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 76–100 of 398 matching filings.

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4

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

4

FORM 4 SUBMISSION

Filing date: 06 Dec 2018
Reporting date: 06 Dec 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 04 Dec 2018
Reporting date: 01 Dec 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 04 Dec 2018
Reporting date: 01 Dec 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 04 Dec 2018
Reporting date: 01 Dec 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 04 Dec 2018
Reporting date: 01 Dec 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 04 Dec 2018
Reporting date: 01 Dec 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 04 Dec 2018
Reporting date: 01 Dec 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

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

4

FORM 4 SUBMISSION

Filing date: 15 Aug 2018
Reporting date: 14 Aug 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 26 Jun 2018
Reporting date: 22 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 20 Jun 2018
Reporting date: 18 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 05 Jun 2018
Reporting date: 04 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 05 Jun 2018
Reporting date: 01 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 01 Jun 2018
Reporting date: 30 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

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