Company description

United States Antimony Corporation’s (“US Antimony,” “USAC,” the “Company,” “we,” “us,” and “our,”) principal business is in the mining, procuring, processing and sale of antimony and precious metals, primarily gold and silver, in Montana and Mexico, and the mining, processing, and sale of zeolite in Idaho. Beginning in late 2024 and continuing in 2025, the Company acquired mining claims in Alaska, Montana, and Canada prospective for antimony, tungsten, cobalt and other critical minerals. In addition, the Company entered into an agreement to acquire exploration rights for mining properties located in the southeastern United States. The Company also procured antimony ore from new international suppliers and is nearing construction completion of an expansion of its antimony processing facility located in Montana that is expected to more than triple its current capacity. This additional antimony supply and processing capacity will be used to fulfill the Company’s two new five-year sales contracts with the U.S. Defense Logistics Agency and an industrial customer, both of which were secured in 2025. On March 11, 2026, the Company’s common stock began trading on the New York Stock Exchange (“NYSE”). Prior to that date, the Company’s common stock was listed on the NYSE American exchange and the NYSE Texas. Antimony and zeolite are minerals used in a wide range of industrial, commercial, and governmental applications, and the Company supplies these minerals in processed forms suitable for end-use applications.

Read the full filing description · filed 19 Mar 2026

At a glance

Sector

Basic Materials

Industry

Primary Smelting & Refining of Nonferrous Metals