<SEC-DOCUMENT>0001398344-17-001696-index.html : 20170209 <SEC-HEADER>0001398344-17-001696.hdr.sgml : 20170209 <ACCEPTANCE-DATETIME>20170209145648 ACCESSION NUMBER: 0001398344-17-001696 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20170209 DATE AS OF CHANGE: 20170209 SUBJECT COMPANY: 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: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-52075 FILM NUMBER: 17587116 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 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: BROWN CAPITAL MANAGEMENT LLC CENTRAL INDEX KEY: 0000885062 IRS NUMBER: 521304372 STATE OF INCORPORATION: MD FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 1201 N CALVERT ST CITY: BALTIMORE STATE: MD ZIP: 21201 BUSINESS PHONE: 4108373234 MAIL ADDRESS: STREET 1: 1201 N CALVERT STREET CITY: BALTIMORE STATE: MD ZIP: 21202 FORMER COMPANY: FORMER CONFORMED NAME: BROWN CAPITAL MANAGEMENT INC DATE OF NAME CHANGE: 19990325 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>fp0023842_sc13ga.htm <TEXT> Document 1 - file: fp0023842_sc13ga.htm
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