masi-20250923
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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
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MASIMO CORPORATION
(Exact name of registrant as specified in its charter)
________________________________________________
DE001-3364233-0368882
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)
52 DiscoveryIrvine,CA92618
(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 classTrading Symbol(s)Name of each exchange on which registered
Common Stock, $0.001 par valueMASIThe 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
104Cover 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, 2025By:
/s/ MICAH YOUNG
Micah Young
Executive Vice President & Chief Financial Officer
(Principal Financial Officer)


Exhibit 99.1
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Masimo Completes Sale of Consumer Audio Business to HARMAN International
Irvine, California – September 23, 2025 – Masimo (Nasdaq: MASI) today announced it has completed the previously announced sale of its Sound United consumer audio business to HARMAN International (“HARMAN”), a wholly-owned subsidiary of Samsung Electronics Co., Ltd.
Katie Szyman, Chief Executive Officer of Masimo, stated, “The completion of the Sound United sale is an important milestone in our ongoing efforts to focus on our core professional healthcare business. With this chapter behind us, we are even better positioned to broaden Masimo’s patient impact, accelerate growth, and deliver stronger margins. We have exciting opportunities ahead, and I am confident that we will be able to continue building on our positive momentum to deliver value for all stakeholders. Finally, on behalf of the entire leadership team, I want to thank the Sound United team for their dedication and wish them continued success as part of HARMAN.”
With regard to the use of proceeds from the transaction, Masimo anticipates prioritizing share repurchases.
Centerview Partners LLC and Morgan Stanley & Co. LLC served as financial advisors to Masimo and Sullivan & Cromwell LLP served as legal advisor to Masimo in connection with the transaction.

@Masimo | #Masimo

About Masimo
Masimo (Nasdaq: MASI) is a global medical technology company that develops and produces a wide array of industry-leading monitoring technologies, including innovative measurements, sensors, patient monitors, automation and connectivity solutions. Our mission is for Masimo innovations to empower clinicians to transform patient care. Masimo SET® Measure-through Motion and Low Perfusion pulse oximetry, introduced in 1995, has been shown to outperform other pulse oximetry technologies in over 100 independent and objective studies, which can be found at www.masimo.com/evidence/featured-studies/feature. Masimo SET® is estimated to be used on more than 200 million patients around the world each year and is the primary pulse oximetry at all 10 top U.S. hospitals as ranked in the 2025 Newsweek World’s Best Hospitals listing. Additional information about Masimo and its products may be found at www.masimo.com.
Forward-Looking Statements - Masimo
This press release includes forward-looking statements as defined in Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, in connection with the Private Securities Litigation Reform Act of 1995. Forward-looking statements are statements other than statements of historical facts that address activities, events or developments that we expect, believe or anticipate will or may occur in the future. These forward-looking statements include, among others, statements regarding broadening our patient impact, accelerating growth, and delivering stronger margins, the anticipated use of funds from the transaction; and other matters that do not relate strictly to historical facts or statements of assumptions underlying any of the foregoing. These statements are often identified by the use of words such as “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “on-going,” “opportunity,” “plan,” “potential,” “predicts,” “forecast,” “project,” “seek,” “should,” “will,” or “would,” the negative versions of these terms and similar expressions or variations, but the absence of such words does not mean that a statement is not forward-looking. These forward-looking statements are based on current expectations about future events affecting us and are subject to risks and uncertainties, all of which are difficult to predict and many of which are beyond our control and could cause our actual results to differ materially and adversely from those expressed in our forward-looking statements as a result of various risk factors, including, but not limited to: our ability to execute on our business plans and achieve our financial and other goals; and other factors discussed in the “Risk Factors” section of our most recent periodic reports filed with the Securities and Exchange Commission (“SEC”), including our most recent Form 10-K and Form 10-Q, all of which you may obtain for free on the SEC’s website at www.sec.gov. Forward-looking statements are not guarantees of future performance. Although we believe that the expectations reflected in our forward-looking statements are reasonable, we do not know whether our expectations will prove correct. All forward-looking statements included in this press release are expressly qualified in their entirety by the foregoing cautionary statements. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of today’s date. We do not undertake any obligation to update, amend or clarify these statements or the “Risk Factors” contained in our most recent reports filed with the SEC, whether as a result of new information, future events or otherwise, except as may be required under the applicable securities laws.

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Investor Contact: Eli KammermanMedia Contact: Evan Lamb
(949) 297-7077(949) 396-3376
[email protected][email protected]
Media Contact: Longacre Square Partners
[email protected]

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