0001181431-07-020380 4 1 20070320 20070320 20070320 MEHRA AJAY 0001047059 4 34 000-23125 07707733 C/O OSI SYSTEMS INC 12525 CHADRON AVE HAWTHORNE CA 70250 12525 CHADRON AVE HAWTHORNE CA 90250 OSI SYSTEMS INC 0001039065 3674 330238801 CA 0630 12525 CHADRON AVE HAWTHORNE CA 90250 3109780516 12525 CHADRON AVENUE HAWTHORNE CA 90250 4 1 rrd144144.xml FORM 4