MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

PRINCIPAL SECURITIES, INC.'s Holding History (CIK: 0000012600)

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

Q3 2025

Shares 7 Value ($000) $1 Avg Close $151.39 Range $135.34 - $172.55

Q2 2025

Shares 4 Value ($000) $1 Avg Close $159.72 Range $133.70 - $174.50

Q1 2025

Shares 58 Value ($000) $10 Avg Close $173.51 Range $159.29 - $194.88

Q4 2024

Shares 58 Value ($000) $10 Avg Close $157.91 Range $131.60 - $180.97

Q3 2024

Shares 58 Value ($000) $8 Avg Close $116.03 Range $101.61 - $135.78

Q2 2024

Shares 40 Value ($000) $5 Avg Close $131.69 Range $112.85 - $147.89

Q1 2024

Shares 35 Value ($000) $5 Avg Close $129.12 Range $107.57 - $153.93

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	7	$1	$151.39	$135.34 - $172.55
Q2 2025	4	$1	$159.72	$133.70 - $174.50
Q1 2025	58	$10	$173.51	$159.29 - $194.88
Q4 2024	58	$10	$157.91	$131.60 - $180.97
Q3 2024	58	$8	$116.03	$101.61 - $135.78
Q2 2024	40	$5	$131.69	$112.85 - $147.89
Q1 2024	35	$5	$129.12	$107.57 - $153.93