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 1,021 SEC EDGAR filings since 30 Sep 1997

SEC filing history

Showing 1-25 of 711 matching filings.

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25
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1
SD File 001-13601

FORM SD

Filing date
19 May 2026
Reporting date
Not listed
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SCHEDULE 13G/A File 005-52075

SCHEDULE 13G/A filing

Filing date
15 May 2026
Reporting date
Not listed
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SCHEDULE 13G File 005-52075

SCHEDULE 13G filing

Filing date
29 Apr 2026
Reporting date
Not listed
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SCHEDULE 13G/A File 005-52075

SCHEDULE 13G/A filing

Filing date
26 Mar 2026
Reporting date
Not listed
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SCHEDULE 13G/A File 005-52075

SCHEDULE 13G/A filing

Filing date
17 Feb 2026
Reporting date
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4

FORM 4

Filing date
09 Feb 2026
Reporting date
09 Feb 2026
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4

FORM 4

Filing date
09 Feb 2026
Reporting date
09 Feb 2026
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4

FORM 4

Filing date
09 Feb 2026
Reporting date
09 Feb 2026
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4

FORM 4

Filing date
09 Feb 2026
Reporting date
09 Feb 2026
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4

FORM 4

Filing date
09 Feb 2026
Reporting date
09 Feb 2026
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4

FORM 4

Filing date
09 Feb 2026
Reporting date
09 Feb 2026
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NT 10-Q File 001-13601

FORM NT 10-Q

Filing date
09 Feb 2026
Reporting date
31 Dec 2025
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SCHEDULE 13G File 005-52075

SCHEDULE 13G filing

Filing date
30 Jan 2026
Reporting date
Not listed
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DEF 14A File 001-13601

FORM DEF 14A

Filing date
23 Dec 2025
Reporting date
05 Feb 2026
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DEFA14A File 001-13601

FORM DEFA14A

Filing date
23 Dec 2025
Reporting date
Not listed
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4

FORM 4

Filing date
05 Dec 2025
Reporting date
05 Dec 2025
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4

FORM 4

Filing date
05 Dec 2025
Reporting date
05 Dec 2025
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4

FORM 4

Filing date
05 Dec 2025
Reporting date
05 Dec 2025
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4/A

FORM 4/A

Filing date
05 Dec 2025
Reporting date
20 Nov 2025
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