Company:  OSI SYSTEMS INC (OSIS)
Form Type:  4
Filing Date:  3/6/2012 
CIK:  0001039065 
Address:  12525 CHADRON AVE 
City, State, Zip:  HAWTHORNE, California 90250 
Telephone:  (310) 978-0516 
Fiscal Year:  06/30 
Last Trade
Last Trade: 
$57.50  
Change: 
2.91 (5.33%)  
Trade Time: 
04:00 PM EST  
Market Cap: 
$1.15B
Description of Business
Register for a Free Trial and access this filing in:     
  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    REPORTING OWNERS
    SIGNATURES