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 526-550 of 714 matching filings.

Per page
25
Current page
22
DEFA14A File 001-13601

DEFA14A filing

Filing date
11 Jul 2013
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DEF 14A File 001-13601

DEF 14A

Filing date
14 Jun 2013
Reporting date
16 Jul 2013
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-13601

8-K filing

Filing date
06 Jun 2013
Reporting date
30 May 2013
SEC evidence
Open document Open filing
Next action
Verify source filing
PRE 14A File 001-13601

PRE 14A

Filing date
03 Jun 2013
Reporting date
09 Jul 2013
SEC evidence
Open document Open filing
Next action
Verify source filing
3

3 filing

Filing date
13 May 2013
Reporting date
02 May 2013
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-52075

SC 13G/A filing

Filing date
10 May 2013
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K/A File 001-13601

8-K/A filing

Filing date
06 May 2013
Reporting date
03 May 2013
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-13601

8-K filing

Filing date
03 May 2013
Reporting date
02 May 2013
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-13601

8-K filing

Filing date
27 Feb 2013
Reporting date
22 Feb 2013
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-13601

RESULTS OF 2013 ANNUAL MEETING

Filing date
22 Feb 2013
Reporting date
21 Feb 2013
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-13601

8-K filing

Filing date
21 Feb 2013
Reporting date
21 Feb 2013
SEC evidence
Open document Open filing
Next action
Verify source filing
4

WHEELER EXERCISE OF OPTIONS

Filing date
21 Feb 2013
Reporting date
19 Feb 2013
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-52075

SC 13G/A filing

Filing date
14 Feb 2013
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

G. OWENS OPTION EXERCISE

Filing date
13 Feb 2013
Reporting date
11 Feb 2013
SEC evidence
Open document Open filing
Next action
Verify source filing
4

T. MCENTIRE STOCK OPTION EXERCISE

Filing date
13 Feb 2013
Reporting date
11 Feb 2013
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-52075

SC 13G filing

Filing date
13 Feb 2013
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-13601

8-K filing

Filing date
08 Feb 2013
Reporting date
06 Feb 2013
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-52075

SC 13G/A filing

Filing date
08 Feb 2013
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-13601

8-K filing

Filing date
04 Feb 2013
Reporting date
04 Feb 2013
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFA14A File 001-13601

DEFINITIVE ADDITIONAL MATERIALS

Filing date
04 Feb 2013
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-13601

8-K filing

Filing date
01 Feb 2013
Reporting date
01 Feb 2013
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-52075

SC 13G/A filing

Filing date
29 Jan 2013
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
17 Jan 2013
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .