MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

North Star Investment Management Corp.'s Holding History (CIK: 0001342857)

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

Q1 2023

Shares 30 Value ($000) $6 Avg Close $168.70 Range $144.51 - $184.97

Q4 2022

Shares 30 Value ($000) $4 Avg Close $137.60 Range $108.89 - $150.87

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	30	$6	$168.70	$144.51 - $184.97
Q4 2022	30	$4	$137.60	$108.89 - $150.87