UAMY / United States Antimony Corporation - Arquivamentos da SEC, Relatório Anual, Declaração de Procuração

United States Antimony Corporation
US ˙ NYSE ˙ US9115491030

Estatísticas Básicas
CIK 101538
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to United States Antimony Corporation
SEC Filings (Chronological Order)
Esta página fornece uma lista completa e cronológica de Arquivamentos da SEC, excluindo os arquivamentos de propriedade que fornecemos em outro lugar.
May 15, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 14, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 14, 2026 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Commis

May 15, 2026 EX-99.1

Transcript of United States Antimony Corporation First Quarter 2026 Financial and Operational Results Webcast May 14, 2026

Exhibit 99.1 Transcript of United States Antimony Corporation First Quarter 2026 Financial and Operational Results Webcast May 14, 2026 Participants Gary Evans - Chief Executive Officer & Chairman, United States Antimony Corporation Richard Isaak - Senior Vice President & Chief Financial Officer, United States Antimony Corporation Shawn Winkler - Interim Chief Financial Officer, United States Anti

May 14, 2026 EX-95

MINE SAFETY DISCLOSURE

EXHIBIT 95 MINE SAFETY DISCLOSURE Pursuant to Section 1503(a) of the recently enacted Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”), issuers that are operators, or that have a subsidiary that is an operator, of a coal or other mine in the United States are required to disclose in their periodic reports filed with the SEC information regarding specified health and safety violations, orders and citations, issued under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”) by the Mine Safety and Health Administration (the “MSHA”), as well as related assessments and legal actions, and mining-related fatalities.

May 14, 2026 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 Or 15(d) Of The Securities Exchange Act of 1934 For the quarterly period ended March 31, 2026 ☐ Transition Report Under Section 13 Or 15(d) Of The Securities Exchange Act of 1934 For the transition period to COMMISSION FILE NUMBER 001-08675 UNITED

May 14, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 14, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 14, 2026 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Commis

May 14, 2026 EX-99.1

United States Antimony Corporation Reports First Quarter 2026 Financial and Operating Results Received $12.8 Million in Department of War (“DoW”) Grant Milestones for Thompson Falls Expansion First Two Delivery Notices under the $245 MM Defense Logis

Exhibit 99.1 United States Antimony Corporation Reports First Quarter 2026 Financial and Operating Results Received $12.8 Million in Department of War (“DoW”) Grant Milestones for Thompson Falls Expansion First Two Delivery Notices under the $245 MM Defense Logistics Agency (“DLA”) Contract Completed Q1 2026 Revenues of $6.8 Million; Net Loss of $11.3 Million, or $(0.08) per Diluted Share Post-Qua

May 6, 2026 EX-99.1

United States Antimony Corporation Announces Webcast set for Thursday, May 14, 2026, at 4:15 PM Eastern Time on First Quarter 2026 Financial and Operating Results “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~

Exhibit 99.1 United States Antimony Corporation Announces Webcast set for Thursday, May 14, 2026, at 4:15 PM Eastern Time on First Quarter 2026 Financial and Operating Results “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~ DALLAS, TX / ACCESS Newswire / May 5, 2026 / United States Antimony Corporation (“USAC,” “US Antimony,” or the “Company”), (NYSE: UAMY) (NYS

May 6, 2026 EX-99.1

United States Antimony Announces Shawn Winkler Appointed as Interim Chief Financial Officer “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~

Exhibit 99.1 United States Antimony Announces Shawn Winkler Appointed as Interim Chief Financial Officer “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~ DALLAS, TX / ACCESS Newswire / May 6, 2026 / United States Antimony Corporation (“USAC,” “US Antimony,” or the “Company”), (NYSE: UAMY) (NYSE Texas: UAMY), a leading producer and processor of antimony, zeolite,

May 6, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 4, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 4, 2026 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Commiss

May 6, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 5, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 5, 2026 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Commiss

April 27, 2026 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy Statement ☒ Definitive Additional Materials ☐ Soliciting Material Pursuant to § 240.

April 20, 2026 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy Statement ☒ Definitive Additional Materials ☐ Soliciting Material Pursuant to § 240.

April 20, 2026 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box:  ☐ Preliminary Proxy Statement  ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy Statement  ☐ Definitive Additional Materials  ☐ Soliciting Material Pursuant to § 240.

April 10, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) April 10, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) April 10, 2026 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Comm

April 10, 2026 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☒ Preliminary Proxy Statement  ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))  ☐ Definitive Proxy Statement  ☐ Definitive Additional Materials  ☐ Soliciting Material Pursuant to § 240.

April 10, 2026 EX-99

CAPR004153 – United States Antimony Corporation SEC Technical Report Summary – Fostung Tungsten Project Page ii SRK Consulting (Canada) Inc. March 24, 2026 Table of Contents 1 Executive Summary.........................................................

Exhibit 99 SEC Technical Report Summary Initial Assessment Fostung Tungsten Project Ontario, Canada Effective Date: January 31, 2026 Report Date: March 24, 2026 Report Prepared for United States Antimony Corporation 4438 W.

March 23, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) March 19, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) March 19, 2026 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Comm

March 23, 2026 EX-99.1

Transcript of United States Antimony Corp. Fiscal Year 2025 Financial and Operating Results March 19, 2026

Exhibit 99.1 Transcript of United States Antimony Corp. Fiscal Year 2025 Financial and Operating Results March 19, 2026 Participants Gary Evans - Chairman & CEO, United States Antimony Corp. Richard Isaak - Senior Vice President & Chief Financial Officer, United States Antimony Corp. Joe Bardswich - EVP & Chief Mining Officer, United States Antimony Corp. Melissa Pagen - President & Chief Operatin

March 19, 2026 EX-95

MINE SAFETY DISCLOSURE

EXHIBIT 95 MINE SAFETY DISCLOSURE Pursuant to Section 1503(a) of the recently enacted Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”), issuers that are operators, or that have a subsidiary that is an operator, of a coal or other mine in the United States are required to disclose in their periodic reports filed with the SEC information regarding specified health and safety violations, orders and citations, issued under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”) by the Mine Safety and Health Administration (the “MSHA”), as well as related assessments and legal actions, and mining-related fatalities.

March 19, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) March 19, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) March 19, 2026 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Comm

March 19, 2026 EX-10.2

UAMY Company Charters and Policies

EXHIBIT 10.2 UAMY Company Charters and Policies Compensation Committee Charter Purpose The Compensation Committee (the “Committee”) of the Board of Directors (the “Board”) assists the Board in fulfilling its fiduciary responsibilities with respect to the oversight of the Company’s affairs in the areas of compensation plans, policies, and programs of the Company, especially those regarding executiv

March 19, 2026 EX-97

UNITED STATES ANTIMONY CORPORATION CLAWBACK POLICY

EXHIBIT 97 UNITED STATES ANTIMONY CORPORATION CLAWBACK POLICY 1. Introduction. The Board of Directors (the “Board”) of United States Antimony Corporation (the “Company”) believes that it is in the best interests of the Company and its shareholders to create and maintain a culture that emphasizes integrity and accountability and that reinforces the Company’s pay-for-performance compensation philoso

March 19, 2026 EX-10.1

OPERATING AGREEMENT US AMERICAS REFINING JV, LLC

EXHIBIT 10.1 Certain identified information has been excluded from this exhibit because it is both (i) not material and (ii) would likely cause competitive harm to the registrant if publicly disclosed. OPERATING AGREEMENT OF US AMERICAS REFINING JV, LLC OPERATING AGREEMENT OF US AMERICAS REFINING JV, LLC TABLE OF CONTENTS Page ARTICLE I. ORGANIZATIONAL MATTERS 2 1.1 Formation 2 1.2 Name 2 1.3 Regi

March 19, 2026 EX-21.1

Subsidiaries of Registrant as of December 31, 2025

EXHIBIT 21.1 Subsidiaries of Registrant as of December 31, 2025 Name Jurisdiction Bear River Zeolite Company Idaho Antimonio de Mexico, S.A. de C.V. Mexico US Antimony de Mexico, S.A. de C.V. Mexico Stibnite Holding Company US Inc. Montana Antimony Mining and Milling US LLC Montana AGAU Mines, Inc. Montana Lanxess Laurel de Mexico, S.A. de C.V. Mexico Great Land Minerals, LLC Delaware Denali Miner

March 19, 2026 EX-99.1

United States Antimony Corporation Reports Fiscal Year 2025 Financial and Operating Results Revenues Up 163% YOY Gross Profit Up 185% YOY $354 Million in New Antimony Contracts Executed in 2025 “The Critical Minerals and ZEO Company” ~ Antimony, Coba

Exhibit 99.1 United States Antimony Corporation Reports Fiscal Year 2025 Financial and Operating Results Revenues Up 163% YOY Gross Profit Up 185% YOY $354 Million in New Antimony Contracts Executed in 2025 “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~ DALLAS, TX / ACCESS Newswire / March 19, 2026 – United States Antimony Corporation (“USAC”, “US Antimony Corp

March 19, 2026 EX-14.1

UAMY Company Charters and Policies

EXHIBIT 14.1 UAMY Company Charters and Policies Code of Ethics Policy Purpose Our code of ethics aims to give our employees guidelines on our business ethics and stance on various controversial matters. We trust you to use your better judgment, but we want to provide you with a concrete guide you can fall back on if you’re unsure about how you should act (e.g. in cases of conflict of interest). We

March 19, 2026 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-08675 UNITED ST

March 19, 2026 EX-4.1

DESCRIPTION OF SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934

EXHIBIT 4.1 DESCRIPTION OF SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The following description of the capital stock of United States Antimony Corporation (the “Company,” “we,” “us” or “our”) summarizes certain provisions of our Certificate of Formation, as amended, and our Bylaws, as amended. The description is intended as a summary and is qualified in its

March 19, 2026 EX-14.2

UAMY Company Charters and Policies

EXHIBIT 14.2 UAMY Company Charters and Policies Code of Conduct Policy This Code of Conduct Policy establishes guidelines for employee behavior, ensuring professionalism and adherence to company values, as well as the consequences for policy violations. It applies to directors, officers, employees, interns, and volunteers, and covers various aspects of business conduct, including cyber security, i

March 17, 2026 EX-99.1

United States Antimony Corporation Announces Date for Fiscal Year 2025 Financial and Operating Results Webcast set for March 19, 2026, 4:15 PM Eastern Time “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~

