6-K 1 form6k20251204capmrktday.htm 6-K
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
December 4, 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 4 December 2025 entitled ‘Stronger, sharper and simpler Rio Tinto to deliver leading returns’.
99.2 Presentation slides dated 4 December 2025 entitled ‘Capital Markets Day’.

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 | 4 December 2025 | Date | 4 December 2025