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 376-400 of 884 matching filings.

Per page
25
Current page
16
4

FORM 4 SUBMISSION

Filing date
21 Oct 2016
Reporting date
19 Oct 2016
SEC evidence
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UPLOAD

UPLOAD filing

Filing date
21 Oct 2016
Reporting date
Not listed
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4

FORM 4 SUBMISSION

Filing date
19 Oct 2016
Reporting date
17 Oct 2016
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4

FORM 4 SUBMISSION

Filing date
17 Oct 2016
Reporting date
13 Oct 2016
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4

FORM 4 SUBMISSION

Filing date
13 Oct 2016
Reporting date
11 Oct 2016
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4

FORM 4 SUBMISSION

Filing date
11 Oct 2016
Reporting date
06 Oct 2016
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4

FORM 4 SUBMISSION

Filing date
06 Oct 2016
Reporting date
04 Oct 2016
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SC 13D/A File 005-41602

SC 13D/A

Filing date
05 Oct 2016
Reporting date
Not listed
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4/A

FORM 4/A SUBMISSION

Filing date
05 Oct 2016
Reporting date
30 Sep 2016
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4

FORM 4 SUBMISSION

Filing date
04 Oct 2016
Reporting date
30 Sep 2016
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
30 Sep 2016
Reporting date
28 Sep 2016
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4

FORM 4 SUBMISSION

Filing date
28 Sep 2016
Reporting date
26 Sep 2016
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4

FORM 4 SUBMISSION

Filing date
26 Sep 2016
Reporting date
22 Sep 2016
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S-3 File 333-213769

S-3

Filing date
23 Sep 2016
Reporting date
Not listed
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8-K File 001-12691

8-K

Filing date
23 Sep 2016
Reporting date
23 Sep 2016
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4

FORM 4 SUBMISSION

Filing date
22 Sep 2016
Reporting date
20 Sep 2016
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4

FORM 4 SUBMISSION

Filing date
20 Sep 2016
Reporting date
16 Sep 2016
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4

FORM 4 SUBMISSION

Filing date
16 Sep 2016
Reporting date
14 Sep 2016
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4

FORM 4 SUBMISSION

Filing date
14 Sep 2016
Reporting date
12 Sep 2016
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4

FORM 4 SUBMISSION

Filing date
12 Sep 2016
Reporting date
08 Sep 2016
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SC 13D/A File 005-41602

SC 13D/A

Filing date
12 Sep 2016
Reporting date
Not listed
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
08 Sep 2016
Reporting date
06 Sep 2016
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
06 Sep 2016
Reporting date
01 Sep 2016
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
01 Sep 2016
Reporting date
30 Aug 2016
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
30 Aug 2016
Reporting date
26 Aug 2016
SEC evidence
Open document Open filing
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