6-K 1 form6k2025oct.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
For the month of October 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 1 October 2025 entitled ‘Total Voting Rights and Issued Capital’.
99.2 Stock Exchange announcement dated 2 October 2025 entitled ‘Shareholdings of persons discharging managerial responsibility (PDMR) / Key Management Personnel (KMP)’.
99.3 Stock Exchange announcement dated 3 October 2025 entitled ‘Shareholdings of persons discharging managerial responsibility (PDMR) / Key Management Personnel (KMP)’.
99.4 Stock Exchange announcement dated 3 October 2025 entitled ‘Appendix 3Y – Change of Director’s Interest Notice’.
99.5 Stock Exchange announcement dated 5 October 2025 entitled ‘Form 603 – Notice of initial substantial holder’.
99.6 Stock Exchange announcement dated 7 October 2025 entitled ‘Robe River Joint Venture to invest $733 million to extend West Angelas iron ore mine in Western Australia’.
99.7 Stock Exchange announcement dated 8 October 2025 entitled ‘Appendix 3G – Notification of issue, conversion or payment up of unquoted equity securities’.
99.8 Stock Exchange announcement dated 8 October 2025 entitled ‘Appendix 3H – Notification of cessation of securities’.
99.9 Stock Exchange announcement dated 8 October 2025 entitled ‘Form 603 – Notice of initial substantial holder’.
99.10 Stock Exchange announcement dated 9 October 2025 entitled ‘Appendix 3G – Notification of issue, conversion or payment up of unquoted equity securities’.
99.11 Stock Exchange announcement dated 9 October 2025 entitled ‘Form 605 – Notice of ceasing to be a substantial holder’.
99.12 Stock Exchange announcement dated 10 October 2025 entitled ‘TR-1: Standard form for notification of major holdings’.
99.13 Stock Exchange announcement dated 22 October 2025 entitled ‘Shareholdings of persons discharging managerial responsibility (PDMR) / Key Management Personnel (KMP)’.
99.14 Stock Exchange announcement dated 24 October 2025 entitled ‘Rio Tinto Board changes’.
99.15 Media release dated 27 October 2025 entitled ‘Rio Tinto and China’s State Power Investment Corporation launch batter swap truck trial fleet at Oyu Tolgoi mine’.
99.16 Stock Exchange announcement dated 31 October 2025 entitled ‘Publication of Prospectus’.

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 | 3 November 2025 | Date | 3 November 2025