Paul J. Kern - 20 May 2026 Form 4 Insider Report for USA Rare Earth, Inc. (USAR)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
21 May 2026, 16:19:55 UTC
Prior SEC filing
15 May 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ David Kronenfeld, attorney-in-fact for Paul J. Kern

Key filing fact

Paul J. Kern filed Form 4 for USA Rare Earth, Inc. (USAR) on 21 May 2026.

Key facts

  • This page summarizes Paul J. Kern's Form 4 filing for USA Rare Earth, Inc. (USAR).
  • 4 reported transactions and 2 derivative rows are listed below.
  • Accepted by SEC: 21 May 2026, 16:19.

Change

  • Previous filing in this sequence was filed on 15 May 2026.
  • 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 0001315431 Primary reporting owner

Kern Paul J

Relationship
Director
Address
100 W AIRPORT ROAD, STILLWATER
Signature
/s/ David Kronenfeld, attorney-in-fact for Paul J. Kern
Signature date
21 May 2026

Reported non-derivative transactions

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

USAR transaction

Common Stock, par value $0.0001 per share

Options Exercise

Transaction value
Shares
+18,199
Change %
+10%
Price
$22.57*
Shares after
197,234
Date
20 May 2026
Ownership
Direct
USAR transaction

Common Stock, par value $0.0001 per share

Options Exercise

Transaction value
Shares
+12,284
Change %
+6.2%
Price
$22.57*
Shares after
209,518
Date
20 May 2026
Ownership
Direct

Reported derivative securities

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

USAR transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares
-18,199
Change %
-100%
Price
$22.57*
Shares after
0
Date
20 May 2026
Ownership
Direct
Underlying class
Common Stock, par value $0.0001 per share
Underlying amount
18,199
Exercise price
Footnotes
F1, F2
USAR transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares
-12,284
Change %
-100%
Price
$22.57*
Shares after
0
Date
20 May 2026
Ownership
Direct
Underlying class
Common Stock, par value $0.0001 per share
Underlying amount
12,284
Exercise price
Footnotes
F1, F2
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The restricted stock unit fully vested on May 20, 2026.

Footnote F2

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

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .