ION GEOPHYSICAL CORP SEC filing history

884 loaded recent SEC filings. No local filings are indexed for this CIK yet. This fallback shows up to 1,000 recent submissions, not the complete SEC archive.

Open complete filing history at SEC

SEC filing history

Showing 351–375 of 398 matching filings.

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15

4

FORM 4 SUBMISSION

Filing date: 08 Aug 2011
Reporting date: 08 Aug 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 16 Jun 2011
Reporting date: 15 Jun 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 24 May 2011
Reporting date: 23 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 12 May 2011
Reporting date: 11 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 07 Apr 2011
Reporting date: 06 Apr 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 05 Apr 2011
Reporting date: 04 Apr 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 08 Mar 2011
Reporting date: 04 Mar 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 02 Mar 2011
Reporting date: 01 Mar 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 02 Mar 2011
Reporting date: 01 Mar 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 02 Mar 2011
Reporting date: 01 Mar 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 02 Mar 2011
Reporting date: 01 Mar 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 02 Mar 2011
Reporting date: 01 Mar 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 02 Mar 2011
Reporting date: 28 Feb 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 01 Mar 2011
Reporting date: 25 Feb 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 01 Mar 2011
Reporting date: 25 Feb 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 23 Feb 2011
Reporting date: 22 Feb 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

FORM 4/A SUBMISSION

Filing date: 03 Feb 2011
Reporting date: 01 Dec 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 14 Dec 2010
Reporting date: 13 Dec 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 14 Dec 2010
Reporting date: 10 Dec 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Dec 2010
Reporting date: 01 Dec 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Dec 2010
Reporting date: 02 Dec 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Dec 2010
Reporting date: 01 Dec 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Dec 2010
Reporting date: 01 Dec 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Dec 2010
Reporting date: 01 Dec 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Dec 2010
Reporting date: 01 Dec 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

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