Exhibit 99.1 United States Antimony Corporation Announces Date for Fiscal Year 2025 Financial and Operating Results Webcast set for March 19, 2026, 4:15 PM Eastern Time “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~ DALLAS, TX / ACCESS Newswire / March 16, 2026 / United States Antimony Corporation (“USAC,” “US Antimony,” or the “Company”), (NYSE: UAMY) (NYSE Te

March 17, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) March 16, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) March 16, 2026 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Comm

March 16, 2026 25

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 25 NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION UNDER SECTION 12(b) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number: 001-08675 United States Antim

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 25 NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION UNDER SECTION 12(b) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number: 001-08675 United States Antimony Corporation NYSE American LLC (Exact name of Issuer as specified in its charter, and name of Exchange where security is listed and/or registered)

March 6, 2026 CERT

NYSE CERTIFICATION

New York Stock Exchange 11 Wall Street New York, NY 10005 Tel: +1 212.656.3000 nyse.com March 6, 2026 Chief, Information Technology Securities and Exchange Commission Division of Corporate Finance 100 F Street, NE MS 3040 Washington, DC 20549 To whom it may concern: The New York Stock Exchange certifies its approval for listing and registration of the Common Stock, par value $0.01 per share, of UN

March 6, 2026 8-A12B

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 UNITED STATES ANTIMONY CORPORATION (Exact name

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 81-0305822 (State or other jurisdiction of incorporation) (IRS Employer Identification No.) 4438 W. L

March 6, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) March 6, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) March 6, 2026 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Commi

March 6, 2026 EX-99.1

United States Antimony Corporation Announces Uplisting to the New York Stock Exchange ~ Trading Expected to Commence on March 11 ~ “The Critical Minerals and ZEO Company" ~ Antimony, Cobalt, Tungsten, and Zeolite ~

Exhibit 99.1 United States Antimony Corporation Announces Uplisting to the New York Stock Exchange ~ Trading Expected to Commence on March 11 ~ “The Critical Minerals and ZEO Company" ~ Antimony, Cobalt, Tungsten, and Zeolite ~ DALLAS, TX / ACCESS Newswire / March 6, 2026 / United States Antimony Corporation (“USAC,” “US Antimony,” or the “Company”), (NYSE American: UAMY) (NYSE Texas: UAMY), a lea

February 27, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) February 27, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) February 27, 2026 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (C

February 27, 2026 EX-99.1

1 UNITED STATES ANTIMONY CORPORATION NYSE / UAMY NYSE TEXAS / UAMY INVESTOR PRESENTATION

Exhibit 99.1 1 UNITED STATES ANTIMONY CORPORATION NYSE / UAMY NYSE TEXAS / UAMY INVESTOR PRESENTATION References in this presentation to the “Company,” “US Antimony,” “USAC,” “we,” “us” and “our” refer to United States Antimony Corporation and its consolidated subsidiaries (“USAC”) . The statements in this presentation that are not historical facts may be forward - looking statements . Within the

February 10, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) February 10, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) February 10, 2026 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (C

January 29, 2026 EX-99.1

United States Antimony Corporation Announces New Hydromet Processing Advancement for Critical Minerals “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~

Exhibit 99.1 United States Antimony Corporation Announces New Hydromet Processing Advancement for Critical Minerals “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~ DALLAS, TX / ACCESS Newswire / January 28, 2026 / United States Antimony Corporation (“USAC,” “US Antimony,” or the “Company”), (NYSE American: UAMY) (NYSE Texas: UAMY), a leading producer and process

January 29, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) January 28, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) January 28, 2026 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

January 20, 2026 EX-99.1

United States Antimony Corporation Announces Acquisition of Critical Minerals Flotation Facility “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~

Exhibit 99.1 United States Antimony Corporation Announces Acquisition of Critical Minerals Flotation Facility “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~ DALLAS, TX / ACCESS Newswire / January 20, 2026 / United States Antimony Corporation (“USAC,” “US Antimony,” or the “Company”), (NYSE American: UAMY) (NYSE Texas: UAMY), a leading producer and processor of

January 20, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) January 20, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) January 20, 2026 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

January 5, 2026 EX-99.1

God Bless You and Happy New Year!

Exhibit 99.1 January 5, 2026 Dear Shareholder: As calendar year 2025 has come to a close, I thought it would be important to look back and reflect on all of the accomplishments we made in truly a transformational period for USAC, especially for a company that is over 50 years in age. The first measure that many investors look to is share price performance. We began January 2025 at $1.78 per share

January 5, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) January 5, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) January 5, 2026 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Com

November 25, 2025 EX-99.1

United States Antimony Announces the Appointment of a New Independent Board Member ~ Jon R. Marinelli ~ “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~

Exhibit 99.1 United States Antimony Announces the Appointment of a New Independent Board Member ~ Jon R. Marinelli ~ “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~ DALLAS, TX / ACCESS Newswire / November 25, 2025 / United States Antimony Corporation (“USAC,” “US Antimony,” or the “Company”), (NYSE American: UAMY) (NYSE Texas: UAMY), a leading producer and proce

November 25, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) November 24, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) November 24, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (C

November 14, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 12, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 12, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (

November 14, 2025 EX-99.1

Transcript of United States Antimony Corporation Third Quarter 2025 Financial and Operating Results November 12, 2025

Exhibit 99.1 Transcript of United States Antimony Corporation Third Quarter 2025 Financial and Operating Results November 12, 2025 Participants Gary Evans - Chairman and CEO, United States Antimony Corporation Richard Isaak - SVP & CFO, United States Antimony Corporation Joe Bardswich - EVP, Chief Mining Officer, & Director, United States Antimony Corporation Aaron Tenesch - VP, Antimony Division,

November 12, 2025 EX-10.1

Contract between the Company and the U.S. Defense Logistics Agency (DLA) Strategic Materials, dated September 22, 2025 (Portions of this exhibit have been omitted pursuant to Item 601(b)(10) of Regulation S-K).

Exhibit 10.1 28. CONTRACTOR IS REQUIRED TO SIGN THIS DOCUMENT AND RETURN COPIES TO ISSUING OFFICE. CONTRACTOR AGREES TO FURNISH AND DELIVER ALL ITEMS SET FORTH OR OTHERWISE IDENTIFIED ABOVE AND ON ANY ADDITIONAL SHEETS SUBJECT TO THE TERMS AND CONDITIONS SPECIFIED 29. AWARD OF CONTRACT: REF. OFFER 16. ADMINISTERED BY CODE 7. FOR SOLICITATION INFORMATION CALL: SOLICITATION/CONTRACT/ORDER FOR COMMER

November 12, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 Or 15(d) Of The Securities Exchange Act of 1934 For the quarterly period ended September 30, 2025 ☐ Transition Report Under Section 13 Or 15(d) Of The Securities Exchange Act of 1934 For the transition period to COMMISSION FILE NUMBER 001-08675 UN

November 12, 2025 EX-99.1

United States Antimony Corporation Reports Third Quarter and Nine Months Ended September 30, 2025 Financial and Operating Results Revenues Up 182% YOY Gross Profit Up 219% YOY “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and

Exhibit 99.1 United States Antimony Corporation Reports Third Quarter and Nine Months Ended September 30, 2025 Financial and Operating Results Revenues Up 182% YOY Gross Profit Up 219% YOY “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~ DALLAS, TX / ACCESS Newswire / November 12, 2025 – United States Antimony Corporation (“USAC,” “US Antimony Corporation,” or th

November 12, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 12, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 12, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (

November 12, 2025 EX-95

Mine Safety Disclosure.

EXHIBIT 95 MINE SAFETY DISCLOSURE Pursuant to Section 1503(a) of the recently enacted Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”), issuers that are operators, or that have a subsidiary that is an operator, of a coal or other mine in the United States are required to disclose in their periodic reports filed with the SEC information regarding specified health and safety violations, orders and citations, issued under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”) by the Mine Safety and Health Administration (the “MSHA”), as well as related assessments and legal actions, and mining-related fatalities.

November 12, 2025 EX-10.1

PURCHASING AND SUPPLY AGREEMENT

Exhibit 10.1 Certain identified information has been excluded from this exhibit because it is both (i) not material and (ii) would likely cause competitive harm to the registrant if publicly disclosed. PURCHASING AND SUPPLY AGREEMENT This Purchasing and Supply Agreement ("Agreement") is entered into effective as of November 1, 2025, by and between: Purchaser: [*****] Address: [*****] Contact Perso

November 12, 2025 EX-99.1

United States Antimony Corporation Executes Antimony Supply Agreement with New Industrial Customer for a Term of up to Five Years Contract Value ~ $106.7 Million “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~

Exhibit 99.1 United States Antimony Corporation Executes Antimony Supply Agreement with New Industrial Customer for a Term of up to Five Years Contract Value ~ $106.7 Million “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~ DALLAS, TX / ACCESS Newswire / November 11, 2025 – United States Antimony Corporation (“USAC,” “US Antimony,” the “Company”), (NYSE American:

November 12, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 7, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 7, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (C

November 7, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) November 7, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) November 7, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

October 30, 2025 EX-99.1

United States Antimony Corporation Updates Significant Montana Antimony Mining Activities Company Increases 2026 Financial Guidance “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~

Exhibit 99.1 United States Antimony Corporation Updates Significant Montana Antimony Mining Activities Company Increases 2026 Financial Guidance “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~ DALLAS, TX / ACCESS Newswire / October 30, 2025 / United States Antimony Corporation (“USAC,” “US Antimony,” the “Company”), (NYSE American:UAMY) (NYSE Texas:UAMY), a lead

October 30, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) October 30, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) October 30, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

October 20, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) October 17, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) October 17, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

October 20, 2025 EX-99.1

United States Antimony Corporation Submits Indicative Proposal to Acquire 100% of Larvotto Resources Limited Located in Australia Business Combination Would Produce One of the World’s Largest Antimony Producers Outside of China “The Critical Minerals

Exhibit 99.1 United States Antimony Corporation Submits Indicative Proposal to Acquire 100% of Larvotto Resources Limited Located in Australia Business Combination Would Produce One of the World’s Largest Antimony Producers Outside of China “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~ Dallas, Texas / ACCESS Newswire / October 19, 2025 / United States Antimony

October 17, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 17, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 17, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (C

October 17, 2025 424B5

United States Antimony Corporation Up to $400,000,000 Common Stock

Filed Pursuant to Rule 424(b)(5) Registration No. 333-290901 PROSPECTUS SUPPLEMENT (To Prospectus dated October 16, 2025) United States Antimony Corporation Up to $400,000,000 Common Stock We previously entered into a sales agreement dated November 12, 2024 and subsequently amended and restated such sales agreement on September 17, 2025 (the “Sales Agreement”), with A.G.P./Alliance Global Partners

October 17, 2025 EX-FILING FEES

CALCULATION OF FILING FEE TABLES (Form Type) UNITED STATES ANTIMONY CORPORATION (Exact Name of Registrant as Specified in Its Charter) Table 1: Newly Registered and Carry Forward Securities

EXHIBIT 107 CALCULATION OF FILING FEE TABLES S-3 (Form Type) UNITED STATES ANTIMONY CORPORATION (Exact Name of Registrant as Specified in Its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation Carry Forward Rule Amount Registered (1) Proposed Maximum Offering Price per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee (2) Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Paid In Connection with Unsold Securities to be Carried Forward Newly Registered Securities Newly Registered Securities Equity Common Stock, $0.

