# EDGAR Filing Document

**Accession Number:** 0000101538
**File Stem:** 0001193125-25-274670
**Filing Date:** 2025-11
**Character Count:** 13502
**Document Hash:** f95ea734dbaf707838aff1fe7105ed9e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-274670.hdr.sgml**: 20251110

**ACCESSION NUMBER**: 0001193125-25-274670

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20251110

**DATE AS OF CHANGE**: 20251110

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** UNITED STATES ANTIMONY CORP
- **CENTRAL INDEX KEY:** 0000101538
- **STANDARD INDUSTRIAL CLASSIFICATION:** PRIMARY SMELTING & REFINING OF NONFERROUS METALS [3330]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 810305822
- **STATE OF INCORPORATION:** MT
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-33658
- **FILM NUMBER:** 251467645

**BUSINESS ADDRESS:**
- **STREET 1:** 4438 W LOVERS LANE
- **STREET 2:** UNIT 100
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75209
- **BUSINESS PHONE:** 4068273523

**MAIL ADDRESS:**
- **STREET 1:** 4438 W LOVERS LANE
- **STREET 2:** UNIT 100
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75209

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AGAU MINES INC
- **DATE OF NAME CHANGE:** 19740728
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Dugan Patrick W
- **CENTRAL INDEX KEY:** 0001386726

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**MAIL ADDRESS:**
- **STREET 1:** 1415 LOUISIANA SUITE 3100
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002

### Attached PDF Documents

**Attachment 1:** `ck0000000000-ex99_1.pdf`

_No text found in this document._

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 4)**

**UNITED STATES ANTIMONY CORPORATION**

*(Name of Issuer)*

**CLASS A COMMON STOCK, PAR VALUE $0.01**

*(Title of Class of Securities)*

**911549103**

*(CUSIP Number)*

**Patrick Dugan**<br>3009 Post Oak Boulevard, Suite 1212<br>Houston TX 77056<br>713-658-1142

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**10/29/2025**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **911549103** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Patrick Dugan** | Name of reporting person<br>**Patrick Dugan** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**233846.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**5466714.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**233846.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**5466714.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**5700560.00** | Aggregate amount beneficially owned by each reporting person<br>**5700560.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**4.1%** | Percent of class represented by amount in Row (11)<br>**4.1%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** * Calculated as set forth in Item 5.

(This represents the aggregate number of shares held by the group as a whole and is comprised of (i) 233,846 shares of common stock, par value $0.01 per share ("Common Stock") of the Issuer held directly by Mr. Dugan with sole voting power; (ii) 1,520,122 shares of the Issuer's Common Stock held by The Estate of Lydia Dugan, for which Mr. Dugan serves as executor (the "Estate"); (iii) 2,051,681 shares of the Issuer's Common Stock held by Delaware Royalty (as defined below), which the Estate and the Lydia Pate Dugan 1986 Trust (the "1986 Trust") are the controlling shareholders of and Mr. Dugan is the Vice President of; (iv) 162,844 shares of the Issuer's Common Stock held by Houston Resources (as defined below), which the Estate and the Lydia P. Dugan Marital Trust (the "Marital Trust") are the controlling shareholders of and Mr. Dugan is the Vice President of; (v) 127,167 shares of the Issuer's Common Stock held by Anglo Exploration (as defined below), which the Estate and the Marital Trust are the controlling shareholders of and Mr. Dugan is the Vice President of; (vi) 120,102 shares of the Issuer's Common Stock held by Nortex (as defined below), which the Estate and the 1986 Trust are the controlling shareholders of and Mr. Dugan is the Vice President of; (vii) 1,484,798 shares of the Issuer's Common Stock previously held by the Martial Trust, which are to be distributed to a trust for Patrick Dugan and his descendants. Patrick Dugan, in his capacity as executor of the Estate, as trustee of the Marital Trust, and as trustee of the 1986 Trust, holds the sole voting and disposition power of the shares held by the Estate and Marital Trust, and the 1986 Trust, which are the controlling shareholders of the above mentioned entities.

(2)	Based on 138,878,411 shares of common stock outstanding as at October 13, 2025, as disclosed in the prospectus supplement on Form 424(b) filed by United States Antimony Corporation (the "Company"), with the Securities and Exchange Commission on October 17, 2025.

| **CUSIP No.** | **911549103** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Estate of Lydia Dugan** | Name of reporting person<br>**Estate of Lydia Dugan** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**3004920.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**2695640.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**3004920.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**2695640.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**5700560.00** | Aggregate amount beneficially owned by each reporting person<br>**5700560.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**4.1%** | Percent of class represented by amount in Row (11)<br>**4.1%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**OO** | Type of Reporting Person (See Instructions)<br>**OO** | |

---

**Comment for Reporting Person:** * Calculated as set forth in Item 5.

Upon Lydia Dugan's passing in March 2025, the shares of common stock directly and beneficially owned by her were transferred to the Estate.

