ION GEOPHYSICAL 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
31 December
ION GEOPHYSICAL CORP has filed 1,582 SEC EDGAR filings since 14 Feb 1994

SEC filing history

Showing 151-175 of 203 matching filings.

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7
8-K File 001-12691

8-K

Filing date
18 Mar 2013
Reporting date
18 Mar 2013
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8-K File 001-12691

8-K

Filing date
14 Feb 2013
Reporting date
11 Feb 2013
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8-K File 001-12691

8-K

Filing date
04 Jan 2013
Reporting date
31 Dec 2012
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8-K File 001-12691

FORM 8-K

Filing date
03 Dec 2012
Reporting date
01 Dec 2012
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8-K File 001-12691

FORM 8-K

Filing date
09 Nov 2012
Reporting date
07 Nov 2012
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8-K File 001-12691

8-K

Filing date
06 Nov 2012
Reporting date
06 Nov 2012
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8-K File 001-12691

FORM 8-K

Filing date
11 Sep 2012
Reporting date
11 Sep 2012
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8-K File 001-12691

FORM 8-K

Filing date
20 Aug 2012
Reporting date
20 Aug 2012
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8-K File 001-12691

FORM 8-K

Filing date
17 Aug 2012
Reporting date
16 Aug 2012
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8-K File 001-12691

FORM 8-K

Filing date
08 Aug 2012
Reporting date
07 Aug 2012
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8-K File 001-12691

FORM 8-K

Filing date
30 May 2012
Reporting date
29 May 2012
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8-K File 001-12691

FORM 8-K

Filing date
23 May 2012
Reporting date
23 May 2012
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8-K File 001-12691

FORM 8-K

Filing date
03 May 2012
Reporting date
02 May 2012
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8-K File 001-12691

FORM 8-K

Filing date
13 Mar 2012
Reporting date
13 Mar 2012
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8-K File 001-12691

FORM 8-K

Filing date
09 Mar 2012
Reporting date
09 Mar 2012
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8-K File 001-12691

FORM 8-K

Filing date
16 Feb 2012
Reporting date
15 Feb 2012
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8-K File 001-12691

FORM 8-K

Filing date
13 Feb 2012
Reporting date
10 Feb 2012
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8-K File 001-12691

FORM 8-K

Filing date
03 Jan 2012
Reporting date
01 Jan 2012
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8-K File 001-12691

FORM 8-K

Filing date
07 Dec 2011
Reporting date
05 Dec 2011
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8-K File 001-12691

FORM 8-K

Filing date
01 Dec 2011
Reporting date
28 Nov 2011
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8-K File 001-12691

FORM 8-K

Filing date
14 Nov 2011
Reporting date
14 Nov 2011
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8-K File 001-12691

FORM 8-K

Filing date
02 Nov 2011
Reporting date
02 Nov 2011
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8-K File 001-12691

FORM 8-K

Filing date
04 Oct 2011
Reporting date
04 Oct 2011
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8-K File 001-12691

FORM 8-K

Filing date
02 Sep 2011
Reporting date
30 Aug 2011
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8-K File 001-12691

FORM 8-K

Filing date
03 Aug 2011
Reporting date
02 Aug 2011
SEC evidence
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