Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Humpton Barbara 2. Issuer Name and Ticker or Trading Symbol USA Rare Earth, Inc. [USAR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Executive Officer (Last) (First) (Middle) 100 W AIRPORT BLVD. 3. Date of Earliest Transaction (Month/Day/Year) 10/01/2025 (Street) STILLWATER, OK 74075 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Restricted Stock Units(1)

(1)

10/01/2025

A

250,662(2)

(2)

(2)

Common Stock, par value $0.0001 per share

250,662

$ 0

250,662

D

Restricted Stock Units(1)

(1)

10/01/2025

A

313,327(2)

(2)

(2)

Common Stock, par value $0.0001 per share

313,327

$ 0

313,327

D

Restricted Stock Units(1)

(1)

10/01/2025

A

62,666(3)

(3)

(3)

Common Stock, par value $0.0001 per share

62,666

$ 0

62,666

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Humpton Barbara 100 W AIRPORT BLVD. STILLWATER, OK 74075	X		Chief Executive Officer

Signatures

/s/ David Kronenfeld, attorney-in-fact for Barbara Humpton		10/03/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Each restricted stock unit represents the right to receive, at settlement, one (1) share of the Issuer's common stock.
(2)	The restricted stock unit ("RSU") will vest in three equal tranches. 33 1/3% of the RSU will vest on October 1, 2026, October 1, 2027 and October 1, 2028, respectively. If the vesting date occurs during a closed Trading Window under the Issuer's Insider Trading Policy, then the RSUs shall vest on the first Trading Day of the next open Trading Window pursuant to the Issuer's Insider Trading Policy, subject in all cases to any applicable outside dates required to comply with applicable tax laws and the terms of the Issuer's Amended and Restated 2024 Omnibus Incentive Plan.
(3)	The restricted stock unit ("RSU") will vest in two equal tranches. 50% of the RSU will vest on October 1, 2026 and October 1, 2027, respectively. If the vesting date occurs during a closed Trading Window under the Issuer's Insider Trading Policy, then the RSUs shall vest on the first Trading Day of the next open Trading Window pursuant to the Issuer's Insider Trading Policy, subject in all cases to any applicable outside dates required to comply with applicable tax laws and the terms of the Issuer's Amended and Restated 2024 Omnibus Incentive Plan.

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