| Date | Event |
| 28-Oct-09 | OSI SYSTEMS INC Files SEC form 10-Q, Quarterly Report |
| 28-Oct-09 | OSI Systems upgraded by Morgan Keegan |
| 27-Oct-09 | OSI Systems Earnings Call scheduled for 12:00 pm ET today |
| 27-Oct-09 | OSI SYSTEMS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 16-Sep-09 | OSI SYSTEMS INC Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhibits |
| 28-Aug-09 | OSI SYSTEMS INC Files SEC form 10-K, Annual Report |
| 27-Aug-09 | OSI Systems Earnings Call scheduled for 12:00 pm ET today |
| 27-Aug-09 | OSI SYSTEMS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 8-May-09 | Price hit new 52-week high ($19.48) |
| 1-May-09 | OSI SYSTEMS INC Files SEC form 10-Q, Quarterly Report |
| 1-May-09 | Price hit new 52-week high ($19.10) |
| 30-Apr-09 | OSI SYSTEMS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 29-Apr-09 | Price hit new 52-week high ($18.50) |
| 4-Feb-09 | OSI SYSTEMS INC Files SEC form 8-K, Material Modification to Rights of Security Holders, Financial Statements and Exh |
| 29-Jan-09 | OSI SYSTEMS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 12-Dec-08 | OSI SYSTEMS INC Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements and Exhibits |
| 30-Oct-08 | OSI SYSTEMS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |