# ION GEOPHYSICAL CORP — DEF 14A

ION GEOPHYSICAL CORP of HOUSTON, TX filed a DEF 14A with the SEC on 2006-04-12. Industry: Oil & Gas Field Exploration Services.

## Filing

- Filed: 2006-04-12
- Form: DEF 14A
- Accession: 0000950129-06-003878
- Registrant: ION GEOPHYSICAL CORP
- CIK: 0000866609
- Industry (SIC): Oil & Gas Field Exploration Services (1382)
- State of incorporation: DE
- Location: HOUSTON, TX

## Documents (5)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEF 14A | INPUT/OUTPUT, INC. |
| 2 | GRAPHIC | GRAPHIC |
| 3 | GRAPHIC | GRAPHIC |
| 4 | GRAPHIC | GRAPHIC |
| 5 | GRAPHIC | GRAPHIC |

## Filing timeline for this registrant (52)

_Showing 12 of 52 filings._

| Filed | Form |
| --- | --- |
| [2021-05-14](https://search.stillhousedata.com/proxy/0001104659-21-066388) | DEF 14A |
| [2021-02-19](https://search.stillhousedata.com/proxy/0001437749-21-003360) | DEFA14A |
| [2021-02-18](https://search.stillhousedata.com/proxy/0001437749-21-003265) | DEFA14A |
| [2021-02-12](https://search.stillhousedata.com/proxy/0001437749-21-002650) | DEFA14A |
| [2021-01-22](https://search.stillhousedata.com/proxy/0001104659-21-006674) | DEF 14A |
| [2021-01-11](https://search.stillhousedata.com/proxy/0001104659-21-003036) | PRE 14A |
| [2020-05-13](https://search.stillhousedata.com/proxy/0000866609-20-000036) | DEFA14A |
| [2020-04-22](https://search.stillhousedata.com/proxy/0001047469-20-002497) | DEF 14A |
| [2019-05-03](https://search.stillhousedata.com/proxy/0000866609-19-000053) | DEFA14A |
| [2019-04-11](https://search.stillhousedata.com/proxy/0001047469-19-002158) | DEF 14A |
| [2018-11-23](https://search.stillhousedata.com/proxy/0000866609-18-000064) | DEFA14A |
| [2018-11-09](https://search.stillhousedata.com/proxy/0000866609-18-000062) | DEFA14A |

## More

- [CIK 866609 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=866609&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950129-06-003878.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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