OSI SYSTEMS INC — Director's Dealing 2011

Nov 15, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OSI SYSTEMS INC (OSIS)
CIK: 0001039065
Period of Report: 2011-11-11

Reporting Person: SZE VICTOR S (General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-11-11	Common Stock	M	1559	$26.81	Acquired	88816	Direct
2011-11-11	Common Stock	F	1209	$46.38	Disposed	87607	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-11-11	Option to Purchase Common Stock	$26.81	M	1559	Disposed	2011-11-21	Common Stock (1559)	Direct

Footnotes

F1: Pursuant with a net settlement, shares of stock were tendered to pay for the exercise price of the options and tax withholding. No shares of stock were sold.