---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-023868"
form_type: "8-K"
ticker: "USAR"
cik: "0001970622"
company_name: "USA Rare Earth, Inc."
filed_at: "2026-03-05T23:59:59+00:00"
generated_at: "2026-05-15T19:59:14.426994+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# USA Rare Earth to acquire Texas Mineral Resources for ~$73M in stock, consolidating Round Top project

## Summary
- USAR to issue 3,823,328 shares to acquire all TMRC shares; implied value ~$73M based on Mar 4 close.
- Deal secures 100% economic control of Round Top heavy rare earth project; TMRC held 18.6% interest.
- Commercial production at Round Top expected by 2028 under Accelerated Mining Plan; ~40,000 mt/day feedstock by 2030.
- TMRC directors/officers holding ~19% of shares have voting agreements to support deal; termination fee $3.25M.
- Closing expected in Q3 2026, subject to TMRC stockholder approval, SEC registration, and other conditions.

## SEC filing metadata
- accession: 0001213900-26-023868
- form_type: 8-K
- ticker: USAR
- cik: 0001970622
- company_name: USA Rare Earth, Inc.
- filed_at: 2026-03-05T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1970622/000121390026023868/0001213900-26-023868-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1970622/000121390026023868/ea0280112-8k425_usarare.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-023868
- JSON: https://secwatch.observer/filing/0001213900-26-023868.json
- Plain text: https://secwatch.observer/filing/0001213900-26-023868.txt

## Key facts
- Material Agreements
  USA Rare Earth, Inc. entered into Agreement and Plan of Merger with Texas Mineral Resources Corp. (effective 2026-03-04).
  - Action: entry
  - Agreement: merger
  - Counterparty: Texas Mineral Resources Corp.
  - Effective: 2026-03-04
  source text: On March 4, 2026, USA Rare Earth, Inc. (“ USAR ”) entered into a definitive Agreement and Plan of Merger (the “ Merger Agreement ”) by and among USAR, Texas Mineral Resources Corp., a Delaware corporation (“ TMRC ”), Hamer Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of USAR (“ First Merger Sub ”) and Hamer Merger Sub, LLC, a Delaware limited liability company and a wholly owned subsidiary of USAR (“ Second Merger Sub ” and together with First Merger Sub, the “ Merger Subs ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1970622/000121390026023868/0001213900-26-023868-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.