GEOSPACE TECHNOLOGIES CORP reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Houston, TX
SEC filing record 1 source field available
Fiscal year end
30 September
GEOSPACE TECHNOLOGIES CORP has filed 1,025 SEC EDGAR filings since 30 Sep 1997

SEC filing history

Showing 76-83 of 83 matching filings.

Per page
25
Current page
4
SC 13G/A File 005-52075

SC 13G/A filing

Filing date
29 Jan 2013
Reporting date
Not listed
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SC 13G File 005-52075

SC 13G filing

Filing date
10 Jul 2012
Reporting date
Not listed
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SC 13G/A File 005-52075

SCHEDULE 13G AMENDMENT NO. 10

Filing date
24 Feb 2012
Reporting date
Not listed
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SC 13G File 005-52075

SC 13G filing

Filing date
09 Feb 2012
Reporting date
Not listed
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SC 13G/A File 005-52075

SC 13G/A filing

Filing date
25 Jan 2012
Reporting date
Not listed
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SC 13G/A File 005-52075

SC 13G/A filing

Filing date
27 Jan 2011
Reporting date
Not listed
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SC 13G File 005-52075

SC 13G filing

Filing date
26 Feb 2010
Reporting date
Not listed
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SC 13G/A File 005-52075

SC 13G/A filing

Filing date
26 Jan 2010
Reporting date
Not listed
SEC evidence
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