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 326-350 of 714 matching filings.

Per page
25
Current page
14
SD File 001-13601

SD

Filing date
22 May 2018
Reporting date
Not listed
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SC 13D/A File 005-52075

SC 13D/A filing

Filing date
15 May 2018
Reporting date
Not listed
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10-Q File 001-13601

10-Q-20180331

Filing date
04 May 2018
Reporting date
31 Mar 2018
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8-K File 001-13601

8-K

Filing date
04 May 2018
Reporting date
03 May 2018
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8-K File 001-13601

8-K

Filing date
24 Apr 2018
Reporting date
24 Apr 2018
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SC 13G File 005-52075

APRIL 23, 2018

Filing date
23 Apr 2018
Reporting date
Not listed
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SC 13D File 005-52075

SC 13D FILING STATEMENT

Filing date
03 Apr 2018
Reporting date
Not listed
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8-K File 001-13601

8-K

Filing date
01 Mar 2018
Reporting date
27 Feb 2018
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SC 13G/A File 005-52075

SC 13G/A filing

Filing date
15 Feb 2018
Reporting date
Not listed
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SC 13G/A File 005-52075

SC 13G/A filing

Filing date
14 Feb 2018
Reporting date
Not listed
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SC 13G/A File 005-52075

SC 13G/A filing

Filing date
13 Feb 2018
Reporting date
Not listed
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8-K File 001-13601

FORM 8-K

Filing date
12 Feb 2018
Reporting date
07 Feb 2018
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4

FORM 4 SUBMISSION

Filing date
08 Feb 2018
Reporting date
07 Feb 2018
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4

FORM 4 SUBMISSION

Filing date
08 Feb 2018
Reporting date
07 Feb 2018
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4

FORM 4 SUBMISSION

Filing date
08 Feb 2018
Reporting date
07 Feb 2018
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4

FORM 4 SUBMISSION

Filing date
08 Feb 2018
Reporting date
07 Feb 2018
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4

FORM 4 SUBMISSION

Filing date
08 Feb 2018
Reporting date
07 Feb 2018
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4

FORM 4 SUBMISSION

Filing date
08 Feb 2018
Reporting date
07 Feb 2018
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4

FORM 4 SUBMISSION

Filing date
08 Feb 2018
Reporting date
07 Feb 2018
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SC 13G File 005-52075

SC 13G filing

Filing date
08 Feb 2018
Reporting date
Not listed
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8-K File 001-13601

8-K

Filing date
08 Feb 2018
Reporting date
07 Feb 2018
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8-K File 001-13601

8-K

Filing date
07 Feb 2018
Reporting date
06 Feb 2018
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8-K File 001-13601

8-K

Filing date
30 Jan 2018
Reporting date
29 Jan 2018
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SC 13G/A File 005-52075

SC 13G/A filing

Filing date
19 Jan 2018
Reporting date
Not listed
SEC evidence
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