October 16, 2025 EX-4.5

UNITED STATES ANTIMONY CORPORATION [ ] Dated as of [ ] Subordinated Debt Securities

EXHIBIT 4.5 UNITED STATES ANTIMONY CORPORATION Issuer AND [ ] Trustee INDENTURE Dated as of [ ] Subordinated Debt Securities 1 CROSS-REFERENCE TABLE (1) Section of Trust Indenture Act Section of of 1939, as Amended Indenture 310(a). 7.09 310(b). 7.08 7.10 310(c). Inapplicable 311(a). 7.13(a) 311(b). 7.13(b) 311(c). Inapplicable 312(a) 5.02(a) 312(b). 5.02(b) 312(c). 5.02(c) 313(a). 5.04(a) 313(b).

October 16, 2025 EX-FILING FEES

FORM S-3 (Form Type) REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 UNITED STATES ANTIMONY CORPORATION (Exact Name of Registrant as Specified in Its Charter) Table 1: Newly Registered Securities

EXHIBIT 107 FORM S-3 (Form Type) REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 UNITED STATES ANTIMONY CORPORATION (Exact Name of Registrant as Specified in Its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Carry Forward Rule Amount Registered Proposed Maximum Offering Price per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Paid In Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid Equity Common Stock, $0.

October 16, 2025 EX-4.4

UNITED STATES ANTIMONY CORPORATION [ ] Dated as of [ ] Senior Debt Securities

EXHIBIT 4.4 UNITED STATES ANTIMONY CORPORATION Issuer AND [ ] Trustee INDENTURE Dated as of [ ] Senior Debt Securities 1 CROSS-REFERENCE TABLE (1) Section of Trust Indenture Act Section of of 1939, as Amended Indenture 310(a). 7.09 310(b). 7.08 7.10 310(c). Inapplicable 311(a). 7.13(a) 311(b). 7.13(b) 311(c). Inapplicable 312(a) 5.02(a) 312(b). 5.02(b) 312(c). 5.02(c) 313(a). 5.04(a) 313(b). 5.04(

October 16, 2025 S-3ASR

As filed with the Securities and Exchange Commission on October 15, 2025

As filed with the Securities and Exchange Commission on October 15, 2025 Registration No.

October 14, 2025 EX-10.1

SECURITIES PURCHASE AGREEMENT

EXHIBIT 10.1 SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (this “Agreement”) is dated as of October 10, 2025, between United States Antimony Corporation, a Texas corporation (the “Company”), and each purchaser identified on the signature pages hereto (each, including its successors and assigns, a “Purchaser” and collectively, the “Purchasers”). WHEREAS, subject to the terms and

October 14, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) October 10, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) October 10, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

October 14, 2025 EX-99.1

United States Antimony Corporation Announces $25 Million Registered Direct Offering of Common Stock Priced Above Market Under NYSE Rules “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~

EXHIBIT 99.1 United States Antimony Corporation Announces $25 Million Registered Direct Offering of Common Stock Priced Above Market Under NYSE Rules “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~ DALLAS, TX / ACCESS Newswire / October 10, 2025 / United States Antimony Corporation (“USAC,” “US Antimony,” or the “Company”), (NYSE American: UAMY) (NYSE Texas: UAM

October 10, 2025 S-3MEF

As filed with the Securities and Exchange Commission on October 10, 2025

As filed with the Securities and Exchange Commission on October 10, 2025 Registration No.

October 10, 2025 EX-FILING FEES

FORM S-3MEF (Form Type) REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 UNITED STATES ANTIMONY CORPORATION (Exact Name of Registrant as Specified in Its Charter) Table 1: Newly Registered Securities

EXHIBIT 107 FORM S-3MEF (Form Type) REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 UNITED STATES ANTIMONY CORPORATION (Exact Name of Registrant as Specified in Its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Carry Forward Rule Amount Registered Proposed Maximum Offering Price per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Paid In Connection with Unsold Securities to be Carried Forward Newly Registered Securities Newly Registered Securities Equity Common Stock, $0.

October 10, 2025 424B5

2,377,657 Shares United States Antimony Corporation Common Stock

Filed Pursuant to Rule 424(b)(5) Registration Nos. 333-284057 and 333-290812 Prospectus Supplement (To Prospectus dated April 24, 2025) 2,377,657 Shares United States Antimony Corporation Common Stock We are offering 2,377,657 shares of our common stock pursuant to this prospectus supplement and the accompanying base prospectus. We have retained Titan Partners Group LLC, a division of American Cap

October 7, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) October 6, 2025 UNITED STATES ANTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) October 6, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Com

October 7, 2025 EX-10.2

[The remainder of this page has been intentionally left blank.]

EXHIBIT 10.2 October 6, 2025 United States Antimony Corporation 4438 W. Lover’s Lane, Unit 100 Dallas, TX 75354 (406) 606-4117 Dear Mr. Gary C. Evans: Subject to the terms and conditions of this letter agreement (the “Agreement”) between A.G.P./Alliance Global Partners, (“AGP” or the “Placement Agent”) as sole placement agent, and United States Antimony Corporation, a Texas corporation (the “Compa

October 7, 2025 EX-10.1

SECURITIES PURCHASE AGREEMENT

EXHIBIT 10.1 SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (this “Agreement”) is dated as of October 6, 2025, between United States Antimony Corporation, a Texas corporation (the “Company”), and each purchaser identified on the signature pages hereto (each, including its successors and assigns, a “Purchaser” and collectively, the “Purchasers”). WHEREAS, subject to the terms and

October 7, 2025 424B5

3,500,000 Shares United States Antimony Corporation Common Stock

Filed Pursuant to Rule 424(b)(5) Registration No. 333-284057 Prospectus Supplement (To Prospectus dated April 24, 2025) 3,500,000 Shares United States Antimony Corporation Common Stock We are offering 3,500,000 shares of our common stock pursuant to this prospectus supplement and the accompanying base prospectus. We have retained A.G.P./Alliance Global Partners, to act as our exclusive placement a

October 6, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) October 6, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) October 6, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Com

October 6, 2025 EX-99.1

PRESS RELEASE

EXHIBIT 99.1

October 3, 2025 144

144

144 0002029601 XXXXXXXX LIVE 101538 UNITED STATES ANTIMONY CORP 001-08675 4438 W LOVERS LANE UNIT 100 DALLAS TX 75209 4068273523 JEFFREY FINK VP, GENERAL MANGER, BRZ COMMON Merrill EDGE FL9-802-03-05 P.

October 3, 2025 144

144

144 0001398052 XXXXXXXX LIVE 0000101538 US Antimony 001-08675 4438 W Lover's Lane Suite 100 Dallas TX 75209 4068273523 Richard Isaak Officer Common Merrill Lynch 7676 Forsyth Blvd, 25th floor clayton MO 63105 50000 350000 120723320 10/01/2025 NYSE Common 05/15/2024 Stock Bonus US Antimony Corp N 50000 05/15/2024 Stock Bonus Y 10/03/2025 Christopher Patritti

October 2, 2025 144

144

144 0001399729 XXXXXXXX LIVE 0000101538 UNITED STATES ANTIMONY CORP 001-08675 4438 W LOVERS LANE UNIT 100 DALLAS TX 75209 4068273523 Lloyd Bardswich DIRECTOR COMMON CANACCORD GENUITY 1133 MELVILLE ST SUITE 1200 VANCOUVER A1 V6E 4E5 40000 245000 120723320 09/29/2025 NYSE American COMMON 08/18/2022 CASH THROUGH CANCCORD OPEN MARKET NYSE N 15000 08/19/2022 CASH COMMON 08/18/2022 CASH THROUGH CANACCOR

October 2, 2025 144

144

144 0002029601 XXXXXXXX LIVE 0000101538 UNITED STATES ANTIMONY CORP 001-08675 4438 W LOVERS LANE UNIT 100 DALLAS TX 75209 4068273523 Jeffrey Russell Fink VP, GENERAL MANGER, BRZ COMMON Merrill EDGE FL9-802-03-05 P.

