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.

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SEC filing history

Showing 26–50 of 398 matching filings.

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25

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2

4

4 filing

Filing date: 23 Sep 2021
Reporting date: 21 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 20 Sep 2021
Reporting date: 16 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Sep 2021
Reporting date: 01 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Sep 2021
Reporting date: 01 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Sep 2021
Reporting date: 01 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 13 May 2021
Reporting date: 11 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 13 May 2021
Reporting date: 11 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 13 May 2021
Reporting date: 11 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 13 May 2021
Reporting date: 11 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 13 May 2021
Reporting date: 11 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 13 May 2021
Reporting date: 11 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 13 May 2021
Reporting date: 11 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 22 Apr 2021
Reporting date: 20 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 21 Apr 2021
Reporting date: 19 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 21 Apr 2021
Reporting date: 19 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 21 Apr 2021
Reporting date: 19 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 21 Apr 2021
Reporting date: 19 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 21 Apr 2021
Reporting date: 19 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 21 Apr 2021
Reporting date: 19 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 21 Apr 2021
Reporting date: 19 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 21 Apr 2021
Reporting date: 19 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 09 Mar 2021
Reporting date: 05 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Mar 2021
Reporting date: 01 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Mar 2021
Reporting date: 01 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Mar 2021
Reporting date: 01 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

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