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 426-450 of 884 matching filings.

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25

Current page

18

4

FORM 4 SUBMISSION

Filing date: 15 Mar 2016
Reporting date: 15 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 14 Mar 2016
Reporting date: 10 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 11 Mar 2016
Reporting date: 09 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-12691

8-K

Filing date: 04 Mar 2016
Reporting date: 04 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Mar 2016
Reporting date: 01 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Mar 2016
Reporting date: 01 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Mar 2016
Reporting date: 01 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Mar 2016
Reporting date: 01 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Mar 2016
Reporting date: 01 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Mar 2016
Reporting date: 01 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Mar 2016
Reporting date: 01 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Mar 2016
Reporting date: 01 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Mar 2016
Reporting date: 01 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Mar 2016
Reporting date: 01 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Mar 2016
Reporting date: 01 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Mar 2016
Reporting date: 01 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 02 Mar 2016
Reporting date: 01 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 02 Mar 2016
Reporting date: 01 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-12691

8-K SUPPORT AGREEMENT

Filing date: 29 Feb 2016
Reporting date: 29 Feb 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

S-8 File 333-209707

S-8 2013 LTIP SHARES

Filing date: 25 Feb 2016
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-12691

8-K

Filing date: 16 Feb 2016
Reporting date: 16 Feb 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-12691

8-K

Filing date: 16 Feb 2016
Reporting date: 16 Feb 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K/A File 001-12691

10-K/A

Filing date: 12 Feb 2016
Reporting date: 31 Dec 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

5

FORM 5 SUBMISSION

Filing date: 12 Feb 2016
Reporting date: 31 Dec 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

5

FORM 5 SUBMISSION

Filing date: 12 Feb 2016
Reporting date: 31 Dec 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

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