MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

ARTHUR M. COHEN & ASSOCIATES, LLC's Holding History (CIK: 0001692252)

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

Q2 2021

Shares 3,340 Value ($000) $810 Avg Close $228.17 Range $205.10 - $250.49

Q1 2021

Shares 3,341 Value ($000) $767 Avg Close $251.21 Range $217.65 - $284.86

Q4 2020

Shares 3,196 Value ($000) $858 Avg Close $249.38 Range $218.23 - $273.33

Q3 2020

Shares 2,931 Value ($000) $692 Avg Close $224.17 Range $203.81 - $248.88

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2021	3,340	$810	$228.17	$205.10 - $250.49
Q1 2021	3,341	$767	$251.21	$217.65 - $284.86
Q4 2020	3,196	$858	$249.38	$218.23 - $273.33
Q3 2020	2,931	$692	$224.17	$203.81 - $248.88