---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-113034"
form_type: "8-K"
ticker: "UAMY"
cik: "0000101538"
company_name: "UNITED STATES ANTIMONY CORP"
filed_at: "2026-10-02T11:00:24+00:00"
generated_at: "2026-10-12T14:30:42.769142+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# US Antimony names Shawn Winkler permanent CFO; Richard Isaak terminated without cause effective Sept 30, 2026

## Summary
- Shawn P. Winkler appointed Senior Vice President and Chief Financial Officer on a permanent basis effective September 30, 2026; he had been Interim CFO since May 4, 2026.
- Richard R. Isaak ceases as SVP and CFO on the Effective Date and the Board terminated his employment without cause.
- Company stated Isaak's termination was not related to its financial or operating results or to any disagreements or concerns regarding financial or reporting practices.
- Winkler was previously CFO of Burrow Global and spent 15 years as an investment banker at BMO Capital Markets and Deutsche Bank Securities, advising on more than $10 billion of natural resources M&A.
- No arrangements or understandings with other persons, no family relationships with directors or officers, and no Item 404(a) reportable transactions involving Winkler.

## SEC filing metadata
- accession: 0001104659-26-113034
- form_type: 8-K
- ticker: UAMY
- cik: 0000101538
- company_name: UNITED STATES ANTIMONY CORP
- filed_at: 2026-10-02T11:00:24+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/101538/000110465926113034/0001104659-26-113034-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/101538/000110465926113034/tm2626607d2_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-113034
- JSON: https://secwatch.observer/filing/0001104659-26-113034.json
- Plain text: https://secwatch.observer/filing/0001104659-26-113034.txt

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