Arm Holdings (ARM) files Form 6-K with U.K. Annual Report for FY 2025

Rhea-AI Filing Summary

Arm Holdings plc filed a Form 6-K for September 2025 to furnish its U.K. Annual Report and Accounts as an exhibit. The filing identifies the document as the U.K. Annual Report and Accounts for the fiscal year ended March 31, 2025, attached as Exhibit 99.1. The report is signed on behalf of the company by Laura Bartels, Chief Accounting Officer and Principal Accounting Officer.

Form 6-K: How Foreign Companies Report to the SEC →

000197323903-31ARM HOLDINGS PLC /UK2026Q29/18/2025false00019732392025-09-182025-09-18

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of September, 2025

Commission File Number 001-41800

Arm Holdings plc

110 Fulbourn Road

Cambridge CB1 9NJ

United Kingdom

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒    Form 40-F ☐

EXHIBIT INDEX

Exhibit Number			Description
99.1			U.K. Annual Report and Accounts for the fiscal year ended March 31, 2025

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

			ARM HOLDINGS PLC
Date: September 18, 2025			By:			/s/ Laura Bartels
			Name:			Laura Bartels
			Title:			Chief Accounting Officer (Principal Accounting Officer)

FAQ

What did Arm (ARM) file in this Form 6-K?

Arm Holdings plc filed a Form 6-K for the month of September 2025 to furnish its U.K. Annual Report and Accounts as an exhibit.

Which financial period does Arm’s U.K. Annual Report cover?

The U.K. Annual Report and Accounts attached as Exhibit 99.1 cover the fiscal year ended March 31, 2025.

How is the U.K. Annual Report referenced in the Arm Form 6-K?

The U.K. Annual Report and Accounts for the fiscal year ended March 31, 2025 is listed in the exhibit index as Exhibit 99.1.

Who signed this Arm Holdings plc Form 6-K?

The Form 6-K was signed on behalf of Arm Holdings plc by Laura Bartels, Chief Accounting Officer and Principal Accounting Officer.

What is the principal executive office address of Arm Holdings plc?

The principal executive office of Arm Holdings plc is listed as 110 Fulbourn Road, Cambridge CB1 9NJ, United Kingdom.

Does Arm indicate which annual report form it uses with the SEC?

Yes. The Form 6-K references that the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.