US Antimony names Shawn Winkler permanent CFO; Richard Isaak terminated without cause effective Sept 30, 2026

UNITED STATES ANTIMONY CORP

Shawn P. Winkler appointed Senior Vice President and Chief Financial Officer on a permanent basis effective September 30, 2026; he had been Interim CFO since May 4, 2026.
Richard R. Isaak ceases as SVP and CFO on the Effective Date and the Board terminated his employment without cause.
Company stated Isaak's termination was not related to its financial or operating results or to any disagreements or concerns regarding financial or reporting practices.
Winkler was previously CFO of Burrow Global and spent 15 years as an investment banker at BMO Capital Markets and Deutsche Bank Securities, advising on more than $10 billion of natural resources M&A.
No arrangements or understandings with other persons, no family relationships with directors or officers, and no Item 404(a) reportable transactions involving Winkler.

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