United States Antimony Corp (NYSE: UAMY)
United States Antimony Corp is a U.S.‑based metals and mining company that refines, produces, and sells antimony products, including antimony metal, antimony oxides, and sodium antimonate. The company also mines, mills, and concentrates silver‑ and gold‑bearing ore, and holds a joint venture for the mining and distribution of zeolite. Its primary operations are located in Thompson Falls, Montana, where the company’s antimony smelter processes material from the surrounding mining districts.
- Market Capitalization: USD 1,160,000,000
- Close Price (2026‑04‑08): USD 8.77
- 52‑Week High: USD 19.71 (2025‑10‑13)
- 52‑Week Low: USD 1.94 (2025‑07‑01)
- Price‑Earnings Ratio: –202.25 (negative, reflecting current operating losses)
Recent Exploration Activity in the United States Antimony Portfolio
Red Mountain Mining Limited (ASX: RMX, OTCMKTS: RMXFF) has announced that it will recommence exploration at its United States portfolio of antimony projects following the end of the northern‑hemisphere winter. Work is scheduled to begin in early April 2026 and will focus on systematic surface geological mapping and sampling at the Thompson Falls Antimony Project. This project lies immediately west of the United States Antimony Corp smelter and is situated on the Montana‑Idaho border.
Key highlights from the initial rock‑chip sampling at the Thompson Falls Antimony Project include:
- Antimony concentration: up to 36.5 % Sb
- Gold concentration: 1.12 ppm Au
These results indicate a high‑grade antimony resource in close proximity to the existing smelter, potentially enhancing the supply chain for United States Antimony Corp.
Implications for United States Antimony Corp
The recommencement of exploration by Red Mountain Mining is likely to increase activity and investment in the Thompson Falls region. For United States Antimony Corp, the high‑grade antimony findings could:
- Strengthen resource base – additional proven reserves may be incorporated into the company’s long‑term production plans.
- Improve supply security – proximity to the smelter reduces transportation costs and logistical complexity.
- Support market positioning – the company can capitalize on rising global demand for antimony, a critical metal used in flame‑retardant polymers, lead‑acid batteries, and alloys.
The company’s current market cap and price volatility, combined with its negative price‑earnings ratio, suggest that investors should monitor the outcome of the exploration program closely. Positive confirmation of additional reserves could improve operational metrics and investor sentiment in the near term.
Source: Reports from hotcopper.com.au, allpennystocks.com, otcmarkets.com, and feedburner.com dated 8 April 2026.
