Politan Capital Management LP - Jun 26, 2023 Form 3 Insider Report for MASIMO CORP (MASI)

Role: Director by deputization
Signature: Politan Capital Management LP By: Politan Capital Management GP LLC, its General Partner /s/ Quentin Koffey, Managing Member
Stock symbol: MASI
Transactions as of: Jun 26, 2023
Transactions value $: $0
Form type: 3
Date filed: 7/6/2023, 04:00 PM
Next filing: Sep 23, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	MASI	Common Stock, par value $0.001 per share						4.71M	Jun 26, 2023	See footnotes	F1, F2, F3, F4, F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	In addition to Politan Capital Management LP, a Delaware limited partnership ("Politan"), this Form 3 is being filed jointly by Politan Capital Management GP LLC, a Delaware limited liability company ("Politan Management"), Politan Capital Partners GP LLC, a Delaware limited liability company ("Politan GP"), and Quentin Koffey, a citizen of the United States of America (together with Politan, Politan Management and Politan GP, the "Reporting Persons"), each of whom has the same business address as Politan and may be deemed to have a pecuniary interest in securities reported on this Form 3 (the "Subject Securities").
F2	Politan is the investment advisor to certain funds, including Politan Capital Partners LP, a Delaware limited partnership ("Politan LP"), Politan Capital Offshore Partners LP, a Cayman Islands exempted limited partnership ("Politan Offshore"), and Politan Capital Partners Master Fund LP, a Cayman Islands exempted limited partnership ("Politan Master Fund") (collectively with Politan Offshore and Politan LP, the "Politan Funds").
F3	Politan, as the investment advisor of the Politan Funds, may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. As the general partner of Politan, Politan Management may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. As the general partner of the Politan Funds, Politan GP may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934.
F4	By virtue of Mr. Koffey's position as managing partner and chief investment officer of Politan, and as the managing member of Politan Management and Politan GP, Mr. Koffey may be deemed to be the beneficial owner of the Subject Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein.
F5	Mr. Koffey is a member of the board of directors of the Issuer of the Subject Securities, and as a result, each of the other Reporting Persons may be directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934.