MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

SummitTX Capital, L.P.'s Holding History (CIK: 0002052310)

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

Q4 2025

Shares 1,603 Value ($000) $208 Avg Close $143.19 Range $129.77 - $157.72

Q1 2025

Shares 3,773 Value ($000) $629 Avg Close $173.51 Range $159.29 - $194.88

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,603	$208	$143.19	$129.77 - $157.72
Q1 2025	3,773	$629	$173.51	$159.29 - $194.88