Rio Tinto (RIO) Form 6-K notes operating model and executive team updates

Rhea-AI Filing Summary

Rio Tinto plc and Rio Tinto Limited submitted a Form 6-K as foreign private issuers. The filing primarily forwards a stock exchange announcement dated 27 August 2025 titled “Rio Tinto announces operating model and executive team updates to unlock additional shareholder value.”

The Form 6-K itself is administrative, indicating that the detailed information on changes to the operating model and executive team is contained in Exhibit 99.1, rather than in the body of this report.

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

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

27 August 2025

Commission file number: 001-10533	Commission file number: 001-34121
Rio Tinto plc	Rio Tinto Limited
	ABN 96 004 458 404
(Translation of registrant’s name into English)	(Translation of registrant’s name into English)
6 St. James’s Square	Level 43, 120 Collins Street
London, SW1Y 4AD, United Kingdom	Melbourne, Victoria 3000, Australia
(Address of principal executive offices)	(Address of principal executive offices)

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 ☐

EXHIBITS

99.1 Stock Exchange announcement dated 27 August 2025 entitled ‘ Rio Tinto announces operating model

and executive team updates to unlock additional shareholder value ’.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrants have duly caused

this report to be signed on their behalf by the undersigned, thereunto duly authorised.

Rio Tinto plc		Rio Tinto Limited
(Registrant)		(Registrant)
By	/s/ Andrew Hodges	By	/s/ Tim Paine
Name	Andrew Hodges	Name	Tim Paine
Title	Company Secretary	Title	Company Secretary
Date	27 August 2025	Date	27 August 2025

FAQ

What does Rio Tinto (RIO) report in this Form 6-K filing?

Rio Tinto’s Form 6-K forwards a stock exchange announcement about operating model and executive team updates. The detailed changes are contained in Exhibit 99.1, which is titled to highlight efforts to unlock additional shareholder value.

What is Exhibit 99.1 in Rio Tinto’s 27 August 2025 Form 6-K?

Exhibit 99.1 is a stock exchange announcement dated 27 August 2025 titled “Rio Tinto announces operating model and executive team updates to unlock additional shareholder value.” It contains the substantive details referenced by the Form 6-K cover.

Why did Rio Tinto file this Form 6-K with the SEC?

Rio Tinto filed this Form 6-K to furnish U.S. investors with its 27 August 2025 stock exchange announcement. As a foreign private issuer, it uses Form 6-K to transmit such market announcements to comply with U.S. disclosure requirements.

Does the Rio Tinto Form 6-K include financial results or earnings data?

No, the provided Form 6-K text contains no financial results or earnings data. It serves mainly as a cover document indicating that detailed information on operating model and executive team updates is available in the attached Exhibit 99.1 announcement.

Who signed Rio Tinto’s Form 6-K dated 27 August 2025?

The Form 6-K was signed on behalf of Rio Tinto plc by Company Secretary Andrew Hodges and on behalf of Rio Tinto Limited by Company Secretary Tim Paine, both dated 27 August 2025 in their respective registrant capacities.

Where are Rio Tinto plc and Rio Tinto Limited headquartered according to this filing?

According to the filing, Rio Tinto plc lists its principal executive offices at 6 St. James’s Square, London, SW1Y 4AD, United Kingdom, while Rio Tinto Limited lists Level 43, 120 Collins Street, Melbourne, Victoria 3000, Australia as its principal executive offices.