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 676-700 of 884 matching filings.

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25

Current page

28

4

FORM 4 SUBMISSION

Filing date: 04 Dec 2012
Reporting date: 01 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 04 Dec 2012
Reporting date: 01 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 04 Dec 2012
Reporting date: 01 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 04 Dec 2012
Reporting date: 01 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 04 Dec 2012
Reporting date: 01 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 04 Dec 2012
Reporting date: 01 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 04 Dec 2012
Reporting date: 01 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 04 Dec 2012
Reporting date: 01 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 04 Dec 2012
Reporting date: 01 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 04 Dec 2012
Reporting date: 01 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-12691

FORM 8-K

Filing date: 03 Dec 2012
Reporting date: 01 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 15 Nov 2012
Reporting date: 14 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-12691

10-Q

Filing date: 09 Nov 2012
Reporting date: 30 Sep 2012
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-12691

FORM 8-K

Filing date: 09 Nov 2012
Reporting date: 07 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-12691

8-K

Filing date: 06 Nov 2012
Reporting date: 06 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 25 Oct 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 24 Oct 2012
Reporting date: 23 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

CORRESP

CORRESP filing

Filing date: 26 Sep 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 17 Sep 2012
Reporting date: 14 Sep 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 12 Sep 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-12691

FORM 8-K

Filing date: 11 Sep 2012
Reporting date: 11 Sep 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 10 Sep 2012
Reporting date: 21 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 06 Sep 2012
Reporting date: 04 Sep 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-12691

FORM 8-K

Filing date: 20 Aug 2012
Reporting date: 20 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-12691

FORM 8-K

Filing date: 17 Aug 2012
Reporting date: 16 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

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