0001676043 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32472 FILM NUMBER: 191129730 MAIL ADDRESS: STREET 1: 64 WINDHAM DRIVE CITY: EAST LONGMEADOW STATE: MA ZIP: 01028 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: DAWSON GEOPHYSICAL CO CENTRAL INDEX KEY: 0000799165 STANDARD INDUSTRIAL CLASSIFICATION: OIL AND GAS FIELD EXPLORATION SERVICES [1382] IRS NUMBER: 742095844 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 508 WEST WALL STREET 2: SUITE 800 CITY: MIDLAND STATE: TX ZIP: 79701 BUSINESS PHONE: 4326843000 MAIL ADDRESS: STREET 1: 508 WEST WALL STREET 2: SUITE 800 CITY: MIDLAND STATE: TX ZIP: 79701 FORMER COMPANY: FORMER CONFORMED NAME: TGC INDUSTRIES INC DATE OF NAME CHANGE: 19920703 4 1 a4.xml 4 X0306 4 2019-09-30 0 0000799165 DAWSON GEOPHYSICAL CO DWSN 0001676043 Klofas Michael L 64 WINDHAM DRIVE EAST LONGMEADOW MA 01028 1 0 0 0 Dawson Geophysical Company-Common Stock $0.01 par value 2019-09-30 4 A 0 5715 0 A 29079 D Michael L Klofas 2019-10-01