(2) This represents the aggregate number of shares held by the group as a whole and is comprised of (i) 233,846 shares of common stock, par value $0.01 per share ("Common Stock") of the Issuer held directly by Mr. Dugan with sole voting power; (ii) 1,520,122 shares of the Issuer's Common Stock held by The Estate of Lydia Dugan, for which Mr. Dugan serves as executor (the "Estate"); (iii) 2,051,681 shares of the Issuer's Common Stock held by Delaware Royalty (as defined below), which the Estate and the Lydia Pate Dugan 1986 Trust (the "1986 Trust") are the controlling shareholders of and Mr. Dugan is the Vice President of; (iv) 162,844 shares of the Issuer's Common Stock held by Houston Resources (as defined below), which the Estate and the Lydia P. Dugan Marital Trust (the "Marital Trust") are the controlling shareholders of and Mr. Dugan is the Vice President of; (v) 127,167 shares of the Issuer's Common Stock held by Anglo Exploration (as defined below), which the Estate and the Marital Trust are the controlling shareholders of and Mr. Dugan is the Vice President of; (vi) 120,102 shares of the Issuer's Common Stock held by Nortex (as defined below), which the Estate and the 1986 Trust are the controlling shareholders of and Mr. Dugan is the Vice President of; (vii) 1,484,798 shares of the Issuer's Common Stock previously held by the Martial Trust, which are to be distributed to a trust for Patrick Dugan and his descendants. Patrick Dugan, in his capacity as executor of the Estate, as trustee of the Marital Trust, and as trustee of the 1986 Trust, holds the sole voting and disposition power of the shares held by the Estate and Marital Trust, and the 1986 Trust, which are the controlling shareholders of the above mentioned entities.

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
CLASS A COMMON STOCK, PAR VALUE $0.01

**(b) Name of Issuer:**
UNITED STATES ANTIMONY CORPORATION

**(c) Address of Issuer's Principal Executive Offices:**
4438 W. Lovers Lane, Unit 100, Dallas, TX, 75209

This Amendment No. 4 (the "Amendment No. 4") to the Schedule 13D amends the statement on Schedule 13D that was originally filed with the U.S. Securities and Exchange Commission (the "Commission") on May 15, 2002 (the "Schedule 13D") as amended on January 17, 2003, January 15, 2024, and April 26, 2019 filed by the Reporting Persons (as defined below) related to the shares of common stock, par value $0.01 per share (the "Shares"), of United States Antimony Corporation (the "Issuer").
This Amendment No. 4 is the final amendment to the Schedule 13D and constitutes an exit filing for the Reporting Persons.

**Item 4. Purpose of Transaction**

Item 4 is hereby amended and supplemented with the following:

This Amendment No. 4 is being filed to update the Reporting Persons and the percentage ownership of the Reporting Persons as a result of Lydia Dugan's passing on March 25, 2025, and to report the dispositions of the shares pursuant to sales in the open market via a broker on October 28, 2025 for an aggregate amount of 1,022,089 shares, and on October 29, 2025 for an aggregate amount of 1,346,278 shares.

As a result, the Reporting Persons ceased to be the beneficial owner of more than five percent (5%) of the outstanding securities of Issuer. The filing of this Amendment No. 4 represents the final amendment to the Schedule 13D and constitutes an exit filing for the Reporting Persons.

**Item 5. Interest in Securities of the Issuer**

**(a)**
The responses of the Reporting Persons to rows 7, 8, 9, 10, 11 and 13 on the cover pages of this Amendment are incorporated herein by reference.

**(b)**
The responses of the Reporting Persons to rows 7, 8, 9, 10, 11 and 13 on the cover pages of this Amendment are incorporated herein by reference.

**(c)**
The Reporting Persons (together through the corporations that beneficially own the shares of the Issuer's common stock) sold 1,022,089 shares of the Issuer's common stock on October, 27, 2025 on the open market at a price of $9.41 per share. The transaction was effected on October 28, 2025.

The Reporting Persons (together through the corporations that beneficially own the shares of the Issuer's common stock) sold 1,346,278 shares of the Issuer's common stock on October 28, 2025 on the open market at a price of $9.29 per share. The transaction was effected on October 29, 2025.

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

None.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Patrick Dugan

**Signature:** /s/ Patrick Dugan

**Name/Title:** Patrick Dugan

**Date:** 11/10/2025

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Estate of Lydia Dugan

**Signature:** /s/ Patrick Dugan

**Name/Title:** Patrick Dugan, Executor

**Date:** 11/10/2025