<SEC-DOCUMENT>0001181431-15-000536-index.html : 20150106
<SEC-HEADER>0001181431-15-000536.hdr.sgml : 20150106
<ACCEPTANCE-DATETIME>20150106191514
ACCESSION NUMBER:		0001181431-15-000536
CONFORMED SUBMISSION TYPE:	3/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20141212
FILED AS OF DATE:		20150106
DATE AS OF CHANGE:		20150106

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OSI SYSTEMS INC
		CENTRAL INDEX KEY:			0001039065
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				330238801
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		12525 CHADRON AVE
		CITY:			HAWTHORNE
		STATE:			CA
		ZIP:			90250
		BUSINESS PHONE:		3109780516

	MAIL ADDRESS:	
		STREET 1:		12525 CHADRON AVENUE
		CITY:			HAWTHORNE
		STATE:			CA
		ZIP:			90250

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ong Chee Cheong Nicholas
		CENTRAL INDEX KEY:			0001628387

	FILING VALUES:
		FORM TYPE:		3/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23125
		FILM NUMBER:		15511688

	MAIL ADDRESS:	
		STREET 1:		12525 CHADRON AVENUE
		CITY:			HAWTHORNE
		STATE:			CA
		ZIP:			90250
</SEC-HEADER>
<DOCUMENT>
<TYPE>3/A
<SEQUENCE>1
<FILENAME>rrd421219.xml
<DESCRIPTION>FORM 3A
<TEXT>
Document 1 - file: rrd421219.html

Document 1 - RAW XML: rrd421219.xml

</DOCUMENT>
</SEC-DOCUMENT>