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 226-250 of 714 matching filings.

Per page
25
Current page
10
SC 13G/A File 005-52075

SC 13G/A filing

Filing date
09 Sep 2020
Reporting date
Not listed
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SC 13D/A File 005-52075

AMENDMENT NO. 1 TO THE SCHEDULE 13D

Filing date
26 Aug 2020
Reporting date
Not listed
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8-K File 001-13601

8-K

Filing date
07 Aug 2020
Reporting date
06 Aug 2020
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8-K File 001-13601

8-K

Filing date
22 Jul 2020
Reporting date
22 Jul 2020
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SC 13D/A File 005-52075

SC 13D/A filing

Filing date
15 Jul 2020
Reporting date
Not listed
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SC 13G/A File 005-52075

SC 13G/A filing

Filing date
10 Jul 2020
Reporting date
Not listed
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8-K File 001-13601

8-K

Filing date
02 Jul 2020
Reporting date
30 Jun 2020
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8-K File 001-13601

8-K

Filing date
28 May 2020
Reporting date
26 May 2020
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SC 13D File 005-52075

SCHEDULE 13D DATED MAY 26, 2020

Filing date
27 May 2020
Reporting date
Not listed
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SC 13G File 005-52075

MAY 18, 2020

Filing date
18 May 2020
Reporting date
Not listed
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SD File 001-13601

SD

Filing date
18 May 2020
Reporting date
Not listed
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4

FORM 4 SUBMISSION

Filing date
15 May 2020
Reporting date
14 May 2020
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4

FORM 4 SUBMISSION

Filing date
14 May 2020
Reporting date
13 May 2020
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4

FORM 4 SUBMISSION

Filing date
14 May 2020
Reporting date
13 May 2020
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4

FORM 4 SUBMISSION

Filing date
13 May 2020
Reporting date
12 May 2020
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8-K File 001-13601

8-K

Filing date
08 May 2020
Reporting date
07 May 2020
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10-Q File 001-13601

GEOS-10Q-2019-03-31

Filing date
08 May 2020
Reporting date
31 Mar 2020
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8-K File 001-13601

8-K

Filing date
24 Apr 2020
Reporting date
23 Apr 2020
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4

FORM 4 SUBMISSION

Filing date
06 Apr 2020
Reporting date
06 Apr 2020
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SC 13D File 005-52075

SC 13D

Filing date
18 Feb 2020
Reporting date
Not listed
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SC 13G/A File 005-52075

SCHEDULE 13G/A

Filing date
12 Feb 2020
Reporting date
Not listed
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