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 576-600 of 884 matching filings.

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25
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24
4

FORM 4 SUBMISSION

Filing date
04 Mar 2014
Reporting date
01 Mar 2014
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4

FORM 4 SUBMISSION

Filing date
04 Mar 2014
Reporting date
01 Mar 2014
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4

FORM 4 SUBMISSION

Filing date
04 Mar 2014
Reporting date
01 Mar 2014
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
04 Mar 2014
Reporting date
01 Mar 2014
SEC evidence
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8-K File 001-12691

8-K

Filing date
03 Mar 2014
Reporting date
01 Mar 2014
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CORRESP

CORRESP filing

Filing date
25 Feb 2014
Reporting date
Not listed
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S-4 File 333-194110

S-4

Filing date
25 Feb 2014
Reporting date
Not listed
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SC 13G/A File 005-41602

DISCLOSURE DOCUMENT

Filing date
14 Feb 2014
Reporting date
Not listed
SEC evidence
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8-K File 001-12691

8-K

Filing date
13 Feb 2014
Reporting date
12 Feb 2014
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SC 13G/A File 005-41602

ION GEOPHYSICAL CORPORATION

Filing date
05 Feb 2014
Reporting date
Not listed
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8-K File 001-12691

8-K

Filing date
29 Jan 2014
Reporting date
29 Jan 2014
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SC 13G/A File 005-41602

SC 13G/A filing

Filing date
29 Jan 2014
Reporting date
Not listed
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SC 13G/A File 005-41602

SC 13G/A filing

Filing date
28 Jan 2014
Reporting date
Not listed
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SC 13G File 005-41602

SC 13G

Filing date
10 Jan 2014
Reporting date
Not listed
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3

FORM 3 SUBMISSION

Filing date
08 Jan 2014
Reporting date
30 Dec 2013
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
16 Dec 2013
Reporting date
13 Dec 2013
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4

FORM 4 SUBMISSION

Filing date
13 Dec 2013
Reporting date
13 Dec 2013
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4

FORM 4 SUBMISSION

Filing date
13 Dec 2013
Reporting date
13 Dec 2013
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SC 13G/A File 005-41602

ION GEOPYSICAL CORPORATION11302013

Filing date
09 Dec 2013
Reporting date
Not listed
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8-K File 001-12691

8-K

Filing date
04 Dec 2013
Reporting date
01 Dec 2013
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4

FORM 4 SUBMISSION

Filing date
03 Dec 2013
Reporting date
01 Dec 2013
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
03 Dec 2013
Reporting date
01 Dec 2013
SEC evidence
Open document Open filing
Next action
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4

FORM 4 SUBMISSION

Filing date
03 Dec 2013
Reporting date
01 Dec 2013
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
03 Dec 2013
Reporting date
01 Dec 2013
SEC evidence
Open document Open filing
Next action
Verify source filing
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