---
schema_version: "secwatch.filing_event.v1"
accession: "0001654954-24-002910"
form_type: "8-K"
ticker: "UAMY"
cik: "0000101538"
company_name: "UNITED STATES ANTIMONY CORP"
filed_at: "2024-03-11T23:59:59+00:00"
generated_at: "2026-06-04T23:37:49.761626+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# U.S. Antimony discontinues all Latin American ops; shuts Madero smelter and Puerto Blanco mine

## Summary
- Board approved immediate discontinuation of USAMSA subsidiary on March 11, 2024.
- Madero smelter in Coahuila and Puerto Blanco mine in Guanajuato to be closed; majority of employees terminated.
- USAMSA had cumulative negative cash flow since inception with no prospect of improvement.
- Company plans to sell or lease USAMSA assets; no cost estimates available yet.
- Chairman cites new Mexican mining laws, cartel disruptions, unpaid Mexican government taxes > $1M as factors.

## SEC filing metadata
- accession: 0001654954-24-002910
- form_type: 8-K
- ticker: UAMY
- cik: 0000101538
- company_name: UNITED STATES ANTIMONY CORP
- filed_at: 2024-03-11T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.05
- EDGAR index: https://www.sec.gov/Archives/edgar/data/101538/000165495424002910/0001654954-24-002910-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/101538/000165495424002910/uamy_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001654954-24-002910
- JSON: https://secwatch.observer/filing/0001654954-24-002910.json
- Plain text: https://secwatch.observer/filing/0001654954-24-002910.txt

## Key facts
- Restructurings & Charges
  UNITED STATES ANTIMONY CORP announced a restructuring affecting Latin America operational activities, including Madero smelter facility in Parras de la Fuente Coahuila and Puerto Blanco mining facility in San Luis de la Paz Guanajuato (terminate a majority of USAMSA employees).
  - Type: restructuring
  - Affected area: Latin America operational activities, including Madero smelter facility in Parras de la Fuente Coahuila and Puerto Blanco mining facility in San Luis de la Paz Guanajuato
  - Headcount: terminate a majority of USAMSA employees
  source text: On March 11, 2024, United States Antimony Corporation’s (“USAC” or “U.S. Antimony” or the “Company”) Board of Directors approved a plan to discontinue all Latin America operational activities and dispose of its US Antimony de Mexico, S.A. de C.V. (“USAMSA”) subsidiary, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/101538/000165495424002910/0001654954-24-002910-index.htm

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