MASIMO CORP — Director's Dealing 2016

Dec 8, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASIMO CORP (MASI)
CIK: 0000937556
Period of Report: 2016-12-06

Reporting Person: McClenahan Thomas Samuel (EVP & GENERAL COUNSEL)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-12-06	Common Stock	M	4000	$22.40	Acquired	4000	Direct
2016-12-06	Common Stock	S	4000	$63	Disposed	0	Direct
2016-12-06	Common Stock	M	3707	$19.72	Acquired	3707	Direct
2016-12-06	Common Stock	S	3707	—	Disposed	0	Direct
2016-12-07	Common Stock	M	2293	$19.72	Acquired	2293	Direct
2016-12-07	Common Stock	S	2293	$63	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-12-06	Non-Qualified Stock Option (Right to Buy)	$22.4	M	4000	Disposed	2022-07-31	Common Stock (4000.0)	Direct
2016-12-06	Non-Qualified Stock Option (Right to Buy)	$19.72	M	3707	Disposed	2023-04-25	Common Stock (3707.0)	Direct
2016-12-07	Non-Qualified Stock Option (Right to Buy)	$19.72	M	2293	Disposed	2023-04-25	Common Stock (2293.0)	Direct

Footnotes

F1: The shares covered by this Form 4 were sold pursuant to a Rule 10b5-1 Sales Plan dated as of September 12, 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 July 31, 2012 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 April 25, 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.