MASIMO CORP — Director's Dealing 2020

May 4, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASIMO CORP (MASI)
CIK: 0000937556
Period of Report: 2020-04-30

Reporting Person: FITCH SANFORD (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-04-30	Common Stock	M	10000	$21.97	Acquired	54245	Direct
2020-04-30	Common Stock	F	1027	$213.91	Disposed	53218	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-04-30	Non-Qualified Stock Option (Right to Buy)	$21.97	M	10000	Disposed	2023-05-28	Common Stock (10000.0)	Direct

Footnotes

F1: The Reporting Person paid the exercise price by delivering shares of the Issuer's common stock and a cash payment of $14.43 for the remaining fractional share.

F2: This option was granted on May 28, 2013 and is exercisable as the option vests. This option vested over a five year period, with 20% of the shares subject to the option vesting on each anniversary of the grant date.