Welcome to our dedicated page for Rio Tinto SEC filings (Ticker: RTNTF), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The SEC filings page for RIO TINTO LTD AUD2 ORD (RTNTF) provides access to U.S. regulatory documents submitted for Rio Tinto Limited as a foreign issuer. The company reports under the Exchange Act using Form 20-F and furnishes interim disclosures on Form 6-K, often jointly with Rio Tinto plc.
In these 6-K filings, Rio Tinto Limited supplies stock exchange announcements and media releases as exhibits. Filings referenced in the available data include announcements on total voting rights and issued capital, shareholdings of persons discharging managerial responsibility and key management personnel, Appendix 3Y notices of changes in directors’ interests, and Appendix 3G and 3H notifications covering the issue, conversion, payment up or cessation of securities.
Substantial shareholding information appears through Form 603 notices of initial substantial holders, Form 605 notices of ceasing to be substantial holders, and TR-1 standard forms for notification of major holdings. Dividend and distribution details are disclosed via Appendix 3A.1 notifications and notices of dividend currency exchange rates for interim dividends.
Operational and project developments are also captured in the 6-K exhibits. Media releases describe items such as third quarter production results, investment by the Robe River Joint Venture to extend the West Angelas iron ore mine in Western Australia, a transaction with the Canada Growth Fund to advance Canadian production of scandium, the start of operations at Simandou, the ELYSIS inert anode aluminium production cell, wind power arrangements for Kennecott, low-emissions steel making trials with Calix in Western Australia, production changes at the Yarwun Alumina Refinery, and a battery swap truck trial fleet at the Oyu Tolgoi mine.
On Stock Titan, these filings can be paired with AI-powered summaries that explain the key points of each document, from capital structure and major holdings to project and production updates. Users can quickly review new 6-K submissions, understand the implications of dividend notices and substantial holder forms, and examine historical disclosure patterns for Rio Tinto Limited associated with the RTNTF symbol.
Rio Tinto reported strong fourth quarter and full-year 2025 operating results, highlighted by an 8% year-on-year increase in copper equivalent production and 5% higher shipments. Pilbara iron ore achieved record quarterly production and shipments in Q4, with full-year Pilbara shipments of 326.2 Mt on a 100% basis, only slightly below 2024 despite earlier cyclone disruption. Copper production on a consolidated basis rose 11% to 883 kt for 2025, driven by the ramp-up of Oyu Tolgoi, where underground development is now complete and delivering record quarterly output. Bauxite reached a record 62.4 Mt, up 6%, aluminium rose 3% to 3.38 Mt and lithium carbonate equivalent production was 57 kt, reflecting growth in Argentina operations. The company met or exceeded its 2025 production guidance across product groups and kept 2026 production guidance unchanged from prior disclosures, while exploration and evaluation expense fell to $795 million from $935 million in 2024.
Rio Tinto plc and Rio Tinto Limited submitted a Form 6-K summarising several November 2025 corporate announcements. The report lists media releases covering a transaction with the Canada Growth Fund to advance Canadian scandium production, an update on total voting rights and issued capital, and the start of operations by Simandou partners. It also notes a breakthrough by ELYSIS with a commercial-size inert anode cell in aluminium production, a new wind power agreement for the Kennecott operations, and a partnership with Calix to test low-emissions steelmaking in Western Australia while pausing the BioIron project. In addition, Rio Tinto discloses plans to reduce production at the Yarwun Alumina Refinery to extend the asset’s operational life.
Rio Tinto plc and Rio Tinto Limited furnish a Form 6-K summarising multiple stock exchange and media announcements made in October 2025. The exhibits include notices on total voting rights and issued capital, several disclosures of shareholdings by persons discharging managerial responsibility and key management personnel, and various substantial holder notices. One announcement states that the Robe River Joint Venture will invest $733 million to extend the West Angelas iron ore mine in Western Australia, highlighting a significant capital project in the iron ore business. Other exhibits cover board changes, notifications of the issue and cessation of unquoted equity securities, publication of a prospectus, and a media release on launching a battery swap truck trial fleet at the Oyu Tolgoi mine with China’s State Power Investment Corporation.
Rio Tinto PLC filed a 6‑K that compiles recent Stock Exchange announcements covering changes in shareholdings by senior personnel, a director's interest notice, notifications about the interim dividend and its currency exchange rates, and a note on total voting rights and issued capital. Announcements referenced include PDMR/KMP disclosures dated 3 September 2025 and 12 September 2025, a director change notice dated 12 September 2025, dividend notifications dated 16 September 2025 and 29 September 2025, and a total voting rights statement. The filings are administrative disclosures that inform investors about ownership by key personnel, a director's transactions, and the mechanics of the interim dividend payment.