| Filed On | Filing |
|---|---|
| 19 Feb 2021 | FORM DEFA14A |
| 18 Feb 2021 | FORM DEFA14A |
| 12 Feb 2021 | FORM DEFA14A |
| 13 May 2020 | DEFA14A ADDITIONAL MATERIALS |
| 03 May 2019 | DEFA14A |
| 23 Nov 2018 | DEFA14A SPECMTGEXPLNOTE2 |
| 09 Nov 2018 | DEFA14A SPECMTGPRXYREV |
| 01 Nov 2018 | DEFA14A |
| 14 May 2013 | DEFA14A |
| 17 Feb 2005 | INPUT/OUTPUT, INC.- FEBRUARY 15, 2005 |
| 31 Mar 2003 | INPUT/OUTPUT, INC. |
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