# EDGAR Filing Document

**Accession Number:** 0001785185
**File Stem:** 0001785185-25-000009
**Filing Date:** 2025-12
**Character Count:** 13292
**Document Hash:** 564df37783cf5533d9c75b154d5b2df9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001785185-25-000009.hdr.sgml**: 20251202

**ACCESSION NUMBER**: 0001785185-25-000009

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

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251202

**DATE AS OF CHANGE**: 20251202

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Texas Mineral Resources Corp.
- **CENTRAL INDEX KEY:** 0001445942
- **STANDARD INDUSTRIAL CLASSIFICATION:** GOLD & SILVER ORES [1040]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 870294969
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0831

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-86282
- **FILM NUMBER:** 251543004

**BUSINESS ADDRESS:**
- **STREET 1:** 539 EL PASO STREET
- **CITY:** SIERRA BLANCA
- **STATE:** TX
- **ZIP:** 79851
- **BUSINESS PHONE:** (915) 369-2133

**MAIL ADDRESS:**
- **STREET 1:** 539 EL PASO STREET
- **CITY:** SIERRA BLANCA
- **STATE:** TX
- **ZIP:** 79851

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Texas Rare Earth Resources Corp.
- **DATE OF NAME CHANGE:** 20110128

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Standard Silver Corp.
- **DATE OF NAME CHANGE:** 20080924
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Navajo Transitional Energy Company, LLC
- **CENTRAL INDEX KEY:** 0001785185
- **STANDARD INDUSTRIAL CLASSIFICATION:** BITUMINOUS COAL & LIGNITE SURFACE MINING [1221]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 464009272
- **STATE OF INCORPORATION:** NM
- **FISCAL YEAR END:** 1231

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

**BUSINESS ADDRESS:**
- **STREET 1:** PO BOX 958
- **CITY:** SHIPROCK
- **STATE:** NM
- **ZIP:** 87420
- **BUSINESS PHONE:** 505-278-8625

**MAIL ADDRESS:**
- **STREET 1:** PO BOX 11
- **CITY:** FARMINGTON
- **STATE:** NM
- **ZIP:** 87499

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 4)**

**Texas Mineral Resources Corp.**

*(Name of Issuer)*

**Common Stock**

*(Title of Class of Securities)*

**882672108**

*(CUSIP Number)*

**Bernard Masters**<br>4801 N. Butler Ave.<br>Suite 12000<br>Farmington CO 87401<br>505-787-9299

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

**11/28/2025**

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

| **CUSIP No.** | **882672108** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Navajo Transitional Energy Company, LLC** | Name of reporting person<br>**Navajo Transitional Energy Company, LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 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>**NEW MEXICO** | Citizenship or place of organization<br>**NEW MEXICO** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**9361883.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**9361883.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**9361883.00** | Aggregate amount beneficially owned by each reporting person<br>**9361883.00** | |
| 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>**11.5%** | Percent of class represented by amount in Row (11)<br>**11.5%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**OO** | Type of Reporting Person (See Instructions)<br>**OO** | |

---

**Comment for Reporting Person:** Navajo Transitional Energy Company, LLC is a limited liability company formed under the laws of the Navajo Nation.

| **CUSIP No.** | **882672108** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Lund LaVern K** | Name of reporting person<br>**Lund LaVern K** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (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>**176085.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**9361883.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**176085.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**9361883.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**9537968.00** | Aggregate amount beneficially owned by each reporting person<br>**9537968.00** | |
| 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>**11.7%** | Percent of class represented by amount in Row (11)<br>**11.7%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

| **CUSIP No.** | **882672108** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Denetclaw Peter Jr.** | Name of reporting person<br>**Denetclaw Peter Jr.** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (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>**163289.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**9361883.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**163289.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**9361883.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**9525172.00** | Aggregate amount beneficially owned by each reporting person<br>**9525172.00** | |
| 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>**11.7%** | Percent of class represented by amount in Row (11)<br>**11.7%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock

