MASIMO CORP — Proxy Solicitation & Information Statement 2023

May 2, 2023

DFAN14A 1 tm2314379d1_dfan14a.htm DFAN14A

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UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

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SCHEDULE 14A

(Rule 14a-101)

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of

the Securities Exchange Act of 1934

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Filed by the Registrant ¨ Filed by a Party other than the Registrant x

Check the appropriate box:
¨	Preliminary Proxy Statement
¨	Confidential,
for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
¨	Definitive Proxy Statement
¨	Definitive Additional Materials
x	Soliciting material Pursuant to §240.14a-12

Masimo Corporation

(Name of Registrant as Specified In Its Charter)

POLITAN CAPITAL MANAGEMENT LP POLITAN CAPITAL MANAGEMENT GP LLC POLITAN CAPITAL PARTNERS GP LLC POLITAN CAPITAL NY LLC POLITAN INTERMEDIATE LTD. POLITAN CAPITAL PARTNERS MASTER FUND LP POLITAN CAPITAL PARTNERS LP POLITAN CAPITAL OFFSHORE PARTNERS LP QUENTIN KOFFEY MATTHEW HALL AARON KAPITO MICHELLE BRENNAN

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

x	No fee required.
¨	Fee paid previously with preliminary materials.
¨	Fee computed on table below per Exchange Act Rules 14a-6(i)(4)
and 0-11.

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On May 2, 2023, Politan Capital Management LP, a Delaware limited partnership (“Politan”) launched a website in connection with the solicitation of stockholders of Masimo Corporation, a Delaware corporation (“Masimo”), which is available at www.AdvanceMasimo.com (the “Site”). Copies of the materials posted to the Site are filed herewith.