# EDGAR Filing Document

**Accession Number:** 0001861675
**File Stem:** 0001104659-26-005182
**Filing Date:** 2026-1
**Character Count:** 9801
**Document Hash:** d79c6a3ff54bf797774ca11b8afc0c1e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-005182.hdr.sgml**: 20260120

**ACCESSION NUMBER**: 0001104659-26-005182

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260115

**FILED AS OF DATE**: 20260120

**DATE AS OF CHANGE**: 20260120

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Cates Steven M.
- **CENTRAL INDEX KEY:** 0001861675

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-33404
- **FILM NUMBER:** 26544438

**MAIL ADDRESS:**
- **STREET 1:** C/O WESTWATER RESOURCES, INC.
- **STREET 2:** 6950 S. POTOMAC STREET, SUITE 300
- **CITY:** CENTENNIAL
- **STATE:** CO
- **ZIP:** 80112
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** WESTWATER RESOURCES, INC.
- **CENTRAL INDEX KEY:** 0000839470
- **STANDARD INDUSTRIAL CLASSIFICATION:** METAL MINING [1000]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 752212772
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 6950 S. POTOMAC STREET
- **STREET 2:** SUITE 300
- **CITY:** CENTENNIAL
- **STATE:** CO
- **ZIP:** 80112
- **BUSINESS PHONE:** (303) 531-0470

**MAIL ADDRESS:**
- **STREET 1:** 6950 S. POTOMAC STREET
- **STREET 2:** SUITE 300
- **CITY:** CENTENNIAL
- **STATE:** CO
- **ZIP:** 80112

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** URANIUM RESOURCES INC /DE/
- **DATE OF NAME CHANGE:** 19920703

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Cates Steven M.<br><sub>(Last) (First) (Middle)</sub><br>C/O WESTWATER RESOURCES, INC.<br>6950 S. POTOMAC STREET, SUITE 300<br><sub>(Street)</sub><br>CENTENNIAL, CO 80112<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-01-15 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_CFO and SVP-Finance_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>WESTWATER RESOURCES, INC. [ WWR ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock<sup>(1)</sup> | 2026-01-15 |  | F |  | 8429 | D | $1.24 | 1219135 | D |  |
| Common Stock<sup>(2)</sup> | 2026-01-15 |  | A |  | 10099 | A | $0 | 1229234 | D |  |
| Common Stock<sup>(1)</sup> | 2026-01-15 |  | F |  | 4215 | D | $1.24 | 1225019 | D |  |
| Common Stock<sup>(3)</sup> | 2026-01-15 |  | F |  | 17940 | D | $1.24 | 1207079 | D |  |
| Common Stock<sup>(4)</sup> | 2026-01-15 |  | A |  | 21493 | A | $0 | 1228572 | D |  |
| Common Stock<sup>(3)</sup> | 2026-01-15 |  | F |  | 8970 | D | $1.24 | 1219602 | D |  |
| Common Stock<sup>(4)</sup> | 2026-01-15 |  | A |  | 21493 | A | $0 | 1241095 | D |  |
| Common Stock<sup>(3)</sup> | 2026-01-15 |  | F |  | 8970 | D | $1.24 | 1232125 | D |  |
| Common Stock<sup>(5)</sup> | 2026-01-15 |  | M |  | 12897 | A | $0 | 1245022 | D |  |
| Common Stock<sup>(3)</sup> | 2026-01-15 |  | F |  | 5383 | D | $1.24 | 1239639 | D |  |
| Common Stock<sup>(6)</sup> | 2026-01-15 |  | F |  | 124231 | D | $1.24 | 1115408 | D |  |
| Common Stock<sup>(7)</sup> | 2026-01-15 |  | A |  | 148835 | A | $0 | 1264243 | D |  |
| Common Stock<sup>(6)</sup> | 2026-01-15 |  | F |  | 62116 | D | $1.24 | 1202127 | D |  |
| Common Stock<sup>(7)</sup> | 2026-01-15 |  | A |  | 148835 | A | $0 | 1350962 | D |  |
| Common Stock<sup>(6)</sup> | 2026-01-15 |  | F |  | 62116 | D | $1.24 | 1288846 | D |  |
| Common Stock<sup>(8)</sup> | 2026-01-15 |  | M |  | 89301 | A | $0 | 1378147 | D |  |
| Common Stock<sup>(6)</sup> | 2026-01-15 |  | F |  | 37269 | D | $1.24 | 1340878 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Restricted Stock Units | <sup>(9)</sup> | 2026-01-15 |  | M |  |  | 12897 | <sup>(9)</sup> | <sup>(9)</sup> | Common Stock | 12897 | <sup>(9)</sup> | 280974 | D |  |
| Restricted Stock Units | <sup>(10)</sup> | 2026-01-15 |  | M |  |  | 89301 | <sup>(10)</sup> | <sup>(10)</sup> | Common Stock | 89301 | <sup>(10)</sup> | 191673 | D |  |

---

### Footnotes:

(1) Represents the shares of common stock withheld by the Company in satisfaction of the reporting person's tax withholding obligation arising as a result of the partial vesting of the restricted stock unit award granted on May 10, 2023.

(2) Represents shares of common stock issued upon the partial vesting of restricted stock units subject to performance based-vesting criteria under the Company's May 10, 2023 grant.

(3) Represents the shares of common stock withheld by the Company in satisfaction of the reporting person's tax withholding obligation arising as a result of the partial vesting of the restricted stock unit award granted on May 30, 2024.

(4) Represents shares of common stock issued upon the partial vesting of restricted stock units subject to performance based-vesting criteria under the Company's May 30, 2024 grant.

(5) Represents shares of common stock issued upon the partial vesting of restricted stock units subject to total stockholder return ("TSR") criteria under the Company's May 30, 2024 grant.

(6) Represents the shares of common stock withheld by the Company in satisfaction of the reporting person's tax withholding obligation arising as a result of the partial vesting of the restricted stock unit award granted on May 27, 2025.

(7) Represents shares of common stock issued upon the partial vesting of restricted stock units subject to performance based-vesting criteria under the Company's May 27, 2025 grant.

(8) Represents shares of common stock issued upon the partial vesting of restricted stock units subject to total stockholder return ("TSR") criteria under the Company's May 27, 2025 grant.

(9) Represents restricted stock units that vest one-third based on TSR for the year ended December 31, 2024, one-third based on TSR for the year ended December 31, 2025, and one-third based on TSR for the year ended December 31, 2026, with the number of restricted stock units potentially vesting divided equally among the annual periods.

(10) Represents restricted stock units that vest one-third based on TSR for the year ended December 31, 2025, one-third based on TSR for the year ended December 31, 2026, and one-third based on TSR for the year ended December 31, 2027, with the number of restricted stock units potentially vesting divided equally among the annual periods.

**Signature:** /s/ Steven M. Cates  
**Date:** 2026-01-20

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**