MASIMO CORP — Director's Dealing 2021

May 4, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASIMO CORP (MASI)
CIK: 0000937556
Period of Report: 2021-04-30

Reporting Person: McClenahan Thomas Samuel (EVP, GEN COUNSEL & CORP SEC)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-04-30	Common Stock	P	500	$233.24	Acquired	22571	Direct
2021-05-03	Common Stock	P	500	$230	Acquired	23071	Direct

Footnotes

F1: The shares covered by this Form 4 were purchased pursuant to a Rule 10b5-1 Trading Plan dated as of March 18, 2021, which is intended to comply with Rule 10b5-1 promulgated under the Securities Exchange Act of 1934, as amended.