Rio Tinto Group
    SEC Filings

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    All SEC filings by Rio Tinto Group (RIO) — annual and quarterly reports, current reports, registrations, proxies and ownership forms, updated in real time.

    Financials

    20-FAnnual report (foreign)View DiffFeb 19, 2026
    20-FAnnual report (foreign)View DiffFeb 20, 2025
    20-FAnnual report (foreign)View DiffFeb 23, 2024
    20-F/AAnnual report (foreign)Mar 30, 2023
    20-FAnnual report (foreign)View DiffFeb 24, 2023
    20-FAnnual report (foreign)View DiffFeb 25, 2022
    20-FAnnual report (foreign)View DiffMar 2, 2021
    20-FAnnual report (foreign)View DiffFeb 28, 2020
    20-FAnnual report (foreign)View DiffMar 4, 2019
    20-F/AAnnual report (foreign)Mar 29, 2018

    Events

    6-KCurrent report (foreign)Sep 1, 2026
    6-KCurrent report (foreign)Aug 3, 2026
    6-KUnaudited Condensed Consolidated Interim Financial Reportfor the Six Months EndedJul 29, 2026
    6-KCurrent report (foreign)Jul 15, 2026
    6-KIn Accordance with the Financial Conduct Authoritys (fca) Disclosure Guidance and Transparency Rule 5.6.1r, Rio Tinto Plc Notifies the Market That as of 29 May 2026Jul 1, 2026
    6-KCurrent report (foreign)Jun 1, 2026
    6-KCurrent report (foreign)May 14, 2026
    6-KCurrent report (foreign)May 6, 2026
    6-KCurrent report (foreign)May 1, 2026
    6-KCurrent report (foreign)Apr 21, 2026

    Registrations and Prospectuses

    F-3ASRAutomatic shelf registration (foreign)May 7, 2026
    F-6Registration for ADRs (foreign)Mar 19, 2025
    8-A12BRegistration of securities on exchangeMar 14, 2025
    424B5Prospectus supplement for primary offeringMar 13, 2025
    FWPFree writing prospectusMar 11, 2025
    424B2Prospectus for primary offeringMar 10, 2025
    S-8Registration of securities for employeesMar 7, 2025
    S-8Registration of securities for employeesMar 7, 2025
    S-8Registration of securities for employeesMar 7, 2025
    F-3ASRAutomatic shelf registration (foreign)May 5, 2023

    Proxies

    DEFA14AAdditional proxy soliciting materialsOct 9, 2024
    DEFA14AAdditional proxy soliciting materialsOct 9, 2024
    PX14A6GLetter to shareholdersApr 6, 2016

    Other

    SDConflict minerals disclosureSep 1, 2026
    SDConflict minerals disclosureApr 8, 2026
    IRANNOTICEDisclosure regarding Iran Threat Reduction and Syria Human Rights ActFeb 19, 2026
    SDConflict minerals disclosureSep 11, 2025
    SDConflict minerals disclosureApr 24, 2025
    EFFECTNotice of effectivenessMar 28, 2025
    CERTCertification of approval for exchange listingMar 14, 2025
    IRANNOTICEDisclosure regarding Iran Threat Reduction and Syria Human Rights ActFeb 20, 2025
    SDConflict minerals disclosureSep 6, 2024
    SDConflict minerals disclosureApr 16, 2024

    Ownership

    SC 13D/ABeneficial ownership reportApr 1, 2026
    SC 13D/ABeneficial ownership reportJun 18, 2025
    SC 13G/ARio Tinto PlcApr 23, 2025
    SC 13G/ABeneficial ownership reportJan 25, 2024
    SC 13D/AWestern Copper & Gold CorpNov 29, 2023
    SC 13G/ABeneficial ownership reportFeb 13, 2023
    SC 13D/ATurquoise Hill Resources Ltd.Dec 16, 2022
    SC 13D/ATurquoise Hill Resources Ltd.Nov 25, 2022
    SC 13DWestern Copper & Gold CorpNov 23, 2022
    SC 13D/ATurquoise Hill Resources Ltd.Nov 17, 2022