| Filed On | Filing |
|---|---|
| 11 Dec 2024 | FORM 3 |
| 09 May 2024 | FORM 3 |
| 22 Dec 2023 | FORM 3 |
| 01 Dec 2020 | FORM 3 SUBMISSION |
| 01 Dec 2020 | FORM 3 SUBMISSION |
| 06 Jan 2020 | FORM 3 SUBMISSION |
| 20 Nov 2015 | FORM 3 SUBMISSION |
| 13 May 2013 | 3 |
| 30 May 2012 | WHEELER FORM 3 |
| 30 May 2012 | FORM 3 |
| 11 Apr 2012 | LANGTRY FORM 3 |
| 21 Aug 2009 | TAKASHI KANEMORI - FORM 3 |
| 10 Mar 2008 | WHITE FORM 3 |
| 03 Aug 2004 | 3 |
| 27 Jul 2004 | 3 |
| 27 Jul 2004 | 3 |
| 08 Dec 1997 | THOMAS L. DAVIS FOR OYO GEOSPACE CORPORATION |
| 08 Dec 1997 | CHARLES H. STILL FOR OYO GEOSPACE CORPORATION |
| 20 Nov 1997 | OYO GEOSPACE CORPORATION - OWNES, GARY D. |
| 20 Nov 1997 | OYO GEOSPACE CORPORATION - SHEEN, MICHAEL J. |
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