October 1, 2025 144

144

144 0001051997 XXXXXXXX LIVE 0000101538 US Antimony Corp 001-08675 4438 west lovers lane dallas TX 75209 406-606-4117 Michael A McManus board member Common Merrill Lynch One Bryant Park 48th Fl New York NY 10036 50000 365791.8 128727843 10/01/2025 NYSE COMMON 08/14/2024 OPEN MARKET PURCHASE OPEN MARKET N 135000 08/14/2024 CASH Y 10/01/2025 michael a mcmanus jr

September 23, 2025 EX-99.1

United States Antimony Corporation Awarded $245 Million Sole-Source Five-Year Contract by the U.S. Defense Logistics Agency for the Purchase of Antimony Ingots to Replenish the U.S. National Defense Stockpile “The Critical Minerals and ZEO Company” ~

EXHIBIT 99.1 United States Antimony Corporation Awarded $245 Million Sole-Source Five-Year Contract by the U.S. Defense Logistics Agency for the Purchase of Antimony Ingots to Replenish the U.S. National Defense Stockpile “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~ DALLAS, TX / ACCESS Newswire / September 23, 2025 / United States Antimony Corporation ("USAC,

September 23, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 23, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 23, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation)

September 18, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 17, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 17, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation)

September 18, 2025 424B5

United States Antimony Corporation Up to $65,000,000 Common Stock

Filed Pursuant to Rule 424(b)(5) Registration No. 333-284057 PROSPECTUS SUPPLEMENT (To Prospectus dated April 24, 2025) United States Antimony Corporation Up to $65,000,000 Common Stock We entered into a sales agreement dated November 12, 2024 and subsequently amended and restated such sales agreement on September 17, 2025 (the “Sales Agreement”), with A.G.P./Alliance Global Partners (“A.G.P.”) an

September 18, 2025 EX-1.1

UNITED STATES ANTIMONY CORPORATION COMMON STOCK AMENDED AND RESTATED SALES AGREEMENT

EXHIBIT 1.1 Execution Version UNITED STATES ANTIMONY CORPORATION COMMON STOCK AMENDED AND RESTATED SALES AGREEMENT September 17, 2025 A.G.P./Alliance Global Partners 590 Madison Avenue New York, NY 10022 B. Riley Securities, Inc. 299 Park Avenue, 21st Floor New York, NY 10171 Ladies and Gentlemen: United States Antimony Corporation, a Texas corporation (the “Company”) and A.G.P./Alliance Global Pa

September 9, 2025 EX-FILING FEES

Calculation of Filing Fee Tables Form S-8 (Form Type) UNITED STATES ANTIMONY CORPORATION (Exact name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities

EXHIBIT 107 Calculation of Filing Fee Tables Form S-8 (Form Type) UNITED STATES ANTIMONY CORPORATION (Exact name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount to be Registered (1) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common Stock, par value $0.

September 9, 2025 S-8

As filed with the Securities and Exchange Commission on September , 2025.

As filed with the Securities and Exchange Commission on September , 2025. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 81-0305822 (State or other jurisdiction of incorporation or organizatio

September 3, 2025 EX-3.3

STATE OF TEXAS CERTIFICATE OF CONVERSION UNITED STATES ANTIMONY CORPORATION

EXHIBIT 3.3 STATE OF TEXAS CERTIFICATE OF CONVERSION UNITED STATES ANTIMONY CORPORATION Pursuant to the provisions of Sections 10.154 and 10.155 of the Texas Business Organizations Code, the undersigned adopts the following certificate of conversion for the purpose of effecting a conversion of United States Antimony Corporation, a Montana corporation (the “Converting Entity”), into United States A

September 3, 2025 EX-3.2

BYLAWS UNITED STATES ANTIMONY CORPORATION (Effective August 18, 2025) TABLE OF CONTENTS

EXHIBIT 3.2 BYLAWS OF UNITED STATES ANTIMONY CORPORATION (Effective August 18, 2025) TABLE OF CONTENTS Page ARTICLE I — CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II — MEETINGS OF SHAREHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 1 2.4 ADVANCE NOTICE PROCEDURES 2 2.5 NOTICE OF SHAREHOLDERS MEETINGS 7 2.6 QUORUM 7 2.7 ADJOURNED MEETING; NOT

September 3, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 28, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 28, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

September 3, 2025 EX-3.1

CERTIFICATE OF FORMATION UNITED STATES ANTIMONY CORPORATION a Texas corporation

EXHIBIT 3.1 CERTIFICATE OF FORMATION OF UNITED STATES ANTIMONY CORPORATION a Texas corporation United States Antimony Corporation, a corporation organized and existing under the laws of the State of Texas (the “Corporation”), hereby certifies as follows: A. United States Antimony Corporation, a Montana corporation (the “Montana Corporation”), with its principal place of business at 4438 W. Lovers

September 3, 2025 EX-3.4

ARTICLES OF DOMESTICATION

EXHIBIT 3.4

August 29, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) August 26, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) August 26, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Texas 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Com

August 29, 2025 EX-99.1

United States Antimony Corporation Enters Into Purchase Agreement with Select Institutional Investor for $18 Million Registered Direct Offering of Common Stock “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~

EXHIBIT 99.1 United States Antimony Corporation Enters Into Purchase Agreement with Select Institutional Investor for $18 Million Registered Direct Offering of Common Stock “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~ DALLAS, TX / ACCESS Newswire / August 27, 2025 / United States Antimony Corporation (“USAC,” “US Antimony,” or the “Company”), (NYSE American:

August 29, 2025 EX-10.1

SECURITIES PURCHASE AGREEMENT

EXHIBIT 10.1 SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (this “Agreement”) is dated as of August 26, 2025, between United States Antimony Corporation, a Texas corporation (the “Company”), and each purchaser identified on the signature pages hereto (each, including its successors and assigns, a “Purchaser” and collectively, the “Purchasers”). WHEREAS, subject to the terms and

August 29, 2025 EX-10.2

[The remainder of this page has been intentionally left blank.]

EXHIBIT 10.2 August 26, 2025 United States Antimony Corporation 4438 W. Lover’s Lane, Unit 100 Dallas, TX 75354 (406) 606-4117 Dear Mr. Gary C. Evans: Subject to the terms and conditions of this letter agreement (the “Agreement”) between A.G.P./Alliance Global Partners, (“AGP” or the “Placement Agent”) as sole placement agent, and United States Antimony Corporation, a Texas corporation (the “Compa

August 28, 2025 424B5

4,000,000 Shares United States Antimony Corporation Common Stock

Filed Pursuant to Rule 424(b)(5) Registration No. 333-284057 Prospectus Supplement (To Prospectus dated April 24, 2025) 4,000,000 Shares United States Antimony Corporation Common Stock We are offering 4,000,000 shares of our common stock pursuant to this prospectus supplement and the accompanying base prospectus. We have retained A.G.P./Alliance Global Partners, to act as our exclusive placement a

August 19, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) August 13, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) August 13, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (C

August 19, 2025 EX-99.1

United States Antimony Announces A New Board Member

EXHIBIT 99.1 United States Antimony Announces A New Board Member Appointment of General John M. Keane to Its Board of Directors "The Critical Minerals and ZEO Company" ~ Antimony, Cobalt, Tungsten, and Zeolite ~ DALLAS, TX / ACCESS Newswire / August 19, 2025 / United States Antimony Corporation ("USAC," "US Antimony," or the "Company"), (NYSE American:UAMY)(NYSE Texas:UAMY), is pleased to announce

August 15, 2025 EX-99.1

Transcript of United States Antimony Corporation Second Quarter 2025 Earnings Conference Call August 12, 2025

EXHIBIT 99.1 Transcript of United States Antimony Corporation Second Quarter 2025 Earnings Conference Call August 12, 2025 Participants Gary Evans - Chairman & Chief Executive Officer, United States Antimony Corporation Rick Isaak - Senior VP & Chief Financial Officer, United States Antimony Corporation Joe Bardswich - Executive VP & Chief Mining Engineer, United States Antimony Corporation Meliss

August 15, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) August 12, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) August 12, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (C

August 12, 2025 EX-95

MINE SAFETY DISCLOSURE

EXHIBIT 95 MINE SAFETY DISCLOSURE Pursuant to Section 1503(a) of the recently enacted Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”), issuers that are operators, or that have a subsidiary that is an operator, of a coal or other mine in the United States are required to disclose in their periodic reports filed with the SEC information regarding specified health and safety violations, orders and citations, issued under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”) by the Mine Safety and Health Administration (the “MSHA”), as well as related assessments and legal actions, and mining-related fatalities.

August 12, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) August 12, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) August 12, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (C

August 12, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 Or 15(d) Of The Securities Exchange Act of 1934 For the quarterly period ended June 30, 2025 ☐ Transition Report Under Section 13 Or 15(d) Of The Securities Exchange Act of 1934 For the transition period to COMMISSION FILE NUMBER 001-08675 UNITED STATES ANTIMONY CO

August 12, 2025 EX-99.1

United States Antimony Corporation Reports Second Quarter and Six Months Ended June 30, 2025 Financial and Operating Results Revenues Up 160% YOY Gross Profit Up 183% YOY Net Income Up 707% YOY “The Critical Minerals and ZEO Company” ~ Antimony, Coba

EXHIBIT 99.1 United States Antimony Corporation Reports Second Quarter and Six Months Ended June 30, 2025 Financial and Operating Results Revenues Up 160% YOY Gross Profit Up 183% YOY Net Income Up 707% YOY “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~ DALLAS, TX / ACCESS Newswire / August 12, 2025 – United States Antimony Corporation (“USAC,” “US Antimony Cor

August 7, 2025 EX-99.1

United States Antimony Corporation Announces Date For Release of Second Quarter and Six Months Ended June 30, 2025 Financial and Operating Results Conference Call and Webcast set for Tuesday, August 12, 2025, at 4:15 p.m. Eastern time “The Critical M

EXHIBIT 99.1 United States Antimony Corporation Announces Date For Release of Second Quarter and Six Months Ended June 30, 2025 Financial and Operating Results Conference Call and Webcast set for Tuesday, August 12, 2025, at 4:15 p.m. Eastern time “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~ DALLAS, TX / ACCESS Newswire / August 5, 2025 / United States Antimo

August 7, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) August 5, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) August 5, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

August 4, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 31, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 31, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

July 25, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) July 24, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) July 24, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Com

July 25, 2025 EX-99.1

United States Antimony Reports First Zeolite Mineral Reserve Technical Report “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~

EXHIBIT 99.1 United States Antimony Reports First Zeolite Mineral Reserve Technical Report “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~ DALLAS, TX / ACCESS Newswire / July 24, 2025 – United States Antimony Corporation (“USAC,” “US Antimony,” or the “Company”), (NYSE: UAMY) (NYSE Texas: UAMY), announced today final completion of its first mineral reserve techn

July 25, 2025 EX-96.1

Technical Report Summary per SEC S-K 1300 – Bear River Zeolite

EXHIBIT 96.1 Cover Image Credits Bear River Zeolite Mine Site (drone image), Processing Plant, Zeolite Crystal Image (SEM), and Digital Elevation Model (DEM) background. Images courtesy of Bear River Zeolite Company and GeoGRAFX Consulting. Bear River Zeolite Project Franklin County, USA Page: 3 Contents 1. Executive Summary 17 1.1 Introduction 17 1.2 Terms of Reference 17 1.3 Property Setting 17

July 15, 2025 EX-99.1

United States Antimony Provides Update on Both International and Domestic Antimony Procurements “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~

EXHIBIT 99.1 United States Antimony Provides Update on Both International and Domestic Antimony Procurements “The Critical Minerals and ZEO Company” ~ Antimony, Cobalt, Tungsten, and Zeolite ~ DALLAS, TX / ACCESS Newswire / July 14, 2025 – United States Antimony Corporation (“USAC,” “US Antimony,” or the “Company”), (NYSE, NYSE Texas: UAMY), provided today an update on its various procurement effo

July 15, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) July 14, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) July 14, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Com

July 15, 2025 EX-99.1

Presentation Materials

EXHIBIT 99.1

July 15, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) July 15, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) July 15, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Com

July 1, 2025 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) June 27, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) June 27, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (C

July 1, 2025 EX-99.1

Press Release issued by United States Antimony Corporation dated July 1, 2025 announcing its Dual Listing on NYSE Texas Exchange

EXHIBIT 99.1

July 1, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) June 27, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) June 27, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Com

June 30, 2025 CERT

NYSE TEXAS CERTIFICATION

New York Stock Exchange 11 Wall Street New York, NY 10005 Tel: +1 212.656.3000 nyse.com June 30, 2025 Chief, Information Technology Securities and Exchange Commission Division of Corporate Finance 100 F Street, NE MS 3040 Washington, DC 20549 To whom it may concern: The NYSE Texas certifies its approval for listing and registration of the Common Stock, $0.01 par value of UNITED STATES ANTIMONY COR

June 30, 2025 8-A12B

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 81-0305822 (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identific

June 27, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) June 23, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) June 23, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Com

June 12, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy Statement ☒ Definitive Additional Materials ☐ Soliciting Material Pursuant to § 240.

