MASIMO CORP — Director's Dealing 2016

Jul 1, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASIMO CORP (MASI)
CIK: 0000937556
Period of Report: 2016-06-30

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-06-30	Common Stock	M	2000	$29.33	Acquired	3000	Direct
2016-06-30	Common Stock	M	3000	$29.90	Acquired	6000	Direct
2016-06-30	Common Stock	S	5000	$52.50	Disposed	1000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-06-30	Non-Qualified Stock Option (Right to Buy)	$29.33	M	2000	Disposed	2023-12-30	Common Stock (2000.0)	Direct
2016-06-30	Non-Qualified Stock Option (Right to Buy)	$29.9	M	3000	Disposed	2025-02-20	Common Stock (3000.0)	Direct

Footnotes

F1: The shares covered by this Form 4 were sold pursuant to a Rule 10b5-1 Sales Plan dated as of June 9, 2016, 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 December 30, 2013 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 6, 2015 and is exercisable as the option vests. The option vests over a five year period, with 20% of the shares subject to the option vesting on each anniversary of the grant date.