USA Rare Earth, Inc. (USAR) IPO — S-1 Filing, Stock & Insider Activity

USA Rare Earth, Inc. IPO — Status & S-1 Filing

Track every registration update on the InsiderAlpha IPO tracker.

Updated Jul 16, 2026 · Last SEC filing 2026-07-07

USA Rare Earth, Inc. (USAR) has filed 18 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-07. 11 Form 8-K material event filings were reported by USAR in the last 90 days. 4 Form 144 notices of proposed sale were filed for USAR stock. InsiderAlpha tracks every USAR SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About USA Rare Earth, Inc. (USAR)

SIC classificationMetal Mining (SIC 1000)
SEC CIK0001970622

90-Day SEC Filing Activity

Form 4 filings (90d)18
Form 8-K filings (90d)11
Form 144 notices (90d)4
Latest Form 4 filing2026-07-07

Recent USAR Insider Transactions (Form 4)

DateInsiderRoleTransactionSharesPriceValueFiling
Caulfield ThomasDirectorA — Grant or award271$0.00SEC
Trabuco CarolynDirectorS — Open-market sale13.0K$22.77$296KSEC
Caulfield ThomasDirectorM — Option exercise2.5K$0.00SEC
Caulfield ThomasDirectorA — Grant or award407$0.00SEC
Steele William Robert JrChief Financial OfficerF — Tax withholding / forfeiture33.8K$22.57$763KSEC
Kern Paul JDirectorM — Option exercise18.2K$22.57$411KSEC
Steele William Robert JrChief Financial OfficerM — Option exercise45.5K$22.57$1.03MSEC
BLITZER MICHAELDirectorM — Option exercise12.3K$0.00SEC
SCHWETHELM OTTO CDirectorM — Option exercise12.3K$22.57$277KSEC
Senft Michael FDirectorM — Option exercise12.3K$22.57$277KSEC
Senft Michael FDirectorM — Option exercise18.2K$22.57$411KSEC
Gutnick Mordechai ZevDirectorM — Option exercise12.3K$22.57$277KSEC
Trabuco CarolynDirectorM — Option exercise18.2K$22.57$411KSEC
Steele William Robert JrChief Financial OfficerM — Option exercise30.3K$22.57$685KSEC
Gutnick Mordechai ZevDirectorM — Option exercise18.2K$22.57$411KSEC

All transactions sourced from SEC EDGAR Form 4 filings for USA Rare Earth, Inc. (USAR). Updated in real time as new filings are submitted to the SEC.

Most-Active USAR Insiders — Last 90 Days

InsiderForm 4 filingsTotal transaction value
Kern Paul J8$1.38M
Gutnick Mordechai Zev8$1.38M
Trabuco Carolyn6$1.67M
Steele William Robert Jr5$4.19M
SCHWETHELM OTTO C5$1.38M

Recent USAR Form 8-K Material Events

Recent USAR Form 144 Notices of Proposed Sale

Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.

Recent Insider Filings

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in USAR insider filings:

POpen-market purchase by the insider
SOpen-market sale by the insider
AGrant, award, or other acquisition from the issuer
MExercise or conversion of derivative security (e.g. options)
FPayment of exercise price or tax liability via share withholding
GBona-fide gift of securities
DDisposition to the issuer (e.g. share buyback participation)
JOther acquisition or disposition
XExercise of in-the-money or at-the-money derivative security
CConversion of derivative security
VTransaction voluntarily reported earlier than required

USAR Insider Trading — FAQ

What is the latest insider trade for USAR?
USA Rare Earth, Inc. (USAR) had 18 insider filings in the last 90 days, with the most recent on 2026-07-07. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying USAR stock?
0 insider purchases of USAR were filed in the last 90 days.
How many insiders are selling USAR stock?
0 insider sales of USAR were filed in the last 90 days.
Where can I see USAR SEC filings (Form 4, 10-K, 10-Q, 8-K)?
InsiderAlpha aggregates every USAR SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Related Companies — Recent Insider Activity

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