Elisabeth A Hellmann

Chief Human Resources Officer · 1 filing · Latest: Apr 21, 2026

MASIMO CORP

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
MASI	Elisabeth A Hellmann	Chief Human Resources Officer	Apr 21, 2026	Tax Withholding	$178.43	121	$21.6K	214	May 5 4:59 PM
MASI	Elisabeth A Hellmann	Chief Human Resources Officer	Apr 21, 2026	Option Exercise	$0.00	335	—	335	May 5 4:59 PM