Thrasyvoulos Moraitis - 03 Sep 2026 Form 4 Insider Report for USA Rare Earth, Inc. (USAR)

Reporting relationship: President, Director
Issuer ticker: USAR
Reported as of: 03 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 08 Sep 2026, 16:53:49 UTC
Prior SEC filing: 21 Mar 2022
Source filing: View source filing
Reporting owner signature: /s/ Derek Ching, attorney-in-fact for Thrasyvoulos Moraitis

Key filing fact

Thrasyvoulos Moraitis filed Form 4 for USA Rare Earth, Inc. (USAR) on 08 Sep 2026.

Key facts

This page summarizes Thrasyvoulos Moraitis's Form 4 filing for USA Rare Earth, Inc. (USAR).
2 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 08 Sep 2026, 16:53.

Change

Previous filing in this sequence was filed on 21 Mar 2022.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001918084 Primary reporting owner

Moraitis Thrasyvoulos

Relationship: President, Director
Address: 100 W. AIRPORT ROAD, STILLWATER
Signature: /s/ Derek Ching, attorney-in-fact for Thrasyvoulos Moraitis
Signature date: 08 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

USAR holding

Common Stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,080,059
Date: 03 Sep 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

USAR transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +216,541
Change %
Price: $0.000000^*
Shares after: 216,541
Date: 03 Sep 2026
Ownership: Direct
Underlying class: Common Stock, par value $0.0001 per share
Underlying amount: 216,541
Exercise price
Footnotes: F1, F2

USAR transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +226,373
Change %
Price: $0.000000^*
Shares after: 226,373
Date: 03 Sep 2026
Ownership: Direct
Underlying class: Common Stock, par value $0.0001 per share
Underlying amount: 226,373
Exercise price
Footnotes: F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The restricted stock unit ("RSU") will vest in two tranches. The first tranche of 97,443 RSUs will vest on December 31, 2026 and the second tranche of 119,098 RSUs will vest on December 31, 2027.

Footnote F2

Each restricted stock unit represents the right to receive, at settlement, one (1) share of the Issuer's common stock.

Footnote F3

The RSU vests upon obtaining age 65; however the underlying shares will be released to the reporting person in two equal tranches upon "separation from service" on or after age 65 or as a "good leaver" (subject to six-month delay under Section 409A of the Internal Revenue Code), and on the first anniversary of such separation.

SEC remarks

Exhibit 24