GEOSPACE TECHNOLOGIES CORP reports

Company location: Houston, TX
Fiscal year end: 30 September

GEOSPACE TECHNOLOGIES CORP has filed 1,024 SEC EDGAR filings since 30 Sep 1997

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SEC filing history

Showing 376-400 of 714 matching filings.

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FORM 4 SUBMISSION

Filing date: 10 Feb 2017
Reporting date: 09 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 10 Feb 2017
Reporting date: 09 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 10 Feb 2017
Reporting date: 09 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 10 Feb 2017
Reporting date: 09 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 10 Feb 2017
Reporting date: 09 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 10 Feb 2017
Reporting date: 09 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 10 Feb 2017
Reporting date: 09 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-13601

8-K

Filing date: 10 Feb 2017
Reporting date: 09 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-52075

SC 13G/A filing

Filing date: 09 Feb 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-13601

10-Q

Filing date: 09 Feb 2017
Reporting date: 31 Dec 2016
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-13601

8-K

Filing date: 08 Feb 2017
Reporting date: 08 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-13601

FORM 8-K

Filing date: 30 Jan 2017
Reporting date: 27 Jan 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-52075

SC 13G/A filing

Filing date: 12 Jan 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-52075

SC 13G/A filing

Filing date: 11 Jan 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 001-13601

DEF 14A

Filing date: 28 Dec 2016
Reporting date: 09 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 18 Nov 2016
Reporting date: 16 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 18 Nov 2016
Reporting date: 16 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 18 Nov 2016
Reporting date: 16 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 18 Nov 2016
Reporting date: 16 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-13601

8-K

Filing date: 17 Nov 2016
Reporting date: 16 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 001-13601

10-K

Filing date: 17 Nov 2016
Reporting date: 30 Sep 2016
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-13601

FORM 8-K

Filing date: 08 Nov 2016
Reporting date: 07 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-52075

SC 13G/A filing

Filing date: 09 Sep 2016
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-13601

10-Q

Filing date: 05 Aug 2016
Reporting date: 30 Jun 2016
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-13601

FORM 8-K

Filing date: 05 Aug 2016
Reporting date: 04 Aug 2016
SEC evidence: Open document Open filing
Next action: Verify source filing