Welcome to our dedicated page for ioneer SEC filings (Ticker: IONR), 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 Ioneer Ltd (IONR) SEC filings page on Stock Titan provides access to the company’s U.S. regulatory disclosures as a foreign private issuer. Ioneer files an annual report on Form 20-F and furnishes interim information on Form 6-K, which can include press releases, annual reports, sustainability reports, and other material updates related to the Rhyolite Ridge Lithium-Boron Project in Nevada.
Recent 6-K filings referenced in public data include exhibits such as the company’s annual report and sustainability report, as well as project-related press releases. These documents give investors insight into Ioneer’s progress on federal permitting under the National Environmental Policy Act, its agreement with Sibanye-Stillwater for a 50% interest in Rhyolite Ridge, conditional and finalized loan arrangements with the U.S. Department of Energy’s Loan Programs Office under the Advanced Technology Vehicles Manufacturing program, and offtake agreements with major EV and battery manufacturers.
Through Stock Titan, users can review Ioneer’s SEC submissions in one place and use AI-powered tools to summarize key points from lengthy filings. For example, AI summaries can help highlight how the company describes the scale and economics of Rhyolite Ridge in its 20-F, the environmental and permitting status discussed in attached reports, and the terms of financing and joint venture arrangements outlined in furnished press releases.
This page is useful for investors who want to see how Ioneer presents its business, risks, and sustainability initiatives in formal regulatory documents. It also helps track recurring themes in the company’s disclosures, such as its focus on lithium–boron production, domestic critical mineral supply chains, and environmental stewardship at Rhyolite Ridge.
Ioneer Ltd reports that the U.S. District Court for the District of Nevada has upheld federal approval of its Rhyolite Ridge Lithium-Boron Project mine plan, rejecting all legal challenges. The court confirmed that federal agencies complied with key U.S. environmental laws in their review.
The Nevada project aims to supply lithium and boron for batteries, permanent magnets, semiconductors, energy storage and defense uses, supporting a more secure U.S. supply chain. Ioneer describes the ruling as a significant milestone that lets it continue advancing toward construction and completing its strategic partnering process.
Ioneer is the 100% owner of Rhyolite Ridge, which previously secured a US$996 million loan from the U.S. Department of Energy’s Energy Dominance Financing Program in January 2025 and received its final federal permit from the Bureau of Land Management in October 2024. The company has offtake agreements with Ford, Prime Planet Energy & Solutions and EcoPro Innovation.
ioneer Ltd director Timothy Roy Woodall reported an open-market purchase of 200,000 Ordinary Shares of the company. The shares were bought at an average price of $0.108 per share. After this transaction, his direct ownership increased to 963,083 Ordinary Shares, indicating a larger personal stake in the company.
ioneer Ltd director Timothy Roy Woodall filed an amended Form 3 to correct his reported beneficial ownership of Ordinary Shares. The amendment states that as of March 18, 2026, he beneficially owned 763,083 Ordinary Shares, instead of the 563,103 shares previously reported.
The updated figure includes 188,083 Ordinary Shares underlying time-based units that vest on November 2, 2026 and 200,000 Ordinary Shares underlying time-based units that vest on May 4, 2028. This filing does not reflect a new trade but a correction to prior disclosure.
ioneer Ltd filed a Form 6‑K providing its 2025 Corporate Governance Statement and an Appendix 4G cross‑referencing ASX governance recommendations. The Board operates under formal charters, with four standing committees covering audit and risk, nominations and remuneration, project execution and environmental, health, safety and sustainability.
The Board has a majority of independent non‑executive directors, although the Executive Chair is not considered independent. Ioneer reports gender diversity across the organisation and has a formal diversity policy, but does not set measurable gender targets because of legal and regulatory constraints in some jurisdictions. The company highlights risk oversight for its planned Rhyolite Ridge project in Nevada, uses an external auditor but has no formal internal audit function, and maintains policies on continuous disclosure, whistleblowing, and anti‑bribery and corruption.
ioneer Ltd executive Kenneth D. Coon, Vice President of Human Resources, has filed an initial ownership report showing substantial direct equity holdings. He directly owns 3,438,962 ordinary shares, including 185,642 shares in units vesting on July 1, 2026, 431,950 shares vesting on July 1, 2027, and 787,141 shares vesting on January 1, 2029. He also has exposure through 44,451 American Depositary Shares, each convertible into 40 ordinary shares, representing 1,778,040 ordinary shares, with no expiration date.
ioneer Ltd director Timothy Roy Woodall filed an initial ownership report showing beneficial ownership of 563,103 Ordinary Shares. This total includes 188,103 Ordinary Shares underlying time-based units that are scheduled to vest on November 2, 2026, reflecting both current and future equity interests.
ioneer Ltd director Benard Rowe filed an initial ownership report showing sizable direct and indirect stakes. He directly holds 20,289,111 Ordinary Shares and indirectly holds 36,690,902 Ordinary Shares through Mopti Pty Limited and Mopti Management Pty Limited. In addition, 400,000 American Depositary Shares, held indirectly via Mopti Pty Limited, are convertible into 16,000,000 underlying Ordinary Shares at any time, with no expiration date.
ioneer Ltd director Margaret R. Walker has filed an initial ownership report showing a substantial personal stake in the company. She directly holds 990,343 ordinary shares, including 188,103 ordinary shares underlying time-based units that vest on November 2, 2026.
Walker also has exposure through American Depositary Shares. She holds American Depositary Shares representing 353,120 underlying ordinary shares, noted as 8,828 American Depositary Shares. Each American Depositary Share is convertible at any time into 40 ordinary shares and has no expiration date, giving her ongoing flexibility in how this position is held.
ioneer Ltd director Rose Mckinney-James has filed an initial Form 3 reporting her ownership in the company. The filing shows beneficial ownership of 990,363 Ordinary Shares on a direct basis, including 188,103 Ordinary Shares underlying time-based units that are scheduled to vest on November 2, 2026. This is an initial ownership report rather than a new purchase or sale of shares.
ioneer Ltd has issued and applied for quotation of 400,000,000 INR ordinary fully paid shares on the ASX, linked to a placement previously outlined in an Appendix 3B dated 30-Jan-2026. These shares are being issued for cash consideration and will rank as quoted securities.
Following quotation of these new shares, the company will have 3,074,633,957 INR ordinary fully paid shares quoted on ASX and 76,665,846 INRAS performance rights unquoted. The new shares are scheduled to be quoted with an issue date of 5-Feb-2026.