Arqit Quantum warrants delisted from Nasdaq

Arqit Quantum Inc. (ARQQ) is having its warrants removed from listing and registration on the Nasdaq Stock Market LLC under Section 12(b) of the Securities Exchange Act of 1934.

Rhea-AI Filing Summary

Arqit Quantum Inc. (ARQQ) is having its warrants removed from listing and registration on the Nasdaq Stock Market LLC under Section 12(b) of the Securities Exchange Act of 1934. Nasdaq states it has complied with its rules to strike this class of securities, and Arqit has complied with the Exchange’s rules and the requirements for voluntary withdrawal.

Key Terms

Form 25, Section 12(b), voluntary withdrawal, 17 CFR 240.12d2-2

4 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.

Section 12(b) regulatory

"from listing and/or registration under Section 12(b) of the Securities Exchange Act"

Section 12(b) of the U.S. Securities Exchange Act requires securities listed on a national stock exchange to be registered with the U.S. Securities and Exchange Commission (SEC) and to follow regular public reporting and disclosure rules. For investors, a 12(b) listing generally means more routine financial updates, regulatory oversight and easier buying and selling—like a storefront that must display its inventory and prices, making it simpler to inspect and trade the product.

voluntary withdrawal regulatory

"governing the voluntary withdrawal of the class of securities from listing"

17 CFR 240.12d2-2 regulatory

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

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.

FAQ

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

What does the Form 25 filing mean for Arqit Quantum Inc. (ARQQ) warrants?

The Form 25 filing states that Arqit Quantum Inc. warrants are being removed from listing and registration on the Nasdaq Stock Market LLC under Section 12(b) of the Exchange Act, after compliance with Nasdaq’s rules and applicable SEC regulations.

Which Arqit Quantum Inc. (ARQQ) security is affected by this Form 25?

The filing specifies that the affected security is a Warrant of Arqit Quantum Inc. It does not describe common shares, only this class of warrants being removed from listing and registration on Nasdaq.

Is the delisting of Arqit Quantum Inc. (ARQQ) warrants voluntary?

The notification states that, under 17 CFR 240.12d2-2(c), the Issuer has complied with the Exchange’s rules and the SEC requirements governing the voluntary withdrawal of the class of securities from listing and registration.

Who filed the Form 25 for Arqit Quantum Inc. (ARQQ) warrants?

The Form 25 is certified and signed on behalf of Nasdaq Stock Market LLC by Katelin Rowe, identified as a CDO Analyst, stating Nasdaq has reasonable grounds to believe it meets all requirements for filing the Form 25.

Under what rules are Arqit Quantum Inc. (ARQQ) warrants being removed from Nasdaq?

The removal references 17 CFR 240.12d2-2(b) for the Exchange striking the class from listing and 17 CFR 240.12d2-2(c) for the Issuer’s voluntary withdrawal, along with the general framework of Section 12(b) of the Exchange Act.

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

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Available on EDGAR 09/02/2026 - 04:15 PM Accepted by SEC EDGAR 09/02/2026 - 04:14 PM Learn about SEC filing dates

UNITED STATES

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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

001-40777

Issuer:	Arqit Quantum Inc.
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:	1st Floor, 3 More London Riverside
	London	UNITED KINGDOM	SE1 2RE
Telephone number:					+447787571610

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

Warrant

(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.

2026-09-02	By	Katelin Rowe		CDO Analyst
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.