5E Advanced Materials Files 8-K

TL;DR

5E Advanced Materials filed an 8-K, likely with updates. Watch for details.

AI Summary

On November 15, 2025, 5E Advanced Materials, Inc. filed an 8-K report. The filing primarily concerns Regulation FD Disclosure, Other Events, and Financial Statements and Exhibits. No specific financial figures or new material events were detailed in the provided excerpt.

Why It Matters

This 8-K filing indicates that 5E Advanced Materials, Inc. is providing updates or disclosures to the SEC, which could contain material information for investors.

Risk Assessment

Risk Level: low — The provided excerpt is a standard 8-K filing cover page and does not contain specific material events or financial data that would indicate a high-risk situation.

Key Players & Entities

• 5E Advanced Materials, Inc. (company) — Registrant
• November 15, 2025 (date) — Date of earliest event reported
• 9329 Mariposa Road, Suite 210 (location) — Principal Executive Offices Address
• Hesperia, California (location) — Principal Executive Offices City and State
• 92344 (location) — Principal Executive Offices Zip Code

FAQ

Key Financial Figures

• $0.01 — nge on which registered Common stock, $0.01 par value per share FEAM The Nasdaq

Filing Documents

• feam-20251115.htm (8-K) — 540KB
• feam-ex99_1.htm (EX-99.1) — 68KB
• img180512602_0.jpg (GRAPHIC) — 319KB
• img180512602_1.jpg (GRAPHIC) — 239KB
• 0001193125-25-286999.txt ( ) — 1503KB
• feam-20251115.xsd (EX-101.SCH) — 24KB
• feam-20251115_htm.xml (XML) — 5KB

01 Regulation FD Disclosure

Item 7.01 Regulation FD Disclosure On November 19, 2025, 5E Advanced Materials, Inc. (the "Company" or "5E") issued a press release announcing the disclosure of an updated mineral resource estimate, effective November 15, 2025, for its 5E Boron Americas (Fort Cady) Complex located in the Mojave Desert near Newberry Springs, California (the "Project"). A copy of the Company's press release dated November 19, 2025 relating to the updated mineral resource estimate is furnished as Exhibit 99.1 to this Form 8-K. The information contained in Exhibit 99.1 hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any other filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing.

01 Other Events

Item 8.01 Other Events. Updated Mineral Resource Estimate On November 15, 2025, the Company received an updated mineral resource estimate for the Project. The updated mineral resource estimate was prepared by Mr. Steven Kerr of Escalante Geological Services, LLC, one of the Qualified Persons with respect to the Company's Preliminary Feasibility Study Technical Report Summary (the "PFS") filed with the U.S. Securities and Exchange Commission (the "SEC") on Form 8-K on August 7, 2025. The new mineral resource estimate updates the prior estimate dated March 10, 2025, and incorporates mineral resource from additional lode claims the Company staked and filed with the U.S. Bureau of Land Management and recorded in San Bernardino County in August 2025. The updated mineral resource estimate identified 61.9 million short tons of measured ore, containing 9.1 million short tons of in-situ boric acid (H 3 BO 3 ), with an average grade of 8.34% (B 2 O 3 ), and 138.6 million short tons of indicated ore, containing 19.2 million short tons of in-situ boric acid (H 3 BO 3 ), with an average grade of 7.97% (B 2 O 3 ). On a combined basis, measured plus indicated mineral resource represent 28.3 million tons of boric acid, with an average grade of 8.09% (B 2 O 3 ), which represents an increase of 10.8 million tons, or 61%, as compared to the prior resource estimate. The updated mineral resource estimate also identified an aggregate measured plus indicated mineral resource estimate of 328 thousand tons of lithium carbonate equivalent ("LCE"), with an average grade of 0.17% LCE, an increase of 115 thousand tons, or 54%, as compared to the prior resource estimate. Each of these increases relate exclusively to the addition of mineral resource that resulted from the aforementioned additional lode claims. The mineral reserves and Project economics previously disclosed in the Company's PFS are unchanged as a result of the updated mineral resource estimate and remain current and valid

Forward-Looking Statements

Forward-Looking Statements This Current Report on Form 8-K contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, as amended. All statements contained in this Current Report on Form 8-K that do not relate to matters of historical fact should be considered forward-looking statements, including without limitation statements regarding the Project's mineral resource and reserve estimates and assumptions; the economic potential of the Project; our ability to establish or defend our mineral tenure; and our ability to produce boron, lithium or their related byproducts. These statements are based on management's current assumptions and are neither promises nor guarantees, but involve known and unknown risks, uncertainties and other important factors that may cause the Company's actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements. For other important factors that could cause actual results to differ materially from the forward-looking statements in this Current Report on Form 8-K, please see the risks and uncertainties identified under the heading "Risk Factors" in our Annual Report on Form 10-K for the fiscal year ended June 30, 2025, as updated by the Company's other filings with the SEC, including the Company's Forms 10-Q and Forms 8-K, as well as in its filings with the Australian Securities Exchange. All forward-looking statements reflect the Company's beliefs and assumptions only as of the date of this Current Report on Form 8-K. The Company undertakes no obligation to update forward-looking statements to reflect future events or circumstances.

01 Financial Statements and Exhibits

Item 9.01 Financial Statements and Exhibits. (d) Exhibits Exhibit No. Description 99.1 Press Release dated November 19, 2025. 104 Cover Page Interactive Data File (embedded within the inline XBRL document).

SIGNATURES

SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. 5E Advanced Materials, Inc. Date: November 19, 2025 By: /s/ Paul Weibel Paul Weibel Chief Executive Officer

View Full Filing

View this 8-K filing on SEC EDGAR