---
schema_version: "secwatch.filing_event.v1"
accession: "0001654954-25-004710"
form_type: "8-K"
ticker: "UAMY"
cik: "0000101538"
company_name: "UNITED STATES ANTIMONY CORP"
filed_at: "2025-04-28T23:59:59+00:00"
generated_at: "2026-05-23T04:37:51.656723+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "low"
source: SEC EDGAR
---

# U.S. Antimony files prospectus supplement to sell common stock under ATM agreement

## Summary
- Filed prospectus supplement for common stock under existing S-3 shelf registration.
- Shares issuable under Sales Agreement dated Nov 12, 2024 with A.G.P./Alliance Global Partners.
- Opinion on share validity from Hall Booth Smith, P.C. filed as Exhibit 5.1.
- Size and terms of the offering not disclosed in this filing.

## SEC filing metadata
- accession: 0001654954-25-004710
- form_type: 8-K
- ticker: UAMY
- cik: 0000101538
- company_name: UNITED STATES ANTIMONY CORP
- filed_at: 2025-04-28T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: low
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/101538/000165495425004710/0001654954-25-004710-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/101538/000165495425004710/uamy_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001654954-25-004710
- JSON: https://secwatch.observer/filing/0001654954-25-004710.json
- Plain text: https://secwatch.observer/filing/0001654954-25-004710.txt

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