MASIMO CORP — Director's Dealing 2018

Mar 2, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASIMO CORP (MASI)
CIK: 0000937556
Period of Report: 2018-02-27

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
2018-02-27	Common Stock	M	20000	—	Acquired	139241	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-02-27	Restricted Stock Units	$	A	100000	Acquired		Common Stock (100000.0)	Direct
2018-02-27	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	10373	Indirect
Common Stock	9000	Indirect

Footnotes

F1: Shares held in four trusts for which Mr. Kiani is the sole Trustee.

F2: Shares held in one trust for which Mr. Kiani is the sole trustee.

F3: Shares held in Masimo Retirement Savings Plan.

F4: Shares held by an immediate family member for which Mr. Kiani exercises voting and investment control.

F5: Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of the Issuer upon vesting of the RSU.

F6: On February 27, 2018, the Reporting Person was granted 100,000 restricted stock units, 20% of which were vested upon grant and 20% of which will vest on the first business day of each fiscal year thereafter.