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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
________________________________________________
FORM 8-K
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CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): December 3, 2025
MASIMO CORPORATION
(Exact name of registrant as specified in its charter)
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| DE | | 001-33642 | | 33-0368882 |
(State or other jurisdiction of incorporation) | | (Commission File Number) | | (IRS Employer Identification No.) |
| 52 Discovery | | Irvine, | | CA | | | | | 92618 |
| (Address of Principal Executive Offices) | | | | | (Zip Code) |
| | | | | | (949) | 297-7000 | | | |
Registrant’s telephone number, including area code: |
Not Applicable |
(Former name or former address, if changed since last report) |
| | | | | |
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: |
| ☐ | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) |
| ☐ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) |
| ☐ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2 (b)) |
| ☐ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) |
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| Securities Registered pursuant to Section 12(b) of the Act: |
| Title of each class | | Trading Symbol(s) | | Name of each exchange on which registered |
| Common Stock, $0.001 par value | | MASI | | The Nasdaq Stock Market LLC |
| | | | | |
| Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933(§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). |
| Emerging growth company | ☐ |
| If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. | ☐ |
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| Item 7.01. | Regulation FD Disclosure. |
On December 3, 2025, Masimo Corporation (“Masimo”) held its 2025 Investor Day, which it announced in a press release, dated December 3, 2025, furnished as Exhibit 99.1 to this Current Report. Also on December 3, 2025, Katie Szyman, Chief Executive Officer of Masimo Corporation, and several of Masimo’s other executives presented at Masimo’s 2025 Investor Day.
A replay of the presentation is available on Masimo’s website at investor.masimo.com, a copy of the presentation is furnished as Exhibit 99.2 to this Current Report. During Masimo’s 2025 Investor Day, Masimo’s Chief Financial Officer reaffirmed financial guidance for fiscal year 2025, as well as provided certain long-range financial targets, as set forth in the presentation furnished as Exhibit 99.2 to this Current Report.
In accordance with General Instructions B.2 of Form 8-K, the information in Item 7.01 of this Current Report on Form 8-K (including Exhibits 99.1 and 99.2 to this Current Report) shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities under that section, and shall not be deemed to be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.
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| Item 9.01. | Financial Statements and Exhibits. |
(d) The following items are furnished as exhibits to this Current Report on Form 8-K.
| | | | | |
Exhibit No. | Description |
| 99.1 | |
99.2 | |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) |
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, Masimo Corporation has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
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| | | | MASIMO CORPORATION |
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Date: December 3, 2025 | | | | By: | | /s/ MICAH YOUNG |
| | | | | | Micah Young |
| | | | | | Executive Vice President & Chief Financial Officer |
| | | | | | (Principal Financial Officer) |