<SEC-DOCUMENT>0001104659-22-004632-index.html : 20220118 <SEC-HEADER>0001104659-22-004632.hdr.sgml : 20220118 <ACCEPTANCE-DATETIME>20220118063025 ACCESSION NUMBER: 0001104659-22-004632 CONFORMED SUBMISSION TYPE: SC 14D9/A PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 20220118 DATE AS OF CHANGE: 20220118 SUBJECT COMPANY: 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 FILING VALUES: FORM TYPE: SC 14D9/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-37717 FILM NUMBER: 22533562 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 FILED BY: 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 FILING VALUES: FORM TYPE: SC 14D9/A 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 </SEC-HEADER> <DOCUMENT> <TYPE>SC 14D9/A <SEQUENCE>1 <FILENAME>tm222433d4_sc14d9a.htm <DESCRIPTION>SC 14D9/A <TEXT> Document 1 - file: tm222433d4_sc14d9a.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.(A)(11) <SEQUENCE>2 <FILENAME>tm222433d4_ex99a11.htm <DESCRIPTION>EXHIBIT 99.(A)(11) <TEXT> Document 2 - file: tm222433d4_ex99a11.htm
</DOCUMENT> </SEC-DOCUMENT>