| Date | Event |
| 17-Nov-09 | Price hit new 52-week high ($34.20) |
| 10-Nov-09 | OYO GEOSPACE CORP Files SEC form 8-K, Other Events |
| 10-Nov-09 | Price hit new 52-week high ($33.95) |
| 6-Nov-09 | Price hit new 52-week high ($30.53) |
| 8-Sep-09 | OYO GEOSPACE CORP Files SEC form 8-K, Other Events |
| 7-Aug-09 | OYO GEOSPACE CORP Files SEC form 8-K, Results of Operations and Financial Condition, Change in Directors or Principal |
| 7-Aug-09 | OYO GEOSPACE CORP Files SEC form 10-Q, Quarterly Report |
| 6-Jul-09 | OYO GEOSPACE CORP Files SEC form 8-K, Other Events |
| 8-May-09 | OYO GEOSPACE CORP Files SEC form 8-K, Results of Operations and Financial Condition, Amendment or Waiver to Code of E |
| 8-May-09 | OYO GEOSPACE CORP Files SEC form 10-Q, Quarterly Report |
| 4-May-09 | OYO GEOSPACE CORP Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements and Exhibits |
| 9-Mar-09 | Price hit new 52-week low ($9.15) |
| 24-Feb-09 | Price hit new 52-week low ($9.45) |
| 23-Feb-09 | OYO GEOSPACE CORP Files SEC form 8-K, Amendment or Waiver to Code of Ethics, Regulation FD Disclosure, Financial Stat |
| 23-Feb-09 | Price hit new 52-week low ($9.75) |
| 6-Feb-09 | OYO GEOSPACE CORP Files SEC form 8-K, Results of Operations and Financial Condition |
| 6-Feb-09 | OYO GEOSPACE CORP Files SEC form 10-Q, Quarterly Report |
| 5-Dec-08 | OYO GEOSPACE CORP Files SEC form 8-K, Results of Operations and Financial Condition |
| 4-Dec-08 | OYO GEOSPACE CORP Files SEC form 10-K, Annual Report |