0001181431-05-061404 4 1 20051111 20051115 20051115 CHOPRA DEEPAK 0001047058 4 34 000-23125 051205904 C/O OSI SYSTEMS INC 12525 CHADRON AVE HAWTHORNE CA 70250 12525 CHADRON AVE HAWTHORNE CA 90250 CHAMBERLAIN SALLY F ECHOPRA DEEPAK 19970930 OSI SYSTEMS INC 0001039065 3674 330238801 CA 0630 12525 CHADRON AVE HAWTHORNE CA 90250 3109780516 12525 CHADRON AVENUE HAWTHORNE CA 90250 4 1 rrd97248.xml FORM 4