MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

Summit Trail Advisors, LLC's Holding History (CIK: 0001698478)

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

Q4 2025

Shares 11,696 Value ($000) $1,521 Avg Close $143.19 Range $129.77 - $157.72

Q3 2025

Shares 3,725 Value ($000) $550 Avg Close $151.39 Range $135.34 - $172.55

Q2 2025

Shares 7,160 Value ($000) $1,204 Avg Close $159.72 Range $133.70 - $174.50

Q4 2017

Shares 29 Value ($000) $3 Avg Close $86.74 Range $84.05 - $91.04

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,696	$1,521	$143.19	$129.77 - $157.72
Q3 2025	3,725	$550	$151.39	$135.34 - $172.55
Q2 2025	7,160	$1,204	$159.72	$133.70 - $174.50
Q4 2017	29	$3	$86.74	$84.05 - $91.04