Micah W. Young - Mar 1, 2025 Form 4 Insider Report for MASIMO CORP (MASI)

Signature
/s/ Micah W. Young, Attorney-In-Fact
Stock symbol
MASI
Transactions as of
Mar 1, 2025
Transactions value $
-$1,529,037
Form type
4
Date filed
3/4/2025, 04:44 PM
Previous filing
Mar 1, 2024
Next filing
Mar 13, 2025

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MASI Common Stock Options Exercise $0 +15K +142.37% $0.00 25.5K Mar 1, 2025 Direct
transaction MASI Common Stock Tax liability -$1.53M -8.1K -31.72% $188.77 17.4K Mar 1, 2025 Direct F1, F2

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 Restricted Stock Units Options Exercise $0 -15K -50% $0.00 15K Mar 1, 2025 Common Stock 15K Direct F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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 performance restricted stock units.
F2 For the vesting that occurred on March 1, 2025, the Company calculated the number of vested shares and shares withheld for tax liability based on the Company's closing stock price on the immediately preceding business day. As a result, the Reporting person received 6,900 shares of common stock, as shown in Table I.
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.
F4 As previously reported, the reporting person was granted 30,000 restricted stock units on March 1, 2024, 50% of which will vest on March 1, 2025 and 50% of which will vest on March 1, 2026. The remaining 15,000 restricted stock units are shown in table II and are scheduled to vest on March 1, 2026.