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United States Antimony Corporation announced that Chief Financial Officer Richard Isaak has begun a temporary personal leave of absence effective May 4, 2026. The company states the leave is strictly personal and unrelated to financial performance, accounting, internal controls, or financial reporting.
The Board appointed former financial consultant Shawn Winkler, age 50, as Interim Chief Financial Officer and principal financial officer, effective May 4, 2026. Winkler will receive a monthly cash stipend of $20,000 and a one-time grant of 100,000 stock purchase warrants with a strike price set at the April 27, 2026 closing share price.
Mr. Isaak is expected to return after the leave, currently anticipated to last at least two months. The company also reaffirmed plans to release financial results for the quarter ended March 31, 2026 on May 14, 2026, with Winkler leading the financial reporting process and upcoming earnings call.
United States Antimony Corporation plans to release its first quarter 2026 financial and operating results after U.S. markets close on Thursday, May 14, 2026. Senior management will host a conference call and webcast that day at 4:15 p.m. Eastern time.
The company describes itself as a leading producer and processor of antimony, zeolite, and other critical minerals, and the only fully integrated antimony company in the world outside of China and Russia. It mines and processes antimony products and zeolite across facilities in the U.S., Mexico, Canada, and Idaho.
BlackRock, Inc. filed Amendment No. 1 to a Schedule 13G reporting beneficial ownership of 9,343,418 shares of United States Antimony Corp common stock, representing 6.5% of the class as of 03/31/2026. The filing shows sole voting power for 9,157,210 shares and sole dispositive power for 9,343,418 shares, and states these amounts reflect certain Reporting Business Units of BlackRock.
The filing is signed by a BlackRock managing director on 04/27/2026 and includes exhibits for a power of attorney and Item 7 subsidiary identification.
United States Antimony Corporation is holding its 2026 annual shareholder meeting virtually on June 12, 2026, at 4:15 p.m. Eastern Time. Shareholders of record on April 15, 2026, may vote online, by phone, by mail, or during the meeting.
Owners will elect seven directors, vote on amending the Certificate of Formation to increase authorized common shares from 250,000,000 to 500,000,000, and ratify Assure CPA, LLC as independent auditor for 2026. The proxy details board composition, director and executive pay, equity plans, ownership of major holders, and audit fees, and explains voting standards, broker non-votes, and governance policies.
United States Antimony Corporation provided an operational update on its Fostung Project, an intermediate-stage tungsten exploration asset in Ontario, Canada. The company made available a Technical Report Summary (TRS) on the Fostung Tungsten Property, effective January 31, 2026, prepared in accordance with subpart 1300 of Regulation S‑K.
The TRS was completed by SRK Consulting (Canada), Inc., which is identified as a Qualified Person under the regulation. The Fostung Project consists of 50 contiguous single-cell mining claims covering 1,109 hectares and hosts a skarn-type tungsten (scheelite) deposit with associated molybdenum, copper, and silver mineralization. The project is directly owned by UAMY Cobalt Corporation, a wholly owned subsidiary of the company.
The company includes a standard cautionary note that the operational update and related TRS contain forward-looking statements subject to various risks and uncertainties, and it incorporates the TRS as Exhibit 99 to this report.
United States Antimony Corporation (USAC) is soliciting proxies for its virtual 2026 Annual Meeting to be held on June 12, 2026. Shareholders of record as of April 15, 2026 may vote on three proposals: election of seven directors, approval to increase authorized common shares, and ratification of Assure CPA, LLC as independent auditors. The Board recommends voting FOR all proposals. The proxy materials and the 2025 Annual Report on Form 10-K are available at www.proxyvote.com.
UNITED STATES ANTIMONY CORP executive Melissa Pagen, President & COO of BRZ, reported a disposition of 89,004 shares of common stock on March 23, 2026. The weighted average price was $9.14 per share, with individual trades ranging from $9.05 to $9.26. After this transaction, she directly holds 44,825 shares of the company’s stock.
UNITED STATES ANTIMONY CORP director and officer Lloyd Bardswich reported a disposition of 59,872 shares of Common Stock back to the issuer. The transaction, coded as a Disposition to issuer, was recorded at $8.98 per share. Following this transaction, Bardswich directly holds 877,483 shares of the company’s Common Stock.
UNITED STATES ANTIMONY CORP director Blaise A. Aguirre reported multiple dispositions of common stock back to the company. On March 31, 2026, he disposed of several blocks totaling 27,000 shares at prices between $8.20 and $8.26 per share, each coded as a “Disposition to issuer” (D). After these transactions, he directly held 845,754 shares of United States Antimony common stock.
UNITED STATES ANTIMONY CORP director and executive officer Lloyd Bardswich reported two dispositions of common stock back to the issuer. On March 26, 2026, he disposed of 46,674 shares at $9.34 per share, and on March 27, 2026, he disposed of 36,181 shares at $9.05 per share.
Across both transactions, a total of 82,855 common shares were returned to the company. Following these issuer dispositions, Bardswich directly holds 937,355 shares of UNITED STATES ANTIMONY CORP common stock, indicating he retains a substantial equity position after the reported activity.