OTHER INFORMATION.
−Removed: On March 23, 2026 , Michael A.
−Removed: McManus , a member of the Company’s Board of Directors , adopted a Rule 10b5-1 trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Securities Exchange Act of 1934, as amended.
−Removed: McManus’s plan covers the sale of up to 100,000 shares of the Company’s common stock between June 22, 2026 and December 31, 2026 , subject to earlier termination in accordance with its terms.
−Removed: Transactions under the plan are based upon pre-established dates and stock price thresholds.
+Added: During the quarter ended June 30, 2026, no director or officer of the Company adopted or terminated a “ Rule 10b5-1 trading arrangement” or a “ non-Rule 10b5-1 trading arrangement,” as those terms are defined in Item 408 of Regulation S-K.
Certificate of Formation (incorporated by reference as Exhibit 3.1 to the Company’s Current Report on Form 8-K filed with the SEC on August 28, 2025).
Bylaws (incorporated by reference as Exhibit 3.2 to the Company’s Current Report on Form 8-K filed with the SEC on August 28, 2025).
−Removed: Rule 15d-14(a) Certification by Principal Executive Officer.
−Removed: Rule 15d-14(a) Certification by Principal Financial Officer.
−Removed: Section 1350 Certification of Principal Executive Officer and Principal Financial Officer.
+Added: Certification by Principal Executive Officer pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
+Added: Certification by Principal Financial Officer pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
+Added: Certification of Principal Executive Officer and Principal Financial Officer pursuant to Section 1350, Chapter 63 of Title 18, United States Code, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
Mine Safety Disclosure.
−Removed: Technical Report Summary and Initial Assessment on the Fostung Tungsten Property (incorporated by reference as Exhibit 99 to the Company’s Current Report on Form 8-K filed with the SEC on April 10, 2026).
Inline XBRL Instance Document.
6 unchanged sentences
Filed herewith.
+Added: Furnished herewith.
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
UNITED STATES ANTIMONY CORPORATION
+Added: August 11, 2026
Chairman of the Board and CEO
(principal executive officer)
+Added: August 11, 2026
Interim Chief Financial Officer
1 unchanged sentence
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.