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 826-850 of 884 matching filings.

Per page
25
Current page
34
8-K File 001-12691

FORM 8-K

Filing date
22 Nov 2010
Reporting date
16 Nov 2010
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4

FORM 4 SUBMISSION

Filing date
22 Nov 2010
Reporting date
19 Nov 2010
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4

FORM 4 SUBMISSION

Filing date
18 Nov 2010
Reporting date
16 Nov 2010
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8-K File 001-12691

FORM 8-K

Filing date
16 Nov 2010
Reporting date
15 Nov 2010
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4

FORM 4 SUBMISSION

Filing date
12 Nov 2010
Reporting date
11 Nov 2010
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4

FORM 4 SUBMISSION

Filing date
12 Nov 2010
Reporting date
09 Nov 2010
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4

FORM 4 SUBMISSION

Filing date
09 Nov 2010
Reporting date
09 Nov 2010
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8-K File 001-12691

FORM 8-K

Filing date
08 Nov 2010
Reporting date
05 Nov 2010
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8-K File 001-12691

FORM 8-K

Filing date
04 Nov 2010
Reporting date
04 Nov 2010
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10-Q File 001-12691

FORM 10-Q

Filing date
04 Nov 2010
Reporting date
30 Sep 2010
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8-K File 001-12691

FORM 8-K

Filing date
04 Nov 2010
Reporting date
03 Nov 2010
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8-K File 001-12691

FORM 8-K

Filing date
05 Oct 2010
Reporting date
05 Oct 2010
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8-K File 001-12691

FORM 8-K

Filing date
13 Sep 2010
Reporting date
13 Sep 2010
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10-Q File 001-12691

FORM 10-Q

Filing date
05 Aug 2010
Reporting date
30 Jun 2010
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8-K File 001-12691

FORM 8-K

Filing date
04 Aug 2010
Reporting date
04 Aug 2010
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EFFECT File 333-166200

EFFECT filing

Filing date
15 Jul 2010
Reporting date
Not listed
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424B3 File 333-166200

424B3

Filing date
15 Jul 2010
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
14 Jul 2010
Reporting date
Not listed
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UPLOAD

UPLOAD filing

Filing date
14 Jul 2010
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
13 Jul 2010
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
09 Jul 2010
Reporting date
Not listed
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S-3/A File 333-166200

FORM S-3/A

Filing date
09 Jul 2010
Reporting date
Not listed
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10-K/A File 001-12691

FORM 10-K/A

Filing date
09 Jul 2010
Reporting date
31 Dec 2009
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S-8 File 333-167943

FORM S-8

Filing date
01 Jul 2010
Reporting date
Not listed
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UPLOAD

UPLOAD filing

Filing date
25 Jun 2010
Reporting date
Not listed
SEC evidence
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