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: 2017-04-20

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-04-20	Common Stock	M	4000	$19.72	Acquired	4000	Direct
2017-04-20	Common Stock	S	4000	$95.75	Disposed	0	Direct
2017-04-20	Common Stock	M	6000	$28.03	Acquired	6000	Direct
2017-04-20	Common Stock	S	6000	$95.75	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-04-20	Non-Qualified Stock Option (Right to Buy)	$19.72	M	4000	Disposed	2023-04-25	Common Stock (4000.0)	Direct
2017-04-20	Non-Qualified Stock Option (Right to Buy)	$28.03	M	6000	Disposed	2024-02-18	Common Stock (6000.0)	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 15, 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 April 25, 2013 and was exercisable as the option vested. 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.

F3: This option was granted on February 18, 2014 and was exercisable as the option vested. 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.