MASIMO CORP — Director's Dealing 2018

Oct 2, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASIMO CORP (MASI)
CIK: 0000937556
Period of Report: 2018-10-01

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-10-01	Common Stock	M	1325	$29.33	Acquired	2325	Direct
2018-10-01	Common Stock	S	1325	$125	Disposed	1000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-10-01	Non-Qualified Stock Option (Right to Buy)	$29.33	M	1325	Disposed	2023-12-30	Common Stock (1325.0)	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 September 5, 2018, 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.