<SEC-DOCUMENT>0001193125-18-001659-index.html : 20180103 <SEC-HEADER>0001193125-18-001659.hdr.sgml : 20180103 <ACCEPTANCE-DATETIME>20180103160903 ACCESSION NUMBER: 0001193125-18-001659 CONFORMED SUBMISSION TYPE: DEF 14A PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20180207 FILED AS OF DATE: 20180103 DATE AS OF CHANGE: 20180103 EFFECTIVENESS DATE: 20180103 FILER: COMPANY DATA: COMPANY CONFORMED NAME: GEOSPACE TECHNOLOGIES CORP CENTRAL INDEX KEY: 0001001115 STANDARD INDUSTRIAL CLASSIFICATION: MEASURING & CONTROLLING DEVICES, NEC [3829] IRS NUMBER: 760447780 STATE OF INCORPORATION: TX FISCAL YEAR END: 0930 FILING VALUES: FORM TYPE: DEF 14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-13601 FILM NUMBER: 18505304 BUSINESS ADDRESS: STREET 1: 7007 PINEMONT DR. CITY: HOUSTON STATE: TX ZIP: 77040 BUSINESS PHONE: 7139864444 MAIL ADDRESS: STREET 1: 7007 PINEMONT DR. CITY: HOUSTON STATE: TX ZIP: 77040 FORMER COMPANY: FORMER CONFORMED NAME: OYO GEOSPACE CORP DATE OF NAME CHANGE: 19950919 </SEC-HEADER> <DOCUMENT> <TYPE>DEF 14A <SEQUENCE>1 <FILENAME>d504628ddef14a.htm <DESCRIPTION>DEF 14A <TEXT> Document 1 - file: d504628ddef14a.htm
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