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USAR · Current Report (Form 8-K) · Filed April 9, 2026

USA Rare Earth Inc — Current Report (Form 8-K)

Form
8-K
Filed
April 9, 2026
Period
Apr 9, 2026
Ticker
USAR
Accession
0001970622-26-000026
Boardroom Alpha · Filing insights

USA Rare Earth signs term sheet for minority Carester investment with oxide output rights, IP access, and Round Top feedstock.

About USA Rare Earth Inc
Market cap
$6.8B
1Y TSR
+122.7%
3Y TSR
+37.0%
Board grade
B-
Sector
Basic Materials
CEO
Barbara Humpton
Last annual meeting: Jun 3, 2026 · View full USA Rare Earth Inc profile →
usar-20260409

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT

Pursuant to Section 13 OR 15(d)
of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 9, 2026

USA Rare Earth Logo.jpg
USA Rare Earth, Inc.
(Exact Name of Registrant as Specified in its Charter)

Delaware001-4171198-1720278
(State or Other Jurisdiction of Incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

100 W. Airport Road, Stillwater, OK 74075
(Address of Principal Executive Offices) (Zip Code)

(813) 867-6155
(Registrant’s telephone number, including area code)

Not applicable
(Former Name or Former Address, if Changed Since Last Report)


Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered
Common Stock, par value $0.0001USAR
The Nasdaq Stock Market LLC
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company  ☑
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐


Item 7.01    Regulation FD Disclosure

On April 9, 2026, USA Rare Earth, Inc. (the “Company”) issued a press release announcing that it has entered into a term sheet with respect to a minority investment in Carester SAS, a leader in rare earth processing and separation (“Carester”), a right to purchase some of Carester’s oxide output, access to Carester’s engineering capabilities and IP for separation, processing and recycling, and a supply arrangement for heavy rare earth feedstock from the Company’s Round Top deposit. Closing of the contemplated transaction is subject to customary conditions, including confirmatory due diligence and negotiation and execution of definitive documentation. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated by reference herein. A copy of the Company’s investor presentation related to the Carester transaction is furnished herewith as Exhibit 99.2 and is incorporated by reference herein.

The information provided under this Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1 and Exhibit 99.2, is “furnished” and shall not be deemed “filed” with the SEC or incorporated by reference in any filing under the Securities Exchange Act of 1934, as amended (the “Exchange Act”).

Item 9.01    Financial Statements and Exhibits

(d) Exhibits

The following exhibits are attached with this current report on Form 8-K.

Exhibit NumberDescription
Press Release, dated April 9, 2026.
104Cover Page Interactive Data File (embedded within the Inline XBRL document).
*    Filed herewith.



SIGNATURE


Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

USA Rare Earth, Inc.
Date:
April 9, 2026
By:
/s/ VALERIE FORD JACOB
Valerie Ford Jacob
Chief Legal Officer


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Reference

Frequently asked questions

When did USA Rare Earth Inc file this 8-K?
USA Rare Earth Inc (USAR) filed this Current Report (Form 8-K) with the SEC on April 9, 2026. The accession number assigned by EDGAR is 0001970622-26-000026.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
USA Rare Earth signs term sheet for minority Carester investment with oxide output rights, IP access, and Round Top feedstock. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find USA Rare Earth Inc's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K USA Rare Earth Inc has filed under CIK 1970622, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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