June 12, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box:  ☐ Preliminary Proxy Statement  ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy Statement  ☐ Definitive Additional Materials  ☐ Soliciting Material Pursuant to § 240.

June 2, 2025 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☒ Preliminary Proxy Statement  ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))  ☐ Definitive Proxy Statement  ☐ Definitive Additional Materials  ☐ Soliciting Material Pursuant to § 240.

May 13, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 8, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 8, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Commi

May 13, 2025 EX-99.1

Transcript of United States Antimony Corporation United States Antimony Corporation First Quarter 2025 Financial and Operating Results Call May 8, 2025

EXHIBIT 99.1 Transcript of United States Antimony Corporation United States Antimony Corporation First Quarter 2025 Financial and Operating Results Call May 8, 2025 Participants Gary Evans - CEO & Chairman, United States Antimony Corporation Joe Bardswich - EVP, Chief Mining Officer & Director, United States Antimony Corporation Richard Isaak - Senior Vice President & Chief Financial Officer, Unit

May 8, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 Or 15(d) Of The Securities Exchange Act of 1934 For the quarterly period ended March 31, 2025 ☐ Transition Report Under Section 13 Or 15(d) Of The Securities Exchange Act of 1934 For the transition period to COMMISSION FILE NUMBER 001-08675 UNITED STATES ANTIMONY C

May 8, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 8, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 8, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Commi

May 8, 2025 EX-95

Mine Safety Disclosure.

EXHIBIT 95 MINE SAFETY DISCLOSURE Pursuant to Section 1503(a) of the recently enacted Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”), issuers that are operators, or that have a subsidiary that is an operator, of a coal or other mine in the United States are required to disclose in their periodic reports filed with the SEC information regarding specified health and safety violations, orders and citations, issued under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”) by the Mine Safety and Health Administration (the “MSHA”), as well as related assessments and legal actions, and mining-related fatalities.

May 8, 2025 EX-99.1

United States Antimony Corporation Reports Record First Quarter 2025 Financial and Operating Results Revenues Up 128% YOY Gross Profit Up 302% YOY Net Income Up 269% YOY “The Critical Minerals and ZEO Company”

EXHIBIT 99.1 United States Antimony Corporation Reports Record First Quarter 2025 Financial and Operating Results Revenues Up 128% YOY Gross Profit Up 302% YOY Net Income Up 269% YOY “The Critical Minerals and ZEO Company” DALLAS, TX / ACCESS Newswire / May 8, 2025 – United States Antimony Corporation (“USAC” or the “Company” or “U.S. Antimony Corporation”), (NYSE: UAMY) reported today its first q

May 7, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 6, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 6, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Commi

May 7, 2025 EX-99.1

United States Antimony Corporation Announces Webcast set for Thursday, May 8, 2025, at 4:15 PM Eastern Time on Record First Quarter 2025 Financial and Operating Results

EXHIBIT 99.1 United States Antimony Corporation Announces Webcast set for Thursday, May 8, 2025, at 4:15 PM Eastern Time on Record First Quarter 2025 Financial and Operating Results DALLAS, TX / ACCESS Newswire / May 6, 2025 / United States Antimony Corporation ("USAC" or the “Company”), (NYSE American: UAMY) announces a Webcast set for Thursday, May 8, 2025 at 4:15 PM Eastern Time to report recor

April 30, 2025 EX-99.1

United States Antimony Corporation Announces Expansion Plans at its active Antimony Smelter located in Thompson Falls, Montana “The Critical Minerals and ZEO Company”

EXHIBIT 99.1 United States Antimony Corporation Announces Expansion Plans at its active Antimony Smelter located in Thompson Falls, Montana “The Critical Minerals and ZEO Company” DALLAS, TX / ACCESS Newswire / April 30, 2025 – United States Antimony Corporation (“USAC,” “U.S. Antimony,” or the “Company”), (NYSE: UAMY), announced today the completion of a lengthy review of its expansion plans at t

April 30, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) April 30, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) April 30, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

April 28, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) April 25, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) April 25, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

April 28, 2025 424B5

United States Antimony Corporation Up to $25,000,000 Common Stock

Filed Pursuant to Rule 424(b)(5) Registration No. 333-284057 PROSPECTUS SUPPLEMENT (To Prospectus dated April 24, 2025) United States Antimony Corporation Up to $25,000,000 Common Stock We previously entered into a Sales Agreement, or the sales agreement, with A.G.P./Alliance Global Partners, A.G.P. or the Agent, relating to shares of our common stock, $0.01 par value per share, offered by this pr

April 23, 2025 S-3/A

As filed with the Securities and Exchange Commission on April 22, 2025

As filed with the Securities and Exchange Commission on April 22, 2025 Registration No.

April 23, 2025 EX-FILING FEES

Filing fee table.

EXHIBIT 107 FORM S-3 (Form Type) REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 UNITED STATES ANTIMONY CORPORATION (Exact Name of Registrant as Specified in Its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Carry Forward Rule Amount Registered Proposed Maximum Offering Price per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Paid In Connection with Unsold Securities to be Carried Forward Newly Registered Securities Newly Registered Securities Equity Common Stock, $0.

April 22, 2025 CORRESP

United States Antimony Corporation P.O. Box 643

United States Antimony Corporation P.O. Box 643 Thompson Falls, MT 59873 April 22, 2025 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, DC 20549 Re: United States Antimony Corporation Registration Statement on Form S-3 (File No. 333-284057) Ladies and Gentlemen: Pursuant to Rule 461 under the Securities Act of 1933 and on be

April 21, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) April 21, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) April 21, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

April 18, 2025 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K/A (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K/A (Amendment No. 1) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-08675 UNITED

April 18, 2025 S-3/A

As filed with the Securities and Exchange Commission on April 18, 2025

As filed with the Securities and Exchange Commission on April 18, 2025 Registration No.

April 18, 2025 EX-FILING FEES

Filing fee table.

EXHIBIT 107 FORM S-3 (Form Type) REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 UNITED STATES ANTIMONY CORPORATION (Exact Name of Registrant as Specified in Its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Carry Forward Rule Amount Registered Proposed Maximum Offering Price per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Paid In Connection with Unsold Securities to be Carried Forward Newly Registered Securities Newly Registered Securities Equity Common Stock, $0.

April 14, 2025 EX-99.1

United States Antimony Corporation Secures $5 Million Line of Credit “The Critical Minerals and ZEO Company”

EXHIBIT 99.1 United States Antimony Corporation Secures $5 Million Line of Credit “The Critical Minerals and ZEO Company” DALLAS, TX / ACCESS Newswire / April 11, 2025 – United States Antimony Corporation (“USAC,” “U.S. Antimony,” or the “Company”), (NYSE: UAMY), the only vertically integrated antimony producer in North American, announces today that it has secured a $5 million line of credit with

April 14, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) April 11, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) April 11, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

March 24, 2025 EX-99.1

Transcript of United States Antimony Corporation Fourth Quarter 2024, Operating and Financial Results March 20, 2025

EXHIBIT 99.1 Transcript of United States Antimony Corporation Fourth Quarter 2024, Operating and Financial Results March 20, 2025 Participants Gary Evans - Chief Executive Officer & Chairman, United States Antimony Corp. Richard Isaak - Senior Vice President & Chief Financial Officer, United States Antimony Corp. Joe Bardswich - EVP, Chief Mining Officer & Director, United States Antimony Corp. Jo

March 24, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) March 20, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) March 20, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

March 20, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) March 20, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

March 20, 2025 EX-21.1

Subsidiaries of the Company

EXHIBIT 21.1 Subsidiaries of Registrant as of December 31, 2024 Name: Jurisdiction Bear River Zeolite Company Idaho Antimonio de Mexico, S.A. de C.V. Mexico US Antimony de Mexico, S.A. de C.V. Mexico Stibnite Holding Company US Inc. Montana Antimony Mining and Milling US LLC Montana AGAU Mines, Inc. Montana Lanxess Laurel de Mexico, S.A. de C.V. Mexico Great Land Minerals, LLC Alaska Denali Minera

March 20, 2025 EX-95

Mine Safety Disclosure

EXHIBIT 95 MINE SAFETY DISCLOSURE Pursuant to Section 1503(a) of the recently enacted Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”), issuers that are operators, or that have a subsidiary that is an operator, of a coal or other mine in the United States are required to disclose in their periodic reports filed with the SEC information regarding specified health and safety violations, orders and citations, issued under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”) by the Mine Safety and Health Administration (the “MSHA”), as well as related assessments and legal actions, and mining-related fatalities.

