Masimo Corp Common Stock Removed from Nasdaq

Masimo Corp notified Nasdaq of the removal of its Common Stock from listing and/or registration on the Nasdaq Stock Market.

Accepted by SEC EDGAR 06/10/2026 - 09:33 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Masimo Corp notified Nasdaq of the removal of its Common Stock from listing and/or registration on the Nasdaq Stock Market. The exchange certified compliance with 17 CFR 240.12d2-2 procedures and the issuer certified compliance with the exchange's rules for voluntary withdrawal.

Key Figures

Commission File Number: 001-33642 Expiry reference: March 31, 2018 Issuer telephone: +1 949 297-7000 +1 more

4 metrics

Commission File Number 001-33642 Form 25 notification

Expiry reference March 31, 2018 header expiry line in excerpt

Issuer telephone +1 949 297-7000 Masimo Corp principal executive offices

Issuer zip code 92618 Masimo Corp address in filing

Key Terms

Form 25, 17 CFR 240.12d2-2, voluntary withdrawal

3 terms

Form 25 regulatory

"FORM 25 NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION"

A Form 25 is an official filing with the U.S. Securities and Exchange Commission used to remove a company's stock or other security from a national exchange list. Investors should care because delisting often means less visibility, lower trading volume and wider price swings—similar to a product moving from a major supermarket to a small local market, which can make buying, selling and valuing the security more difficult.

17 CFR 240.12d2-2 regulatory

"Pursuant to 17 CFR 240.12d2-2(b), the Exchange has complied with its rules"

A U.S. Securities and Exchange Commission rule that describes the conditions and procedural steps for a security to be removed from public registration or reporting under the Securities Exchange Act of 1934. For investors, it matters because it explains when a company’s shares can stop being subject to regular disclosure and exchange listing rules — similar to knowing when a publicly tracked product will be discontinued and no longer send updates, which affects transparency and liquidity.

voluntary withdrawal financial

"the Issuer has complied with its rules of the Exchange and the requirements governing the voluntary withdrawal"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Form 25 for Masimo (MASI) report?

The Form 25 reports removal of Masimo Corp's Common Stock from Nasdaq listing. The exchange and issuer both certified they complied with 17 CFR 240.12d2-2 and the exchange's delisting/withdrawal procedures.

Who certified the delisting on the Form 25 filing?

Nasdaq Stock Market LLC certified the removal and compliance with rules, and Masimo Corp certified compliance with the exchange's voluntary withdrawal requirements. The notification was signed by an authorized Nasdaq representative.

Is there a date tied to the filing or expiration noted in the excerpt?

The excerpt shows an expiry reference of March 31, 2018. The Form 25 itself lists the Commission File Number 001-33642 and includes the issuer's contact telephone number +1 949 297-7000.

What regulatory citation governs the delisting noted in the filing?

The filing cites 17 CFR 240.12d2-2 (subsections (a)(1)-(4), (b) and (c)) as the regulatory rule governing strike/withdrawal of a class of securities from listing and registration on the exchange.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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UNITED STATES

OMB APPROVAL

OMB Number:			3235-0080
Expires:	March 31, 2018
Estimated average burden
hours per response:			1.7

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 25

NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION
UNDER SECTION 12(b) OF THE SECURITIES EXCHANGE ACT OF 1934.

Commission File Number

001-33642

Issuer:	MASIMO CORP
Exchange:	Nasdaq Stock Market LLC

(Exact name of Issuer as specified in its charter, and name of Exchange where security is listed and/or registered)

Address:	40 Parker
	Irvine	CALIFORNIA	92618
Telephone number:					+1 949 297-7000

(Address, including zip code, and telephone number, including area code, of Issuer's principal executive offices)

Common Stock

(Description of class of securities)

Please place an X in the box to designate the rule provision relied upon to strike the class of securities from listing and registration:

17 CFR 240.12d2-2(a)(1)

17 CFR 240.12d2-2(a)(2)

17 CFR 240.12d2-2(a)(3)

17 CFR 240.12d2-2(a)(4)

Pursuant to 17 CFR 240.12d2-2(b), the Exchange has complied with its rules to strike the class of securities from listing and/or withdraw registration on the Exchange. ¹

Pursuant to 17 CFR 240.12d2-2(c), the Issuer has complied with its rules of the Exchange and the requirements of 17 CFR 240.12d-2(c) governing the voluntary withdrawal of the class of securities from listing and registration on the Exchange.

Pursuant to the requirements fo the Securities Exchange Act of 1934, Nasdaq Stock Market LLC certifies that it has reasonable grounds to believe that it meets all of the requirements for filing the Form 25 and has caused this notification to be signed on its behalf by the undersigned duly authorized person.

2026-06-10	By	Tara Petta		AVP
Date		Name		Title

¹ Form 25 and attached Notice will be considered compliance with the provisions of 17 CFR 240.19d-1 as applicable. See General Instructions.

Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.