MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

13D Management LLC's Holding History (CIK: 0001600133)

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

Q4 2023

Shares 44,095 Value ($000) $5,168 Avg Close $93.21 Range $75.22 - $122.60

Q3 2023

Shares 22,113 Value ($000) $1,939 Avg Close $116.39 Range $83.03 - $164.16

Q2 2023

Shares 27,600 Value ($000) $4,542 Avg Close $174.09 Range $153.35 - $198.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	44,095	$5,168	$93.21	$75.22 - $122.60
Q3 2023	22,113	$1,939	$116.39	$83.03 - $164.16
Q2 2023	27,600	$4,542	$174.09	$153.35 - $198.00