Michelle Brennan - Aug 12, 2025 Form 4 Insider Report for MASIMO CORP (MASI)

Role
Director, Chairman of the Board
Signature
/s/ Micah W. Young, Attorney-In-Fact
Stock symbol
MASI
Transactions as of
Aug 12, 2025
Transactions value $
$30,560
Form type
4
Date filed
8/14/2025, 04:42 PM
Previous filing
May 1, 2025
Next filing
Nov 6, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Brennan Michelle Director, Chairman of the Board C/O MASIMO CORPORATION, 52 DISCOVERY, IRVINE /s/ Micah W. Young, Attorney-In-Fact 2025-08-14 0001827353

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MASI Common Stock Purchase $15K +100 +1.4% $150.35 7.22K Aug 12, 2025 Direct F1
transaction MASI Common Stock Purchase $15.5K +100 +1.39% $155.25 7.32K Aug 13, 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Reflects an open market purchase of shares of the Issuer's common stock by the Reporting Person.