Micah W. Young - 26 Feb 2026 Form 4 Insider Report for MASIMO CORP (MASI)

Role
EVP & Chief Financial Officer
Signature
/s/ Micah W. Young, Attorney-In-Fact
Issuer symbol
MASI
Transactions as of
26 Feb 2026
Net transactions value
-$196,772
Form type
4
Filing time
26 Feb 2026, 20:13:18 UTC
Previous filing
13 Mar 2025
Next filing
03 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Young Micah W EVP & Chief Financial Officer C/O MASIMO CORPORATION, 52 DISCOVERY, IRVINE /s/ Micah W. Young, Attorney-In-Fact 26 Feb 2026 0001717871

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MASI Common Stock Award $0 +2,034 +12% $0.000000 19,470 26 Feb 2026 Direct F1
transaction MASI Common Stock Tax liability $196,772 -1,123 -5.8% $175.22 18,347 26 Feb 2026 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On March 3, 2023, the Reporting Person was granted performance-based restricted stock units ("PSUs"), which vested on February 26, 2026 upon the Issuer's achievement of certain pre-established performance goals for the three-year performance period ended January 3, 2026.
F2 These shares were withheld by the Issuer in order to satisfy certain tax withholding obligations in connection with the issuance of shares upon the vesting of certain PSUs.