MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

Headlands Technologies LLC's Holding History (CIK: 0001570271)

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

Q4 2025

Shares 2,350 Value ($000) $306 Avg Close $143.19 Range $129.77 - $157.72

Q2 2024

Shares 866 Value ($000) $109 Avg Close $131.69 Range $112.85 - $147.89

Q2 2023

Shares 84 Value ($000) $14 Avg Close $174.09 Range $153.35 - $198.00

Q4 2022

Shares 25 Value ($000) $0 Avg Close $137.60 Range $108.89 - $150.87

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,350	$306	$143.19	$129.77 - $157.72
Q2 2024	866	$109	$131.69	$112.85 - $147.89
Q2 2023	84	$14	$174.09	$153.35 - $198.00
Q4 2022	25	$0	$137.60	$108.89 - $150.87