MASIMO CORP — Director's Dealing 2017

Apr 21, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASIMO CORP (MASI)
CIK: 0000937556
Period of Report: 2017-04-19

Reporting Person: Barker Steven (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-04-19	Common Stock	M	10000	$23.98	Acquired	70000	Direct
2017-04-19	Common Stock	S	10000	$95	Disposed	60000	Direct
2017-04-20	Common Stock	M	3249	$97.39	Acquired	63249	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-04-19	Non-Qualified Stock Option (Right to Buy)	$23.98	M	10000	Disposed	2019-01-01	Common Stock (10000.0)	Direct
2017-04-20	Restricted Stock Units	$0.0	M	3249	Disposed	2026-04-20	Common Stock (3249.0)	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 10, 2017, 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 January 11, 2009 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: Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of the Issuer upon vesting of the RSU.

F4: These RSUs were granted on April 20, 2016 and are exercisable as they vest. These RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the next annual meeting of stockholders.