March 20, 2025 EX-99.1

United States Antimony Corporation Reports Record Fiscal Year 2024 Results

EXHIBIT 99.1 On Thursday, March 20, 2025, at 8:00 AM ET United States Antimony Corporation Reports Record Fiscal Year 2024 Results “The Critical Minerals and ZEO Company” Revenues Up 72% YOY Cost of Sales Down 5% YOY Gross Profit Up 204% YOY DALLAS, TX / ACCESS Newswire / March 20, 2025 / United States Antimony Corporation (“USAC,” the “Company” or “U.S. Antimony Corporation”), (NYSE: UAMY) report

March 20, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-08675 UNITED STATES ANTIMONY CORP

March 20, 2025 EX-14

Insider Trading Policy (included in Exhibit 14)

EXHIBIT 14 Code of Ethics Purpose Our code of ethics aims to give our employees guidelines on our business ethics and stance on various controversial matters.

March 18, 2025 EX-99.1

United States Antimony Corporation Announces Webcast set for Thursday, March 20, 2025, at 4:15 PM Eastern Time to Report Fiscal Year 2024 Financial and Operating Results

EXHIBIT 99.1 On Tuesday, March 18, 2025, at 08:00 AM ET United States Antimony Corporation Announces Webcast set for Thursday, March 20, 2025, at 4:15 PM Eastern Time to Report Fiscal Year 2024 Financial and Operating Results DALLAS, TX / ACCESS Newswire / March 18, 2025 / United States Antimony Corporation ("USAC" or the "Company"), (NYSE:UAMY) announces a webcast set for Thursday, March 20, 2025

March 18, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) March 18, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) March 18, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

January 23, 2025 EX-99.1

United States Antimony Corporation Provides Operational Update on Madero, Mexico Smelter “The Critical Minerals and ZEO Company”

EXHIBIT 99.1 United States Antimony Corporation Provides Operational Update on Madero, Mexico Smelter “The Critical Minerals and ZEO Company” DALLAS, TX / ACCESS Newswire / January 22, 2025 – United States Antimony Corporation (“USAC,” or the “Company”), (NYSE: UAMY) is providing an operational update today on its Madero, Mexico Smelter. Last week, a management team comprised of five members of th

January 23, 2025 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 22, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation)

January 22, 2025 EX-99.1

United States Antimony Corporation Announces Exclusive Option Agreement to Acquire Third Group of Alaska Antimony Mining Claims “The Critical Minerals and ZEO Company”

EXHIBIT 99.1 United States Antimony Corporation Announces Exclusive Option Agreement to Acquire Third Group of Alaska Antimony Mining Claims “The Critical Minerals and ZEO Company” DALLAS, TX / ACCESSWIRE / January 21, 2025 – United States Antimony Corporation (“USAC,” or the “Company”), (NYSE: UAMY) announced today that it has completed contract negotiations and entered into an exclusive option a

January 22, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 21, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 21, 2025 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation)

January 3, 2025 LETTER

LETTER

January 3, 2025 Gary Evans Chief Executive Officer United States Antimony Corporation P.

December 30, 2024 EX-99.1

United States Antimony Corporation Announces Second Contract for International Supply of Antimony Filing of $100 Million Universal Shelf Registration Statement on Form S-3 “The Critical Minerals and ZEO Company”

EXHIBIT 99.1 United States Antimony Corporation Announces Second Contract for International Supply of Antimony Filing of $100 Million Universal Shelf Registration Statement on Form S-3 “The Critical Minerals and ZEO Company” DALLAS, TX / ACCESSWIRE / December 30, 2024 / United States Antimony Corporation ("USAC", or the “Company”), (NYxSE: UAMY) announced today that it has entered into a second de

December 30, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) December 30, 2024 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation)

December 27, 2024 EX-4.9

Form of Subordinated Indenture

EXHIBIT 4.9 UNITED STATES ANTIMONY CORPORATION Issuer AND [ ] Trustee INDENTURE Dated as of [ ] Subordinated Debt Securities 1 CROSS-REFERENCE TABLE (1) Section of Trust Indenture Act Section of of 1939, as Amended Indenture 310(a). 7.09 310(b). 7.08 7.10 310(c). Inapplicable 311(a). 7.13(a) 311(b). 7.13(b) 311(c). Inapplicable 312(a) 5.02(a) 312(b). 5.02(b) 312(c). 5.02(c) 313(a). 5.04(a) 313(b).

December 27, 2024 EX-FILING FEES

Filing fee table.

EXHIBIT 107 FORM S-3 (Form Type) REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 UNITED STATES ANTIMONY CORPORATION (Exact Name of Registrant as Specified in Its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Carry Forward Rule Amount Registered Proposed Maximum Offering Price per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Paid In Connection with Unsold Securities to be Carried Forward Newly Registered Securities Newly Registered Securities Equity Common Stock, $0.

December 27, 2024 S-3

As filed with the Securities and Exchange Commission on December 27, 2024

As filed with the Securities and Exchange Commission on December 27, 2024 Registration No.

December 27, 2024 EX-4.8

Form of Senior Indenture

EXHIBIT 4.8 UNITED STATES ANTIMONY CORPORATION Issuer AND [ ] Trustee INDENTURE Dated as of [ ] Senior Debt Securities 1 CROSS-REFERENCE TABLE (1) Section of Trust Indenture Act Section of of 1939, as Amended Indenture 310(a). 7.09 310(b). 7.08 7.10 310(c). Inapplicable 311(a). 7.13(a) 311(b). 7.13(b) 311(c). Inapplicable 312(a) 5.02(a) 312(b). 5.02(b) 312(c). 5.02(c) 313(a). 5.04(a) 313(b). 5.04(

December 11, 2024 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) December 9, 2024 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (

December 11, 2024 EX-99.1

United States Antimony Corporation Announces Corporate Headquarters Move and Senior Management Changes Gary C. Evans – CEO & Chairman of the Board Joe Bardswich – EVP & Chief Mining Engineer “The Critical Minerals and ZEO Company”

EXHIBIT 99.1 United States Antimony Corporation Announces Corporate Headquarters Move and Senior Management Changes Gary C. Evans – CEO & Chairman of the Board Joe Bardswich – EVP & Chief Mining Engineer “The Critical Minerals and ZEO Company” DALLAS, TX / ACCESSWIRE / December 11, 2024 / United States Antimony Corporation ("USAC", or the “Company”), (NYSE: UAMY) announced today the decision by it

December 10, 2024 424B3

UNITED STATES ANTIMONY CORPORATION 10,060,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-283523 PROSPECTUS UNITED STATES ANTIMONY CORPORATION 10,060,500 Shares of Common Stock The selling stockholders of United States Antimony Corporation (“USAC,” “we,” “us” or the “Company”) identified in this prospectus, including their pledgees, donees, transferees, assigns or other successors in interest, may, from time to time, offer and resel

December 5, 2024 LETTER

LETTER

December 5, 2024 Gary Evans Co-Chief Executive Officer UNITED STATES ANTIMONY CORP P.

December 5, 2024 CORRESP

United States Antimony Corporation P.O. Box 643 Thompson Falls, MT 59873

United States Antimony Corporation P.O. Box 643 Thompson Falls, MT 59873 December 5, 2024 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, DC 20549 Re: United States Antimony Corporation Registration Statement on Form S-3 (File No. 333-283523) Ladies and Gentlemen: Pursuant to Rule 461 under the Securities Act of 1933 and on

November 29, 2024 EX-FILING FEES

Calculation of Filing Fee Table

EXHIBIT 107 CALCULATION OF REGISTRATION FEE FORM S-3 (Form Type) REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 UNITED STATES ANTIMONY CORPORATION (Exact Name of Registrant as Specified in Its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common stock 457(g) 9,256,500 $0.

November 29, 2024 S-3

As filed with the Securities and Exchange Commission on November 27, 2024

As filed with the Securities and Exchange Commission on November 27, 2024 Registration No.

November 13, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) November 12, 2024 UNITED STATESANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (

November 13, 2024 EX-99.1

Transcript of United States Antimony Corporation United States Antimony Corporation Third Quarter and Nine Months Ended September 30, 2024, Operating and Financial Results Call November 12, 2024

EX-99.1 2 uamyex991.htm EX-99.1 EXHIBIT 99.1 Transcript of United States Antimony Corporation United States Antimony Corporation Third Quarter and Nine Months Ended September 30, 2024, Operating and Financial Results Call November 12, 2024 Participants Gary C. Evans - Co-CEO & Chairman, United States Antimony Corporation Joe Bardswich - Co-CEO & Director, United States Antimony Corporation Richard

November 12, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 Or 15(d) Of The Securities Exchange Act of 1934 For the quarterly period ended September 30, 2024 ☐ Transition Report Under Section 13 Or 15(d) Of The Securities Exchange Act of 1934 For the transition period to COMMISSION FILE NUMBER 001-08675 UNITED STATES ANTIMO

November 12, 2024 EX-99.1

Press release issued by United States Antimony Corporation, dated November 12, 2024, reporting the Company’s financial results for the third quarter and nine months ended September 30, 2024, furnished herewith.

EXHIBIT 99.1

November 12, 2024 EX-31.1B

Rule 15d-14(a) Certification by Co-Principal Executive Officer.

EXHIBIT 31.1B Certification I, Lloyd Joseph Bardswich, certify that: 1. I have reviewed this quarterly report on Form 10-Q of United States Antimony Corporation for the quarter ended September 30, 2024; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances

November 12, 2024 424B5

United States Antimony Corporation Up to $25,000,000 Common Stock

Filed Pursuant to Rule 424(b)(5) Registration No. 333-262206 PROSPECTUS SUPPLEMENT (To Prospectus dated January 31, 2022) United States Antimony Corporation Up to $25,000,000 Common Stock We have entered into a Sales Agreement, or sales agreement, with A.G.P./Alliance Global Partners, A.G.P. or the Agent, relating to shares of our common stock, $0.01 par value per share, offered by this prospectus

November 12, 2024 EX-31.1A

Rule 15d-14(a) Certification by Co-Principal Executive Officer.

EXHIBIT 31.1A Certification I, Gary C. Evans, certify that: 1. I have reviewed this quarterly report on Form 10-Q of United States Antimony Corporation for the quarter ended September 30, 2024; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under whi

November 12, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) November 12, 2024 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation)

November 12, 2024 EX-1.1

Sales Agreement between United States Antimony Corporation and A.G.P./Alliance Global Partners, dated November 12, 2024 (incorporated by reference to Exhibit 1.1 to the Company’s Quarterly Report on Form 10-Q filed with the SEC on November 12, 2024)

EXHIBIT 1.1 UNITED STATES ANTIMONY CORPORATION COMMON STOCK SALES AGREEMENT November 12, 2024 A.G.P./Alliance Global Partners 590 Madison Avenue New York, NY 10022 Ladies and Gentlemen: United States Antimony Corporation, a Montana corporation (the “Company”), confirms its agreement (this “Agreement”) with A.G.P./Alliance Global Partners (the “Sales Agent”), as follows: 1. Issuance and Sale of Sha

November 12, 2024 EX-95

Mine Safety Disclosure.

