MASIMO CORP — Director's Dealing 2013

Apr 25, 2013

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: MASIMO CORP (MASI)
CIK: 0000937556
Period of Report: 2013-04-22

Reporting Person: McClenahan Thomas Samuel (EVP & General Counsel)

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Non-qualified Stock Option (Right to buy)	$22.40	2022-07-31	Common Stock (20000)		Direct
Non-qualified Stock Option (Right to buy)	$34.79	2021-04-29	Common Stock (10000)		Direct

Footnotes

F1: This option was granted on July 31, 2012 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.

F2: This option was granted on April 29, 2011 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.