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 476-500 of 884 matching filings.

Per page
25
Current page
20
8-K File 001-12691

8-K

Filing date
05 Nov 2015
Reporting date
04 Nov 2015
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8-K File 001-12691

8-K

Filing date
02 Sep 2015
Reporting date
02 Sep 2015
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8-K File 001-12691

8-K

Filing date
17 Aug 2015
Reporting date
14 Aug 2015
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8-K File 001-12691

8-K

Filing date
06 Aug 2015
Reporting date
05 Aug 2015
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8-K File 001-12691

8-K

Filing date
02 Jul 2015
Reporting date
02 Jul 2015
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UPLOAD

UPLOAD filing

Filing date
24 Jun 2015
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
18 Jun 2015
Reporting date
Not listed
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UPLOAD

UPLOAD filing

Filing date
12 Jun 2015
Reporting date
Not listed
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4

FORM 4 SUBMISSION

Filing date
02 Jun 2015
Reporting date
01 Jun 2015
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SD File 001-12691

SD

Filing date
01 Jun 2015
Reporting date
Not listed
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4

FORM 4 SUBMISSION

Filing date
27 May 2015
Reporting date
26 May 2015
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8-K File 001-12691

8-K ANNUAL MEETING

Filing date
20 May 2015
Reporting date
20 May 2015
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4

FORM 4 SUBMISSION

Filing date
18 May 2015
Reporting date
15 May 2015
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4

FORM 4 SUBMISSION

Filing date
15 May 2015
Reporting date
13 May 2015
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8-K File 001-12691

8-K

Filing date
07 May 2015
Reporting date
06 May 2015
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10-K/A File 001-12691

10-K/A

Filing date
24 Apr 2015
Reporting date
31 Dec 2014
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8-K File 001-12691

8-K

Filing date
24 Apr 2015
Reporting date
24 Apr 2015
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ARS File 001-12691

AUTO-GENERATED PAPER DOCUMENT

Filing date
16 Apr 2015
Reporting date
31 Dec 2014
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DEF 14A File 001-12691

DEF 14A

Filing date
14 Apr 2015
Reporting date
20 May 2015
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4

FORM 4 SUBMISSION

Filing date
03 Mar 2015
Reporting date
01 Mar 2015
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4

FORM 4 SUBMISSION

Filing date
03 Mar 2015
Reporting date
01 Mar 2015
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4

FORM 4 SUBMISSION

Filing date
03 Mar 2015
Reporting date
01 Mar 2015
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
03 Mar 2015
Reporting date
01 Mar 2015
SEC evidence
Open document Open filing
Next action
Verify source filing
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