**(b) Name of Issuer:**
Texas Mineral Resources Corp.

**(c) Address of Issuer's Principal Executive Offices:**
527 21st Street, #44, Galveston, TX, 77550

This Amendment No. 4 (Amendment No. 4") amends and supplements the statements on Schedule 13D filed with the Securities and Exchange Commission ("SEC") on August 13, 2019 (the "Original Schedule 13D") as amended by Amendment No. 1 filed on filed on January 30, 2025, by Amendment No. 2 filed on February 3, 2025, and by Amendment No.3 filed on October 22, 2025, with respect to the Common Stock, par value $0.01 (the "Common Stock") of Texas Mineral Resources Corp., a Delaware corporation (the "Issuer"). The Original Schedule 13D, as amended by Amendment No. 1, Amendment No. 2, and Amendment No. 3 is referred to herein as the "Amended Schedule 13D", and the Amended Schedule 13D, as amended by this Amendment No. 4, is referred to herein as the "Schedule 13D/A. Capitalized terms used herein and not otherwise defined in this Amendment No. 4 have the meanings set forth in the Amended Schedule 13D. This Amendment No. 4 amends Item 5 as set forth below.

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

**(a)**
The first two sentences of Item 5(a) are hereby amended and restated to read as follows:(a) The aggregate number and percentage of shares of Common Stock to which this Schedule 13D/A relates to is 9,701,257 shares of Common Stock, constituting approximately 12% of the currently outstanding Common Stock of the Issuer. The aggregate number of and percentage of shares of Common Stock reported herein are based upon the 81,335,813 shares of Common Stock outstanding as of November 25, 2025, as reported in the Annual Report of the Issuer on Form 10-K for the fiscal year ended August 31, 2025.

**(b)**
Item 5(b) is amended and restated in its entirety to read as follows:

NTEC:
As of the date hereof, NTEC may be deemed to be the beneficial owner of 9,361,883 shares of Common Stock, equal to 11.5% of the outstanding Common Stock, as follows:i) Sole power to vote or direct the vote: 0ii) Shared power to vote or direct the vote:  9,361,883 sharesiii) Sole power to dispose or direct the disposition: 0iv) Shared power to dispose or direct the disposition:  9,361,883 shares

LaVern K. Lund:
As of the date hereof, Mr. Lund may be deemed to be the beneficial owner of 9,537,968 shares of Common Stock, equal to 11.7% of the outstanding Common Stock, as follows:i) Sole power to vote or direct the vote: 176,085 sharesii) Shared power to vote or direct the vote: 9,361,883 sharesiii) Sole power to dispose or direct the disposition: 176,085 sharesiv) Shared power to dispose or direct the disposition: 9,361,883 shares

Peter Denetclaw, Jr.:
As of the date hereof, Mr. Denetclaw may be deemed to be the beneficial owner of 9,525,172 shares of Common Stock, equal to 11.7% of the outstanding Common Stock, as follows:i) Sole power to vote or direct the vote: 163,289 sharesii) Shared power to vote or direct the vote: 9,361,883 sharesiii) Sole power to dispose or direct the disposition: 163,289 sharesiv) Shared power to dispose or direct the disposition: 9,361,883 shares

**(c)**
Item 5(c) is amended and restated in its entirety to read as follows:

Navajo Transitional Energy Company, LLC sold 750,000 shares of Common Stock in open market brokerage transactions in three transactions as follows:i. On October 28, 2025,  69,631 shares of Common Stock at a selling price of $1.3080 per share;ii. On October 29, 2025, 315,369 shares of Common Stock at a selling price of $1.1310 per share;iii. On October 30, 2025 365,000 shares of Common Stock at a selling price of $1.0385 per share;
No other transactions in shares of Common Stock were purchased or sold by NTEC, Mr. Lund, or Mr. Denetclaw during the past 60 days.

### 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:** Navajo Transitional Energy Company, LLC

**Signature:** LaVern K Lund

**Name/Title:** Chief Executive Officer

**Date:** 12/02/2025

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:** Lund LaVern K

**Signature:** LaVern K Lund

**Name/Title:** LaVern K Lund

**Date:** 12/02/2025

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:** Denetclaw Peter Jr.

**Signature:** Peter Denetclaw Jr.

**Name/Title:** Peter Denetclaw Jr.

**Date:** 12/02/2025