Welcome to our dedicated page for United States Antimony SEC filings (Ticker: UAMY), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
United States Antimony Corporation filings document the public-company record for an antimony, zeolite and critical-minerals producer and processor. Recent 8-K reports cover operating and financial results, conference-call materials, officer and finance-leadership changes, and operational updates tied to the Fostung tungsten property and its Technical Report Summary.
The company’s proxy materials describe annual-meeting voting matters and shareholder governance procedures. Its Form 25 records the withdrawal of common stock from NYSE American following the completed transfer of the listing to the New York Stock Exchange, while later current reports identify UAMY common stock as listed on the NYSE and NYSE Texas. The filings also disclose the company’s common stock class, par value, reporting status, and material-event exhibits.
United States Antimony Corporation (US Antimony) has entered a new joint venture with Americas Gold and Silver Corporation to build and operate a state-of-the-art hydromet processing facility in Idaho.
The joint venture will be owned 51% by Americas and 49% by US Antimony, with US Antimony serving as the managing member and major decisions handled by a committee with equal representation from both partners. The plant will process copper, silver, and antimony from Americas’ adjacent mines, aiming for higher recoveries at significantly lower cost, which is expected to improve JV profitability.
The facility is described as the first commercial-scale hydromet processing center of its kind in North America, using technology for which UAMY holds an exclusive license. The Idaho site has already secured all key permits other than construction permits, allowing construction planning to begin. The partners also state they have prepared paperwork to seek potential U.S. government funding aligned with national critical mineral objectives.
United States Antimony Corporation (US Antimony) has entered a new joint venture with Americas Gold and Silver Corporation to build and operate a state-of-the-art hydromet processing facility in Idaho.
The joint venture will be owned 51% by Americas and 49% by US Antimony, with US Antimony serving as the managing member and major decisions handled by a committee with equal representation from both partners. The plant will process copper, silver, and antimony from Americas’ adjacent mines, aiming for higher recoveries at significantly lower cost, which is expected to improve JV profitability.
The facility is described as the first commercial-scale hydromet processing center of its kind in North America, using technology for which UAMY holds an exclusive license. The Idaho site has already secured all key permits other than construction permits, allowing construction planning to begin. The partners also state they have prepared paperwork to seek potential U.S. government funding aligned with national critical mineral objectives.
United States Antimony Corporation (US Antimony) has entered a new joint venture with Americas Gold and Silver Corporation to build and operate a state-of-the-art hydromet processing facility in Idaho.
The joint venture will be owned 51% by Americas and 49% by US Antimony, with US Antimony serving as the managing member and major decisions handled by a committee with equal representation from both partners. The plant will process copper, silver, and antimony from Americas’ adjacent mines, aiming for higher recoveries at significantly lower cost, which is expected to improve JV profitability.
The facility is described as the first commercial-scale hydromet processing center of its kind in North America, using technology for which UAMY holds an exclusive license. The Idaho site has already secured all key permits other than construction permits, allowing construction planning to begin. The partners also state they have prepared paperwork to seek potential U.S. government funding aligned with national critical mineral objectives.
State Street Corporation has reported a passive ownership stake in United States Antimony Corp. The firm beneficially owns 7,669,026 shares of UAMY common stock, representing 5.5% of the outstanding class as of the reporting date.
State Street reports no sole voting or dispositive power, with 7,472,645 shares subject to shared voting power and 7,669,026 shares subject to shared dispositive power, largely through affiliated investment adviser subsidiaries. The filing certifies that the shares were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of United States Antimony.
United States Antimony Corp. reported new equity awards to officer Melissa Pagen, President & COO, BRZ, dated January 15, 2026. She received 40,603 restricted stock units (RSUs), which will vest in three equal installments of 13,535 shares on January 15, 2027, January 18, 2028, and January 19, 2029, subject to continued service. She was also granted stock options covering 61,627 shares of common stock at an exercise price of $8.29 per share. The options vest upon achievement of specified performance measures at any time during their 10‑year term, contingent on her continued service.
