[Form 4] USA Rare Earth, Inc. Insider Trading Activity

Rhea-AI Filing Summary

USA Rare Earth (USAR): Director Carolyn Trabuco reported an equity award on a Form 4. She received 5,054 restricted stock units (RSUs) on October 1, 2025 at a price of $0 per unit. Each RSU represents the right to receive one share of common stock at settlement.

The RSUs are scheduled to vest on October 1, 2026, or on the first trading day of the next open window under the company’s Insider Trading Policy, pursuant to the Amended and Restated 2024 Omnibus Incentive Plan.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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hours per response:			0.5

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 for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Trabuco Carolyn

(Last) (First) (Middle)

100 W AIRPORT ROAD

(Street)

STILWATER OK 74075

(City) (State) (Zip)

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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2025

4. If Amendment, Date of 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

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

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 Securities Underlying Derivative Security (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: 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)	$0	10/01/2025		A		5,054(1)		(2)	(2)	Common Stock, par value $0.0001 per share	5,054	$0	5,054	D

Explanation of Responses:

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 on October 1, 2026. 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.

Remarks:

	/s/ David Kronenfeld, attorney-in-fact for Carolyn Trabuco	10/03/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did USA Rare Earth (USAR) disclose in this Form 4?

A director, Carolyn Trabuco, reported receiving 5,054 RSUs on October 1, 2025.

How many RSUs were granted to the USAR director?

The filing shows a grant of 5,054 restricted stock units.

When do the USAR RSUs vest?

They vest on October 1, 2026, or the first trading day of the next open window under the Insider Trading Policy.

What does each RSU represent for USAR?

Each RSU represents the right to receive one share of USA Rare Earth common stock at settlement.

Was there a purchase price for the USAR RSUs?

No. The RSUs were reported at a price of $0.

Under which plan were the USAR RSUs granted?

They were granted under the Amended and Restated 2024 Omnibus Incentive Plan.

What is the reporting person’s relationship to USAR?

The reporting person is a Director of USA Rare Earth.