---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-086814"
form_type: "8-K"
ticker: "USAR"
cik: "0001970622"
company_name: "USA Rare Earth, Inc."
filed_at: "2026-08-07T21:25:15+00:00"
generated_at: "2026-08-07T21:26:23.897887+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# USA Rare Earth completes acquisition of Texas Mineral Resources Corp

## Summary
- Merger completed Aug 7, 2026; TMRC now wholly owned subsidiary of USAR.
- Each TMRC share converted into 0.043279843 USAR share; based on 88,339,693 fully diluted TMRC shares.
- Fractional shares paid in cash; issuance registered under Form S-4 effective June 29, 2026.
- Deal originally announced March 4, 2026; Merger Agreement previously filed.

## SEC filing metadata
- accession: 0001213900-26-086814
- form_type: 8-K
- ticker: USAR
- cik: 0001970622
- company_name: USA Rare Earth, Inc.
- filed_at: 2026-08-07T21:25:15+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1970622/000121390026086814/0001213900-26-086814-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1970622/000121390026086814/ea0301206-8k_usarare.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-086814
- JSON: https://secwatch.observer/filing/0001213900-26-086814.json
- Plain text: https://secwatch.observer/filing/0001213900-26-086814.txt

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