The Vanguard Group has reported a passive ownership stake in United States Antimony Corp, holding beneficial ownership of 7,436,911 shares of common stock, or 5.31% of the class as of 12/31/2025.
Vanguard reports shared voting power over 1,008,133 shares and shared dispositive power over 7,436,911 shares, with no sole voting or dispositive power. The securities are held in the ordinary course of business and not for the purpose of changing or influencing control.
The filing explains that Vanguard’s clients, including registered investment companies and other managed accounts, are entitled to dividends and sale proceeds, with no single client holding more than 5%. Vanguard also notes an internal realignment effective 01/12/2026, after which certain subsidiaries are expected to report beneficial ownership separately.
United States Antimony Corp. reported new equity awards to director and executive officer Lloyd Bardswich, who serves as Dir, EVP & Chief Mining Eng. On January 15, 2026, he received time-based restricted stock units covering 73,086 shares of common stock under the company’s Amended & Restated 2023 Equity Incentive Plan.
One-third of this RSU award, or 24,362 shares, will vest on January 15, 2026, with additional one-third portions vesting on January 15, 2027 and January 18, 2028, subject to continued service. On the same date, he was also granted stock options on 92,440 shares of common stock at an exercise price of $8.29 per share, which vest upon meeting specified performance measures during the 10-year term, also conditional on continued service.
United States Antimony Corporation furnished an update on a strategic project in Bolivia. Since mid-2025, the company has been funding and helping develop a new hydrometallurgical processing facility designed to refine antimony and other critical minerals on a commercial scale. The facility is associated with a project located in Bolivia, which could expand the company’s role in the antimony supply chain if successfully advanced. Details are provided in a press release attached as an exhibit, and the company emphasizes that related statements are forward-looking and subject to significant risks and uncertainties.
United States Antimony Corp director Jon R. Marinelli reported receiving new equity awards under the company's Amended & Restated 2023 Equity Incentive Plan. On January 15, 2026, he was granted 1,659 shares of common stock underlying time-based restricted stock units (RSUs), with one-third, or 553 shares, scheduled to vest on January 15, 2027, and additional one-third tranches vesting on January 18, 2028 and January 16, 2029, subject to his continued service. He also received a stock option for 1,022 shares of common stock at an exercise price of $8.29 per share, vesting on the same three dates in equal installments of 341 shares, also conditioned on continued service.
United States Antimony Corp executive compensation update: VP and General Manager, BRZ, Jeffrey Russell Fink reported new equity awards tied to his role at the company. On January 15, 2026, he received restricted stock units covering 22,955 shares of common stock under the Amended & Restated 2023 Equity Incentive Plan. One-third, or 7,652 shares, will vest on January 15, 2027, and additional one-third portions will vest on January 18, 2028 and January 19, 2029, as long as he continues to serve the company.
He was also granted a stock option covering 40,054 shares of common stock at an exercise price of $8.29 per share. This option vests only if specified performance measures in the grant are achieved at any time during its 10-year term, again requiring continued service through any vesting date.
United States Antimony Corporation reported an equity compensation grant to its SVP and Chief Financial Officer, Richard R. Isaak. On January 15, 2026, he received restricted stock units covering 73,086 shares of common stock under the Amended & Restated 2023 Equity Incentive Plan. One-third, or 24,362 shares, will vest on January 15, 2026, with additional one-third installments vesting on January 15, 2027 and January 18, 2028, contingent on continued service. He was also granted a stock option over 82,169 shares of common stock with an exercise price of $8.29 per share. The option vests upon meeting specified performance measures at any time during its 10-year term, also subject to continued service.
United States Antimony Corp. granted equity awards to director John M. Keane as part of its Amended & Restated 2023 Equity Incentive Plan. On January 15, 2026, he received time-based restricted stock units representing 7,464 shares of common stock, vesting in three equal installments of 2,488 shares on January 15, 2027, January 18, 2028, and January 16, 2029, subject to continued service. He was also granted a time-based stock option for 4,597 shares at an exercise price of $8.29 per share, vesting in three installments of 1,533 shares on the same dates, also conditioned on continued service as a director.