MASIMO CORP — Director's Dealing 2019

Jan 4, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASIMO CORP (MASI)
CIK: 0000937556
Period of Report: 2019-01-02

Reporting Person: KIANI JOE E (Director, CEO and Chairman of the Board)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-01-02	Common Stock	M	20000	—	Acquired	149241	Direct
2019-01-02	Common Stock	S	5	$93.42	Disposed	10368	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-01-02	Restricted Stock Units	$	M	20000	Disposed		Common Stock (20000.0)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	229290	Indirect
Common Stock	550000	Indirect
Common Stock	352919	Indirect
Common Stock	359000	Indirect
Common Stock	2250291	Indirect
Common Stock	9000	Indirect

Footnotes

F1: During fiscal year 2018, the administrator of the Masimo Retirement Savings Plan liquidated on a quarterly basis a nominal amount of Masimo Corporation shares as payment of quarterly administration fees. The liquidation of shares is reflected in this Form 4 filing. The average sales price reflected in box 4 above is an average of the quarterly sales of these shares. The information reported in this filing is based on a plan statement dated December 29, 2018.

F2: Shares held in Masimo Retirement Savings Plan.

F3: Shares held in four trusts for which Mr. Kiani is not the Trustee.

F4: Shares held in one trust for which Mr. Kiani is the sole trustee.

F5: Shares held by an immediate family member for which Mr. Kiani exercises voting and investment control.

F6: Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of the Issuer upon vesting of the RSU.

F7: On February 27, 2018, the Reporting Person was granted 100,000 restricted stock units, 20% of which vested upon grant and 20% of which will vest on the first business day of each fiscal year thereafter.