---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-026632"
form_type: "8-K"
ticker: "USAR"
cik: "0001970622"
company_name: "USA Rare Earth, Inc."
filed_at: "2026-03-12T23:59:59+00:00"
generated_at: "2026-05-15T13:56:29.809501+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# USA Rare Earth appoints Dr. Thomas Caulfield (GlobalFoundries Exec Chairman) to board

## Summary
- Dr. Thomas Caulfield appointed to board effective March 9, 2026; fills vacancy from Tready Smith's resignation (no disagreement).
- Caulfield is Executive Chairman of GlobalFoundries (Nasdaq: GFS); previously CEO (2018-2025) leading its IPO.
- He will serve on Compensation and Nominating/Governance committees; compensation solely in equity, no cash unless elected.
- Board remains at eight members.
- Annual meeting set for June 3, 2026; shareholder proposals due by April 1, 2026.

## SEC filing metadata
- accession: 0001213900-26-026632
- form_type: 8-K
- ticker: USAR
- cik: 0001970622
- company_name: USA Rare Earth, Inc.
- filed_at: 2026-03-12T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1970622/000121390026026632/0001213900-26-026632-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1970622/000121390026026632/ea0280942-8k_usa.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-026632
- JSON: https://secwatch.observer/filing/0001213900-26-026632.json
- Plain text: https://secwatch.observer/filing/0001213900-26-026632.txt

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