MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

HEADINVEST, LLC's Holding History (CIK: 0001372130)

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

Q3 2023

Shares 25 Value ($000) $2 Avg Close $116.39 Range $83.03 - $164.16

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	25	$2	$116.39	$83.03 - $164.16