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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
937556	Masimo Corp	MASI	Electromedical & Electrotherapeutic Apparatus (3845)	330368882

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1624132	J David Ramshorst Van	C/O Masimo Corporation 52 Discovery Irvine CA 92618	Chief Accounting Officer	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2018-05-30	3,000	$29.33	4,000	No	4	M	Direct
Common Stock	Disposition	2018-05-30	3,000	$100.00	1,000	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Non-Qualified Stock Option (Right to Buy)	Disposition	2018-05-30	3,000	$29.33	3,000	$29.33

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
18,000	2014-12-30	2023-12-30	No	4	M	Direct

Footnotes

The shares covered by this Form 4 were exercised and sold pursuant to a Rule 10b5-1 Sales Plan dated as of March 14, 2018, which is intended to comply with Rule 10b5-1 promulgated under the Securities Exchange Act of 1934, as amended.
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.