MASIMO CORP — Director's Dealing 2010

Oct 22, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASIMO CORP (MASI)
CIK: 0000937556
Period of Report: 2010-10-21

Reporting Person: Paul Stephen E. (EVP, Acute Care Sales)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-10-21	Common Stock	$29.35	A	10000	Acquired	2020-10-21	Common Stock (10000)	Direct

Footnotes

F1: This option was granted on October 21, 2010 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 date.