EXHIBIT 95 MINE SAFETY DISCLOSURE Pursuant to Section 1503(a) of the recently enacted Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”), issuers that are operators, or that have a subsidiary that is an operator, of a coal or other mine in the United States are required to disclose in their periodic reports filed with the SEC information regarding specified health and safety violations, orders and citations, issued under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”) by the Mine Safety and Health Administration (the “MSHA”), as well as related assessments and legal actions, and mining-related fatalities.

November 12, 2024 EX-4.1

Description of Securities (incorporated by reference as Exhibit 4.1 to the Company’s Quarterly Report on Form 10-Q filed with the SEC on November 12, 2024).

EXHIBIT 4.1 DESCRIPTION OF SECURITIES The following description of capital stock summarizes certain provisions of our Third Restated Articles of Incorporation (the “Articles of Incorporation”) and our First Restated By-Laws (the “Bylaws”). The description is intended as a summary, and is qualified in its entirety by reference to our Articles of Incorporation and our Bylaws. Authorized Capital Stoc

November 7, 2024 EX-99.1

1

EXHIBIT 99.1 1 2

November 7, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) November 7, 2024 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (

August 13, 2024 EX-99.1

Transcript of United States Antimony Corporation Second Quarter and Six Months Ended June 30, 2024 Operating and Financial Results August 9, 2024

EXHIBIT 99.1 Transcript of United States Antimony Corporation Second Quarter and Six Months Ended June 30, 2024 Operating and Financial Results August 9, 2024 Participants Gary Evans - Co-CEO & Chairman, United States Antimony Corporation Richard Isaak - Senior Vice President & Chief Financial Officer, United States Antimony Corporation Joe Bardswich - Co-CEO & Director, United States Antimony Cor

August 13, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) August 9, 2024 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

August 9, 2024 EX-3.2

First Restated Bylaws (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K filed with the SEC on May 20, 2024).

EXHIBIT 3.2 FIRST RESTATED BYLAWS OF UNITED STATES ANTIMONY CORPORATION (a Montana corporation) ARTICLE I OFFICES Section 1.01. Registered Agent and Principal Office. The address of the Corporation’s registered office and the name of its registered agent at that office shall be as set forth in the Corporation’s articles of incorporation (the ‘Articles of Incorporation’). The Board of Directors may

August 9, 2024 EX-31.1B

Rule 15d-14(a) Certification by Co-Principal Executive Officer.

EXHIBIT 31.1B Certification I, Lloyd Joseph Bardswich, certify that: 1. I have reviewed this quarterly report on Form 10-Q of United States Antimony Corporation for the quarter ended June 30, 2024; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under

August 9, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 Or 15(d) Of The Securities Exchange Act of 1934 For the quarterly period ended June 30, 2024 ☐ Transition Report Under Section 13 Or 15(d) Of The Securities Exchange Act of 1934 For the transition period to COMMISSION FILE NUMBER 001-08675 UNITED STATES ANTIMONY CO

August 9, 2024 EX-99.1

United States Antimony Corporation Announces Webcast set for Friday, August 9, 2024, at 3:15 PM Central Time to Review the Second Quarter and Six Months Ended June 30, 2024 Operating and Financial Results “The Critical Minerals and ZEO Company”

EXHIBIT 99.1 United States Antimony Corporation Announces Webcast set for Friday, August 9, 2024, at 3:15 PM Central Time to Review the Second Quarter and Six Months Ended June 30, 2024 Operating and Financial Results “The Critical Minerals and ZEO Company” THOMPSON FALLS, MT / ACCESSWIRE / August 8, 2024 / United States Antimony Corporation ("USAC", the “Company”), (NYSE: UAMY) announces Webcast

August 9, 2024 EX-99.1

United States Antimony Corporation Reports Second Quarter and Six Months Ended June 30, 2024 Results “The Critical Minerals and ZEO Company”

EXHIBIT 99.1 United States Antimony Corporation Reports Second Quarter and Six Months Ended June 30, 2024 Results “The Critical Minerals and ZEO Company” THOMPSON FALLS, MT / ACCESSWIRE / August 9, 2024 /United States Antimony Corporation ("USAC" or the “Company” or “U.S. Antimony Corporation”), (NYSE American: UAMY) reported today its second quarter and six months ended June 30, 2024 financial an

August 9, 2024 EX-31.1A

Rule 15d-14(a) Certification by Co-Principal Executive Officer.

EXHIBIT 31.1A Certification I, Gary C. Evans, certify that: 1. I have reviewed this quarterly report on Form 10-Q of United States Antimony Corporation for the quarter ended June 30, 2024; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which su

August 9, 2024 EX-95

Mine Safety Disclosure.

EXHIBIT 95 MINE SAFETY DISCLOSURE Pursuant to Section 1503(a) of the recently enacted Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”), issuers that are operators, or that have a subsidiary that is an operator, of a coal or other mine in the United States are required to disclose in their periodic reports filed with the SEC information regarding specified health and safety violations, orders and citations, issued under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”) by the Mine Safety and Health Administration (the “MSHA”), as well as related assessments and legal actions, and mining-related fatalities.

August 9, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) August 8, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) August 8, 2024 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

August 9, 2024 EX-3.1

Third Restated Articles of Incorporation (incorporated by reference as Exhibit 3.1 to the Company’s current Report on Form 8-K filed with the SEC on August 5, 2024).

EXHIBIT 3.1 THIRD RESTATED ARTICLES OF INCORPORATION OF UNITED STATES ANTIMONY CORPORATION Pursuant to the applicable sections of the Montana Business Corporation Act (the “MBCA”), the undersigned amends and restates in their entirety the Second Restated Articles of Incorporation of United States Antimony Corporation initially filed on January 14, 1970, and as thereafter amended on March 28, 1984,

August 9, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) August 9, 2024 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

August 6, 2024 EX-3.1

Third Restated Articles of Incorporation (incorporated by reference as Exhibit 3.1 to the Company’s current Report on Form 8-K filed with the SEC on August 5, 2024).

EXHIBIT 3.1 THIRD RESTATED ARTICLES OF INCORPORATION OF UNITED STATES ANTIMONY CORPORATION Pursuant to the applicable sections of the Montana Business Corporation Act (the “MBCA”), the undersigned amends and restates in their entirety the Second Restated Articles of Incorporation of United States Antimony Corporation initially filed on January 14, 1970, and as thereafter amended on March 28, 1984,

August 6, 2024 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Material Modification to Rights of Security Holders, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 30, 2024 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Co

June 4, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy State

May 21, 2024 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

May 20, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 15, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 15, 2024 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Comm

May 20, 2024 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 17, 2024 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Com

May 20, 2024 EX-99.1

Transcript of United States Antimony Corporation United States Antimony Corporation First Quarter 2024 Results Webcast May 15, 2024

EXHIBIT 99.1 Transcript of United States Antimony Corporation United States Antimony Corporation First Quarter 2024 Results Webcast May 15, 2024 Participants Gary C. Evans - Chairman of the Board, United States Antimony Corporation Joe Bardswich - Co-CEO, United States Antimony Corporation Richard Isaak - Chief Financial Officer, United States Antimony Corporation Analysts Presentation Operator Gr

May 20, 2024 EX-3.1

First Restated Bylaws (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K filed with the SEC on May 20, 2024).

EXHIBIT 3.1 FIRST RESTATED BYLAWS OF UNITED STATES ANTIMONY CORPORATION (a Montana corporation) ARTICLE I OFFICES Section 1.01.Registered Agent and Principal Office. The address of the Corporation’s registered office and the name of its registered agent at that office shall be as set forth in the Corporation’s articles of incorporation (the ‘Articles of Incorporation’). The Board of Directors may

May 15, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 15, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 15, 2024 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Comm

May 15, 2024 EX-95

Mine Safety Disclosure.

EXHIBIT 95 MINE SAFETY DISCLOSURE Pursuant to Section 1503(a) of the recently enacted Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”), issuers that are operators, or that have a subsidiary that is an operator, of a coal or other mine in the United States are required to disclose in their periodic reports filed with the SEC information regarding specified health and safety violations, orders and citations, issued under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”) by the Mine Safety and Health Administration (the “MSHA”), as well as related assessments and legal actions, and mining-related fatalities.

May 15, 2024 EX-FILING FEES

Filing Fee Table

EXHIBIT 107.1 CALCULATION OF REGISTRATION FEE FORM S-8 (Form Type) REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 UNITED STATES ANTIMONY CORPORATION (Exact Name of Registrant as Specified in Its Charter) Table 1: Newly Registered Securities Security Type Security Class Title (1) Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit (2) Maximum Aggregate Offer

May 15, 2024 EX-31.1A

Rule 15d-14(a) Certification by Co-Principal Executive Officer.

EXHIBIT 31.1A Certification I, Gary C. Evans, certify that: 1. I have reviewed this quarterly report on Form 10-Q of United States Antimony Corporation for the quarter ended March 31, 2024; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which s

May 15, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 Or 15(d) Of The Securities Exchange Act of 1934 For the quarterly period ended March 31, 2024 ☐ Transition Report Under Section 13 Or 15(d) Of The Securities Exchange Act of 1934 For the transition period to COMMISSION FILE NUMBER 001-08675 UNITED STATES ANTIMONY C

May 15, 2024 EX-31.1B

Rule 15d-14(a) Certification by Co-Principal Executive Officer.

EXHIBIT 31.1B Certification I, Lloyd Joseph Bardswich, certify that: 1. I have reviewed this quarterly report on Form 10-Q of United States Antimony Corporation for the quarter ended March 31, 2024; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances unde

May 15, 2024 S-8

As filed with the Securities and Exchange Commission on May 15, 2024

As filed with the Securities and Exchange Commission on May 15, 2024 Registration No.

