Tim Benner - 31 Jul 2025 Form 3 Insider Report for MASIMO CORP (MASI)

Signature
/s/ Micah W. Young, Attorney-In-Fact
Issuer symbol
MASI
Transactions as of
31 Jul 2025
Net transactions value
$0
Form type
3
Filing time
11 Aug 2025, 20:15:15 UTC

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Benner Tim Chief Marketing Officer C/O MASIMO CORPORATION, 52 DISCOVERY, IRVINE /s/ Micah W. Young, Attorney-In-Fact 11 Aug 2025 0001809963

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
holding MASI Non-Qualified Stock Option (Right to Buy) 31 Jul 2025 Common Stock 2,537 $171.88 Direct F1
holding MASI Restricted Stock Units 31 Jul 2025 Common Stock 1,163 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This option was granted on June 9, 2025 and is exercisable as the option vests. The option vests over a five year period, with 20% of the shares subject to the option vesting on each anniversary of the grant date.
F2 This RSU award was granted on June 9, 2025 and will vest ratably over four years, with 25% of the award vesting on each anniversary of the grant date.
F3 Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of the Issuer upon vesting of the RSU.

Remarks:

Exhibit 24 - Power of Attorney