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 201-225 of 884 matching filings.

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25

Current page

9

8-K File 001-12691

8-K

Filing date: 17 Jun 2019
Reporting date: 17 Jun 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

3

FORM 3 SUBMISSION

Filing date: 14 Jun 2019
Reporting date: 07 Jun 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-12691

8-K

Filing date: 10 Jun 2019
Reporting date: 10 Jun 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-12691

8-K

Filing date: 04 Jun 2019
Reporting date: 29 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 04 Jun 2019
Reporting date: 01 Jun 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Jun 2019
Reporting date: 31 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

SD File 001-12691

SD CY2018

Filing date: 31 May 2019
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 May 2019
Reporting date: 16 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 001-12691

DEFA14A

Filing date: 03 May 2019
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-12691

10-Q

Filing date: 02 May 2019
Reporting date: 31 Mar 2019
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-12691

8-K

Filing date: 02 May 2019
Reporting date: 01 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 001-12691

DEF 14A

Filing date: 11 Apr 2019
Reporting date: 15 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 05 Mar 2019
Reporting date: 01 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 05 Mar 2019
Reporting date: 01 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 05 Mar 2019
Reporting date: 01 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 05 Mar 2019
Reporting date: 01 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 05 Mar 2019
Reporting date: 01 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 05 Mar 2019
Reporting date: 01 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 05 Mar 2019
Reporting date: 01 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 05 Mar 2019
Reporting date: 01 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 05 Mar 2019
Reporting date: 01 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 05 Mar 2019
Reporting date: 01 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 05 Mar 2019
Reporting date: 01 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G File 005-41602

SC 13G filing

Filing date: 14 Feb 2019
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G File 005-41602

SC 13G

Filing date: 14 Feb 2019
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

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