---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-124900"
form_type: "8-K"
ticker: "METC"
cik: "0001687187"
company_name: "Ramaco Resources, Inc."
filed_at: "2025-12-23T23:59:59+00:00"
generated_at: "2026-05-16T12:16:03.448790+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Ramaco Resources signs non-binding MOU with Mulberry for rare earth oxide supply

## Summary
- MOU to negotiate supply of customized oxide blends including samarium, NdPr, yttrium, gallium, Dy/Tb.
- Mulberry will use feedstock to bolster its 10-year rare earth stockpile for permanent magnet manufacturing in Georgia.
- Mulberry's SmCo magnets are used in defense; an F-35 jet contains ~50 lbs of SmCo magnets.
- Ramaco's Brook Mine in Wyoming is the first new rare earth mine in the U.S. in over 70 years.
- Partnership aims to reduce reliance on China, which controls >90% of rare earth refining and magnet manufacturing.

## SEC filing metadata
- accession: 0001213900-25-124900
- form_type: 8-K
- ticker: METC
- cik: 0001687187
- company_name: Ramaco Resources, Inc.
- filed_at: 2025-12-23T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1687187/000121390025124900/0001213900-25-124900-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1687187/000121390025124900/ea0270765-8k_ramaco.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-124900
- JSON: https://secwatch.observer/filing/0001213900-25-124900.json
- Plain text: https://secwatch.observer/filing/0001213900-25-124900.txt

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