OSI SYSTEMS INC

Ticker: OSIS CUSIP: 671044105 Class: EQTY

Westside Investment Management, Inc.'s Holding History (CIK: 0001538383)

Note: Option positions (PUT/CALL) are excluded.

Q4 2017

Shares 96 Value ($000) $6,356 Avg Close $84.03 Range $53.80 - $96.64

Q3 2017

Shares 96 Value ($000) $9,168 Avg Close $81.30 Range $74.96 - $92.34

Q2 2017

Shares 96 Value ($000) $7,320 Avg Close $75.70 Range $69.08 - $82.26

Q1 2017

Shares 74 Value ($000) $5,201 Avg Close $74.27 Range $69.45 - $81.55

Q4 2016

Shares 74 Value ($000) $5,489 Avg Close $72.10 Range $65.00 - $78.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	96	$6,356	$84.03	$53.80 - $96.64
Q3 2017	96	$9,168	$81.30	$74.96 - $92.34
Q2 2017	96	$7,320	$75.70	$69.08 - $82.26
Q1 2017	74	$5,201	$74.27	$69.45 - $81.55
Q4 2016	74	$5,489	$72.10	$65.00 - $78.86