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 1–25 of 118 matching filings.

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REVOKED File 001-12691

REVOKED filing

Filing date
14 Nov 2023
Reporting date
Not listed
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25-NSE File 001-12691

25-NSE filing

Filing date
03 Jun 2022
Reporting date
Not listed
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RW File 333-257757

FORM RW

Filing date
12 May 2022
Reporting date
Not listed
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NT 10-K File 001-12691

FORM NT 10-K

Filing date
01 Apr 2022
Reporting date
31 Dec 2021
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S-1 File 333-257757

S-1

Filing date
08 Jul 2021
Reporting date
Not listed
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SD File 001-12691

FORM SD

Filing date
28 May 2021
Reporting date
Not listed
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DEF 14A File 001-12691

DEF 14A

Filing date
14 May 2021
Reporting date
23 Jun 2021
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S-8 File 333-256011

FORM S-8

Filing date
11 May 2021
Reporting date
Not listed
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424B5 File 333-234606

424B5

Filing date
26 Apr 2021
Reporting date
Not listed
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EFFECT File 333-252590

EFFECT filing

Filing date
10 Mar 2021
Reporting date
Not listed
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EFFECT File 333-252591

EFFECT filing

Filing date
10 Mar 2021
Reporting date
Not listed
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424B3 File 333-252591

424B3

Filing date
10 Mar 2021
Reporting date
Not listed
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424B3 File 333-252590

424B3

Filing date
10 Mar 2021
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
10 Mar 2021
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
10 Mar 2021
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
09 Mar 2021
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
09 Mar 2021
Reporting date
Not listed
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S-1/A File 333-252590

S-1/A

Filing date
03 Mar 2021
Reporting date
Not listed
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S-4/A File 333-252591

FORM S-4/A

Filing date
03 Mar 2021
Reporting date
Not listed
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DEFA14A File 001-12691

FORM DEFA14A

Filing date
19 Feb 2021
Reporting date
Not listed
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DEFA14A File 001-12691

FORM DEFA14A

Filing date
18 Feb 2021
Reporting date
Not listed
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424B5 File 333-234606

424B5

Filing date
18 Feb 2021
Reporting date
Not listed
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S-1/A File 333-252590

S-1/A

Filing date
12 Feb 2021
Reporting date
Not listed
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S-4/A File 333-252591

S-4/A

Filing date
12 Feb 2021
Reporting date
Not listed
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DEFA14A File 001-12691

FORM DEFA14A

Filing date
12 Feb 2021
Reporting date
Not listed
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