ION GEOPHYSICAL CORP reports

Company location: Houston, TX
Fiscal year end: 31 December

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

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SEC filing history

Showing 301-325 of 884 matching filings.

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25

Current page

13

8-K File 001-12691

8-K

Filing date: 08 Feb 2018
Reporting date: 07 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 19 Dec 2017
Reporting date: 15 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 19 Dec 2017
Reporting date: 15 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 19 Dec 2017
Reporting date: 15 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 19 Dec 2017
Reporting date: 15 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 19 Dec 2017
Reporting date: 15 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 19 Dec 2017
Reporting date: 15 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 19 Dec 2017
Reporting date: 15 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-12691

8-K

Filing date: 19 Dec 2017
Reporting date: 19 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 18 Dec 2017
Reporting date: 14 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 18 Dec 2017
Reporting date: 14 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 18 Dec 2017
Reporting date: 14 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 18 Dec 2017
Reporting date: 14 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 18 Dec 2017
Reporting date: 14 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 18 Dec 2017
Reporting date: 14 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 18 Dec 2017
Reporting date: 14 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 05 Dec 2017
Reporting date: 01 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-12691

10-Q

Filing date: 02 Nov 2017
Reporting date: 30 Sep 2017
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-12691

8-K

Filing date: 02 Nov 2017
Reporting date: 01 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

3

FORM 3 SUBMISSION

Filing date: 13 Sep 2017
Reporting date: 06 Sep 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-12691

8-K

Filing date: 28 Aug 2017
Reporting date: 28 Aug 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 14 Aug 2017
Reporting date: 10 Aug 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-12691

10-Q

Filing date: 03 Aug 2017
Reporting date: 30 Jun 2017
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-12691

8-K

Filing date: 03 Aug 2017
Reporting date: 02 Aug 2017
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-12691

8-K

Filing date: 21 Jul 2017
Reporting date: 21 Jul 2017
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

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