MASIMO CORP — Director's Dealing 2019

Apr 2, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASIMO CORP (MASI)
CIK: 0000937556
Period of Report: 2019-04-01

Reporting Person: Van Ramshorst David J (Chief Accounting Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-04-01	Common Stock	M	695	$86.95	Acquired	1695	Direct
2019-04-01	Common Stock	S	695	$140	Disposed	1000	Direct
2019-04-01	Common Stock	M	1150	$37.84	Acquired	2150	Direct
2019-04-01	Common Stock	S	1150	$140	Disposed	1000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-04-01	Non-Qualified Stock Option (Right to Buy)	$86.95	M	695	Disposed	2028-03-16	Common Stock (695.0)	Direct
2019-04-01	Non-Qualified Stock Option (Right to Buy)	$37.84	M	1150	Disposed	2026-02-28	Common Stock (1150.0)	Direct

Footnotes

F1: The shares covered by this Form 4 were exercised and sold pursuant to a Rule 10b5-1 Sales Plan dated as of March 13, 2019, which is intended to comply with Rule 10b5-1 promulgated under the Securities Exchange Act of 1934, as amended.

F2: This option was granted on March 16, 2018 and is exercisable as the option vests. This option vests over a five year period, with 20% of the shares subject to the option vesting on each anniversary of the grant date.

F3: This option was granted on February 29, 2016 and is exercisable as the option vests. This option vests over a five year period, with 20% of the shares subject to the option vesting on each anniversary of the grant date.