[8-K] MASIMO CORP Reports Material Event

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

________________________________________________

FORM 8-K

________________________________________________

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): September 23, 2025

MASIMO CORPORATION

(Exact name of registrant as specified in its charter)

________________________________________________

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))

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.

☐

Item 2.01. Completion of Acquisition or Disposition of Assets.

As previously disclosed, on May 6, 2025, Masimo Corporation (the “Company”) entered into a definitive Stock Purchase Agreement (the “Agreement”) with Harman International Industries, Incorporated, a Delaware corporation (“Buyer”), pursuant to which the Company agreed to sell and transfer to Buyer all of the Company’s equity interests in Viper Holdings Corporation, a Delaware corporation (together with its subsidiaries, “Sound United”), which owns and operates the Company’s consumer audio business, for an aggregate purchase price of $350,000,000 in cash, subject to certain adjustments (the “Transaction”). On September 23, 2025, the Company completed the Transaction.

At the closing of the Transaction, the Company received consideration of approximately $328,000,000 in cash, which is subject to certain post-closing adjustments pursuant to the Agreement.

The foregoing description of the terms of the Agreement does not purport to be complete and is subject to, and qualified in its entirety by, the full text of the Agreement, which was included as Exhibit 10.1 to the Current Report on Form 8-K/A filed by the Company on May 7, 2025, and is incorporated herein by reference.

Item 7.01. Regulation FD Disclosure.

On September 23, 2025, the Company published a press release announcing the closing of the Transaction. A copy of the press release is filed as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

The information in this Item 7.01 and Exhibit 99.1 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 of that Section, nor shall it be deemed incorporated by reference in any registration statement or other filing under the Securities Act of 1933, as amended, or the Exchange Act, except in the event that the Company expressly states that such information is to be considered filed under the Exchange Act or incorporates it by specific reference in such filing.

Cautionary Statement Concerning Forward-Looking Statements

This Current Report on Form 8-K and the documents incorporated by reference herein may contain “forward-looking” statements, as defined in federal securities laws including the Private Securities Litigation Reform Act of 1995, which are based on our current expectations, estimates, forecasts and projections. Statements that are not historical facts, including statements concerning plans, objectives, goals, strategies, future events, future revenues or performance, financing needs, plans or intentions relating to acquisitions and restructuring, business trends, statements regarding the merger and the expected timetable for completing the merger, are forward-looking statements. Words such as “expects,” “anticipates,” “predicts,” “projects,” “intends,” “plans,” “believes,” “seeks,” “estimates,” “continues,” “endeavors,” “strives,” “will,” “may,” “proposes,” “potential,” “could,” “should,” “outlook,” or variations of such words and similar expressions are intended to identify such forward-looking statements. In addition, any statements that refer to projections of future financial performance, anticipated growth and trends in businesses, and other characterizations of future events or circumstances are forward-looking statements. There are a number of risks, uncertainties and other important factors that could cause our actual results to differ materially from the forward-looking statements contained in this report.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

The following items are filed as exhibits to the Current Report on Form 8-K.

Exhibit  No.			Description
99.1			Press Release, dated September 23, 2025
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.

MASIMO CORPORATION

Date: September 23, 2025

By:

/s/ MICAH YOUNG

Micah Young

Executive Vice President & Chief Financial Officer

(Principal Financial Officer)