OSI SYSTEMS INC — Director's Dealing 2012

Aug 17, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OSI SYSTEMS INC (OSIS)
CIK: 0001039065
Period of Report: 2012-08-16

Reporting Person: MEHRA AJAY (Director, Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-08-16	Common Stock	S	13400	$73.88	Disposed	179758	Direct
2012-08-16	Common Stock	S	2500	$73.09	Disposed	177258	Direct
2012-08-16	Common Stock	M	25000	$20.02	Acquired	202258	Direct
2012-08-16	Common Stock	F	15285	$73.83	Disposed	186973	Direct
2012-08-16	Common Stock	S	11153	$72.97	Disposed	175820	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-08-16	Option to purchase common stock	$20.02	M	25000	Disposed	2017-09-16	Common Stock (25000)	Direct

Footnotes

F1: Pursuant with a net settlement, share of stock were tendered to satisfy tax withholding and the cost of the options.