Welcome to our dedicated page for Ioneer SEC filings (Ticker: GSCCF), 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 ioneer Ltd (GSCCF) on Stock Titan provides access to the company’s U.S. regulatory submissions as a foreign private issuer. The available records show that ioneer Ltd files annual reports on Form 20-F and furnishes interim information on Form 6-K pursuant to Rule 13a‑16 or 15d‑16 of the Securities Exchange Act of 1934.
Within its Form 6-K filings, ioneer Ltd lists several types of exhibits, including press releases, a quarterly report, a 2025 annual report, and a 2025 sustainability report, identified with exhibit numbers such as 99.1 and 99.2. One Form 6-K states that a press release attached as Exhibit 99.1 is incorporated by reference into a registration statement on Form S-8 of ioneer Ltd, making that press release part of the S-8 filing from the date the report is filed unless superseded.
On Stock Titan, these filings are presented with AI-powered summaries that help explain the structure and focus of each document. Users can see which filings are Form 6-K current reports, which are annual Form 20-F submissions, and which exhibits correspond to items such as annual reports, quarterly reports, or sustainability disclosures.
The page updates as new filings are made available through the SEC’s EDGAR system, allowing investors to follow ioneer Ltd’s reporting history in one place. By reviewing the filings and their summaries, users can better understand how the company communicates with the market, which documents are incorporated into registration statements, and how its reporting pattern evolves over time.
Ioneer Ltd reports on a six‑month transition period to 31 December 2025 focused on advancing the Rhyolite Ridge lithium‑boron project toward a Final Investment Decision and securing a strategic equity partner. The group recorded a net loss after tax of $4.07 million, compared with $9.55 million for the prior 12‑month year, and ended the period with net cash of $17.86 million.
Test work reduced vat leach time from three days to 1.5 days, lifting unlevered project NPV by 64% to $2.23 billion and unlevered IRR to 18% with only a modest capital increase. A $996 million U.S. Department of Energy loan remains in place, and in February 2026 the company completed an equity placement raising about US$50 million to fund early works and project readiness. Engineering is around 70% complete, key federal and state permits for construction are in hand, and an environmental lawsuit against the federal Record of Decision has completed briefing and is awaiting court review.
ioneer Ltd executive Nagai Yoshio filed an initial ownership report showing direct holding of 7,935,490 Ordinary Shares. This includes 196,780 shares underlying units that vest on July 1, 2026, 457,738 vesting on July 1, 2027, 834,135 vesting on January 1, 2029, and 599,576 vesting on September 1, 2026.
ioneer Ltd executive Chad Yeftich, VP Corporate Development & External Affairs, reports direct ownership of ordinary shares and American Depositary Shares. He holds 6,889,701 ordinary shares directly, including time-based units scheduled to vest on July 1, 2026, July 1, 2027, and January 1, 2029. He also holds American Depositary Shares that are convertible at any time into 292,800 ordinary shares, represented by 7,320 American Depositary Shares, with no expiration date.
ioneer Ltd filed an initial insider ownership report for Chief Financial Officer April Hashimoto. This Form 3 identifies her as an officer of the company but does not list any stock or option transactions, so it serves mainly as a baseline disclosure of her status as a reporting insider.
ioneer Ltd senior vice president of engineering operations Matthew Weaver filed an initial statement of ownership showing a significant equity position. He directly holds 11,159,727 Ordinary Shares, including 1,140,516 shares underlying time-based units vesting on January 7, 2027 and 2,078,361 shares underlying units vesting on January 1, 2029. He also has exposure through American Depositary Shares, represented by 48,594 ADSs, each convertible into 40 Ordinary Shares, with no expiration date. The filing records ownership rather than any new share purchases or sales.
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.
Ioneer Ltd launched an institutional placement of approximately US$50.4 million (A$72 million) through the issue of about 400 million new ordinary shares, equal to 15% of its existing share base. The new shares are priced at A$0.18, a 14.3% discount to the last closing price of A$0.21 and a 19.4% discount to the 5‑day VWAP of A$0.22.
Proceeds are earmarked for long lead items and early works, advancing project readiness, environmental and permitting costs, other Rhyolite Ridge project expenses, working capital, obligations under the US$996 million DOE loan and general corporate purposes. Pro forma cash is expected to be about US$68.3 million, including an unaudited US$17.9 million cash balance as of 31 December 2025.
The Rhyolite Ridge lithium‑boron project is described as fully permitted and shovel ready, with a 265.5 Mt ore reserve supporting a 77‑year mine life and average annual production of 20,400 tonnes of lithium carbonate equivalent and 70,700 tonnes of boric acid. Updated project economics show an unlevered NPV8 of US$2.237 billion, unlevered IRR of 18.0% and average annual EBITDA of US$417 million, with all‑in sustaining cash costs indicating bottom‑quartile operating costs.
Ioneer Ltd is raising approximately US$50 million (about A$72 million) through a single‑tranche share placement to institutional, professional and sophisticated investors. The company will issue about 400 million new ordinary shares at A$0.18 (~US$0.13) per share, a 14.3% discount to the prior closing price.
Ioneer plans to use the funds to accelerate development of its 100% owned Rhyolite Ridge Lithium‑Boron Project in Nevada, supporting progress toward construction and onshoring of two critical minerals in the United States. Management highlights strong investor support and views the raise as reinforcing confidence in the project’s strategic importance.
The new shares will rank equally with existing ordinary shares. The placement is being led by Bell Potter Securities and Canaccord Genuity (Australia), with settlement and trading of the new shares expected in early February 2026, subject to ASX confirmation.