May 15, 2024 EX-99.1

United States Antimony Corporation Reports First Quarter 2024 Results

EXHIBIT 99.1 United States Antimony Corporation Reports First Quarter 2024 Results THOMPSON FALLS, MT / ACCESSWIRE / May 15, 2024 / United States Antimony Corporation ("USAC" or the “Company” or “U.S. Antimony Corporation”), (NYSE American: UAMY) reports today its first quarter 2024 financial and operational results. Revenues for the first quarter of 2024 increased 28%, or $621k, to $2.83 million,

May 14, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 14, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) May 14, 2024 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Comm

May 14, 2024 EX-99.1

United States Antimony Corporation Announces Webcast set for Wednesday, May 15, 2024, at 4:15 PM Eastern Time on First Quarter 2024 Results

EXHIBIT 99.1 United States Antimony Corporation Announces Webcast set for Wednesday, May 15, 2024, at 4:15 PM Eastern Time on First Quarter 2024 Results THOMPSON FALLS, MT / ACCESSWIRE / May 14, 2024 / United States Antimony Corporation ("USAC" or the “Company”), (NYSE American: UAMY) announces a Webcast set for Wednesday, May 15, 2024 at 4:15 PM Eastern Time on First Quarter 2024 Financial and Op

April 19, 2024 8-K/A

Costs Associated with Exit or Disposal Activities

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 11, 2024 UNITEDSTATESANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of

April 19, 2024 EX-99.1

Transcript of United States Antimony Corporation Calendar Year 2023 Financial and Operational Results Conference Call April 17, 2024

EXHIBIT 99.1 Transcript of United States Antimony Corporation Calendar Year 2023 Financial and Operational Results Conference Call April 17, 2024 Participants Gary C. Evans – Chairman and Co-CEO, United States Antimony Corporation Rick Isaak - SVP & Chief Financial Officer, United States Antimony Corporation Joe Bardswich – Board Member and Co-CEO, United States Antimony Corporation Presentation O

April 19, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) April 17, 2024 UNITEDSTATESANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Comm

April 16, 2024 EX-99.1

United States Antimony Corporation Announces Webcast set for Wednesday, April 17, 2024, at 2:15 PM Mountain Time on Calendar Year 2023 Results

EXHIBIT 99.1 United States Antimony Corporation Announces Webcast set for Wednesday, April 17, 2024, at 2:15 PM Mountain Time on Calendar Year 2023 Results THOMPSON FALLS, MT / ACCESSWIRE / April 16, 2024 / United States Antimony Corporation ("USAC", the “Company”), (NYSE American: UAMY) announces Webcast set for Wednesday, April 17, 2024, at 2:15 PM Mountain Time on Calendar Year 2023 Financial a

April 16, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) April 16, 2024 UNITEDSTATESANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (Comm

April 12, 2024 EX-4.1

Description of Company’s Securities Registered Pursuant to Section 12 of the Exchange Act

EXHIBIT 4.1 DESCRIPTION OF SECURITIES Common Stock We are authorized to issue 150,000,000 shares of our common stock, par value $0.01 per share, each share of common stock having equal rights and preferences. There were 107,647,317 shares of common stock outstanding as of March 18, 2024. The shares of our common stock constitute equity interests in the Company entitling each shareholder to a pro r

April 12, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-08675 UNITED STATES ANTIMONY CORP

April 12, 2024 EX-10.1

United States Antimony Corporation 2023 Equity Incentive Plan

EXHIBIT 10.1 UNITED STATES ANTIMONY CORPORATION 2023 EQUITY INCENTIVE PLAN 1. Purpose; Eligibility. 1.1 General Purpose. The name of this plan is the United States Antimony Corporation 2023 Equity Incentive Plan (the “Plan”). The purposes of the Plan are to (a) enable United States Antimony Corporation, a Montana corporation (the “Company”), and any Affiliate to attract and retain the types of Emp

April 12, 2024 EX-31.1B

Certification of Principal Executive Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) under the Exchange Act, as adopted pursuant to Section 302 of the Sarbanes Oxley Act of 2002.

EXHIBIT 31.1b Certification of Principal Executive Officer Pursuant to Exchange Act Rule 13a-14(a)/15d-14(a) as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Lloyd Joseph Bardswich, certify that: (1) I have reviewed this annual report on Form 10-K of United States Antimony Corporation; (2) Based on my knowledge, this report does not contain any untrue statement of a material

April 12, 2024 EX-21.1

Subsidiaries of the Company

EXHIBIT 21.1 Subsidiaries of Registrant as of December 31, 2023 Name: Jurisdiction Bear River Zeolite Company Idaho Antimonio de Mexico, S.A. de C.V. Mexico United States Antimony, Mexico, S.A. de C.V. Mexico Stibnite Holding Company US Inc. Montana Antimony Mining and Milling US LLC Montana AGUA Mines, Inc. Montana Lanxess Laurel de Mexico, S.A. de C.V. Mexico

April 12, 2024 EX-31.1A

Certification of Principal Executive Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) under the Exchange Act, as adopted pursuant to Section 302 of the Sarbanes Oxley Act of 2002.

EXHIBIT 31.1a Certification of Principal Executive Officer Pursuant to Exchange Act Rule 13a-14(a)/15d-14(a) as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Gary C. Evans, certify that: (1) I have reviewed this annual report on Form 10-K of United States Antimony Corporation; (2) Based on my knowledge, this report does not contain any untrue statement of a material fact or

April 12, 2024 EX-95

Mine Safety Disclosure

EXHIBIT 95 MINE SAFETY DISCLOSURE Pursuant to Section 1503(a) of the recently enacted Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”), issuers that are operators, or that have a subsidiary that is an operator, of a coal or other mine in the United States are required to disclose in their periodic reports filed with the SEC information regarding specified health and safety violations, orders and citations, issued under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”) by the Mine Safety and Health Administration (the “MSHA”), as well as related assessments and legal actions, and mining-related fatalities.

April 12, 2024 EX-97

United States Antimony Clawback Policy (incorporated by reference to Exhibit 97 to the Company’s Annual Report on Form 10-K filed with the SEC on April 12, 2024).

EXHIBIT 97 UNITED STATES ANTIMONY CORPORATION CLAWBACK POLICY 1. Introduction. The Board of Directors (the “Board”) of United States Antimony Corporation (the “Company”) believes that it is in the best interests of the Company and its shareholders to create and maintain a culture that emphasizes integrity and accountability and that reinforces the Company’s pay-for-performance compensation philoso

March 29, 2024 NT 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 SEC FILE NUMBER 001-08675 CUSIP NUMBER NOTIFICATION OF LATE FILING 911549103 (Check one): ☒ Form 10-K ☐ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended: De 31, 2023 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transitio

March 11, 2024 8-K

Costs Associated with Exit or Disposal Activities

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 11, 2024 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation) (C

March 4, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) March 1, 2024 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction (Commission (IRS Emplo

March 4, 2024 EX-99.1

U.S. Antimony (UAMY) Announces Executive Management Changes

EXHIBIT 99.1 U.S. Antimony (UAMY) Announces Executive Management Changes THOMPSON FALLS, MT / ACCESSWIRE / March 4, 2024 / United States Antimony Corporation ("USAC"), (NYSE: UAMY) announced today changes with the executive level management of the Company. These executive management changes are effective March 1, 2024. Mr. John (Gus) Gustavsen has been appointed President of the Company’s Antimony

February 26, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) February 26, 2024 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305822 (State or other jurisdiction of incorporation)

February 26, 2024 EX-99.1

U.S. Antimony (UAMY) Announces Addition of Joseph A. Carrabba to Its Board of Directors

EXHIBIT 99.1 U.S. Antimony (UAMY) Announces Addition of Joseph A. Carrabba to Its Board of Directors THOMPSON FALLS, MT / ACCESSWIRE / February 26, 2024 / United States Antimony Corporation ("USAC"), (NYSE: UAMY) is pleased to announce the addition of Joseph A. Carrabba, age 71, as an Independent Director to its board. Mr. Carrabba is the Retired Chairman, President and Chief Executive Officer of

January 9, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 29, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 29, 2023 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305825 (State or other jurisdiction of incorporation)

November 24, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) November 17, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) November 17, 2023 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305825 (State or other jurisdiction of incorporation)

November 24, 2023 EX-99.1

Transcript of United States Antimony Corporation Third Quarter Financial Review and Investor Update Webcast November 17, 2023

EXHIBIT 99.1 Transcript of United States Antimony Corporation Third Quarter Financial Review and Investor Update Webcast November 17, 2023 Participants Gary Evans - Chairman of the Board, United States Antimony Corporation John Gustavsen - Chief Executive Officer, United States Antimony Corporation Joe Bardswich - Board of Directors, United States Antimony Corporation Richard Isaak - Senior Vice P

November 17, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) November 15, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) November 15, 2023 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305825 (State or other jurisdiction of incorporation)

November 17, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy State

November 17, 2023 EX-99.1

United States Antimony Corporation Announces Company Update / Investor Webcast for Friday, November 17th at 2:00 PM Mountain Time (4:00 PM Eastern)

EXHIBIT 99.1 United States Antimony Corporation Announces Company Update / Investor Webcast for Friday, November 17th at 2:00 PM Mountain Time (4:00 PM Eastern) THOMPSON FALLS, MT / ACCESSWIRE / November 15, 2023 / United States Antimony Corporation ("USAC"), (NYSE American: UAMY) announces a Third Quarter Financial Review / Investor Update Webcast for Friday, the 17th of November at 2:00 PM Mount

November 13, 2023 EX-95

Mine Safety Disclosure

EXHIBIT 95 MINE SAFETY DISCLOSURE Pursuant to Section 1503(a) of the recently enacted Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”), issuers that are operators, or that have a subsidiary that is an operator, of a coal or other mine in the United States are required to disclose in their periodic reports filed with the SEC information regarding specified health and safety violations, orders and citations, issued under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”) by the Mine Safety and Health Administration (the “MSHA”), as well as related assessments and legal actions, and mining-related fatalities.

November 13, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 Or 15(d) Of The Securities Exchange Act of 1934 For the quarterly period ended September 30, 2023 ☐ Transition Repo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 Or 15(d) Of The Securities Exchange Act of 1934 For the quarterly period ended September 30, 2023 ☐ Transition Report Under Section 13 Or 15(d) Of The Securities Exchange Act of 1934 For the transition period to COMMISSION FILE NUMBER 001-08675 UNITED STATES ANTIMO

October 30, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) October 27, 2023 UNITED STATES ANTIMONY CORPORATION (Exact name of registrant as specified in its charter) Montana 001-08675 81-0305825 (State or other jurisdiction of incorporation) (

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