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 1,024 SEC EDGAR filings since 30 Sep 1997

SEC filing history

Showing 601-625 of 714 matching filings.

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25
Current page
25
424B4 File 333-177964

PRELIMINARY PROSPECTUS SUPPLEMENT

Filing date
13 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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4

SHEEN EXERCISE OF OPTIONS FEB 2 2012

Filing date
03 Feb 2012
Reporting date
03 Feb 2012
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8-K File 001-13601

FIRST QUARTER 2012 EARNINGS

Filing date
02 Feb 2012
Reporting date
02 Feb 2012
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10-Q File 001-13601

FORM 10-Q FOR QUARTERLY PERIOD ENDED DECEMBER 31, 2011

Filing date
02 Feb 2012
Reporting date
31 Dec 2011
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8-K File 001-13601

FORM 8-K

Filing date
30 Jan 2012
Reporting date
27 Jan 2012
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10-K/A File 001-13601

AMENDMENT NO. 1 TO FORM 10-K FOR FISCAL YEAR ENDED SEPTEMBER 30, 2011

Filing date
27 Jan 2012
Reporting date
30 Sep 2011
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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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8-K File 001-13601

TGC ORDER

Filing date
12 Jan 2012
Reporting date
12 Jan 2012
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EFFECT File 333-177964

EFFECT filing

Filing date
09 Dec 2011
Reporting date
Not listed
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8-K File 001-13601

EARNINGS RELEASE; APPOINTMENT OF ADAMS AND WHEELER

Filing date
09 Dec 2011
Reporting date
08 Dec 2011
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8-K File 001-13601

PRESS RELEASE

Filing date
22 Nov 2011
Reporting date
22 Nov 2011
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S-3 File 333-177964

FORM S-3

Filing date
14 Nov 2011
Reporting date
Not listed
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8-K File 001-13601

2011 THIRD QUARTER EARNINGS

Filing date
05 Aug 2011
Reporting date
05 Aug 2011
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10-Q File 001-13601

FORM 10-Q FOR QUARTERLY PERIOD ENDED JUNE 30, 2011

Filing date
05 Aug 2011
Reporting date
30 Jun 2011
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4

MCENTIRE EXERCISE OF OPTIONS

Filing date
14 Jul 2011
Reporting date
13 Jul 2011
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4

SHEEN SALE OF STOCK

Filing date
14 Jul 2011
Reporting date
13 Jul 2011
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4

MCENTIRE EXERCISE OF OPTIONS

Filing date
13 Jul 2011
Reporting date
11 Jul 2011
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4

SHEEN SALE OF STOCK

Filing date
13 Jul 2011
Reporting date
11 Jul 2011
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4

SHEEN SALE OF STOCK

Filing date
11 Jul 2011
Reporting date
07 Jul 2011
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4

4 filing

Filing date
11 Jul 2011
Reporting date
07 Jul 2011
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4

OWENS EXERCISE OF OPTIONS

Filing date
11 Jul 2011
Reporting date
07 Jul 2011
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8-K File 001-13601

PRESS RELEASE RE SALE PRODUCTS

Filing date
07 Jul 2011
Reporting date
07 Jul 2011
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4

MCENTIRE EXERCISE OF OPTIONS

Filing date
07 Jul 2011
Reporting date
05 Jul 2011
SEC evidence
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