Joe E. Kiani - 08 Aug 2024 Form 4 Insider Report for MASIMO CORP (MASI)

Role: CEO and Chairman of the Board, Director
Signature: /s/ Micah Young, Attorney-In-Fact
Issuer symbol: MASI
Transactions as of: 08 Aug 2024
Net transactions value: +$8,769,344
Form type: 4
Filing time: 12 Aug 2024, 21:59:13 UTC
Previous filing: 01 Mar 2024
Next filing: 10 Sep 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MASI	Common Stock	Options Exercise	$8,769,344	+231,748	+62%	$37.84^*	603,924	08 Aug 2024	Direct
holding	MASI	Common Stock						46,818	08 Aug 2024	By Trust	F1
holding	MASI	Common Stock						512,613	08 Aug 2024	By Trust	F1
holding	MASI	Common Stock						352,919	08 Aug 2024	By Trust	F1
holding	MASI	Common Stock						359,000	08 Aug 2024	By Trust	F1
holding	MASI	Common Stock						2,550,291	08 Aug 2024	By Trust	F2
holding	MASI	Common Stock						10,366	08 Aug 2024	See Footnote	F3
holding	MASI	Common Stock						51,735	08 Aug 2024	By Spouse

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MASI	Non-Qualified Stock Option (Right to Buy)	Options Exercise	$0	-231,748	-77%	$0.000000	68,252	08 Aug 2024	Common Stock	231,748	$37.84	Direct	F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Shares held in three trusts for which Mr. Kiani is not the sole Trustee.
F2	Shares held in one trust for which Mr. Kiani is the sole trustee.
F3	Shares held in Masimo Retirement Savings Plan.
F4	This option was granted on February 29, 2016 and became exercisable as the option vested. The option vested over a 5 year period, with 20% of the shares subject to the option vesting on each anniversary of the grant date.