Westwater Resources (WWR) CFO details RSU vesting and tax share withholding

Rhea-AI Filing Summary

Westwater Resources, Inc. CFO and SVP-Finance Steven M. Cates reported multiple equity compensation events dated January 15, 2026. The Form 4 shows partial vesting of several restricted stock unit (RSU) awards granted in 2023, 2024, and 2025, including RSUs tied to performance-based criteria and total stockholder return (TSR). Upon vesting, portions of the resulting common stock were issued at $0 per share, while other portions were withheld at $1.24 per share to satisfy tax withholding obligations.

The filing also reports that RSU awards subject to TSR vest one‑third for each of the years ended December 31, 2024, 2025, and 2026, and another award vests one‑third for each of the years ended December 31, 2025, 2026, and 2027. Following these transactions, Cates directly beneficially owned 1,340,878 shares of Westwater common stock and held 280,974 and 191,673 RSUs in two separate TSR-based grants.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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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^*

Cates Steven M.

(Last) (First) (Middle)

C/O WESTWATER RESOURCES, INC.

6950 S. POTOMAC STREET, SUITE 300

(Street)

CENTENNIAL CO 80112

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
WESTWATER RESOURCES, INC. [ WWR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CFO and SVP-Finance

3. Date of Earliest Transaction (Month/Day/Year)
01/15/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock(1)	01/15/2026		F		8,429	D	$1.24	1,219,135	D
Common Stock(2)	01/15/2026		A		10,099	A	$0	1,229,234	D
Common Stock(1)	01/15/2026		F		4,215	D	$1.24	1,225,019	D
Common Stock(3)	01/15/2026		F		17,940	D	$1.24	1,207,079	D
Common Stock(4)	01/15/2026		A		21,493	A	$0	1,228,572	D
Common Stock(3)	01/15/2026		F		8,970	D	$1.24	1,219,602	D
Common Stock(4)	01/15/2026		A		21,493	A	$0	1,241,095	D
Common Stock(3)	01/15/2026		F		8,970	D	$1.24	1,232,125	D
Common Stock(5)	01/15/2026		M		12,897	A	$0	1,245,022	D
Common Stock(3)	01/15/2026		F		5,383	D	$1.24	1,239,639	D
Common Stock(6)	01/15/2026		F		124,231	D	$1.24	1,115,408	D
Common Stock(7)	01/15/2026		A		148,835	A	$0	1,264,243	D
Common Stock(6)	01/15/2026		F		62,116	D	$1.24	1,202,127	D
Common Stock(7)	01/15/2026		A		148,835	A	$0	1,350,962	D
Common Stock(6)	01/15/2026		F		62,116	D	$1.24	1,288,846	D
Common Stock(8)	01/15/2026		M		89,301	A	$0	1,378,147	D
Common Stock(6)	01/15/2026		F		37,269	D	$1.24	1,340,878	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(9)	01/15/2026		M			12,897	(9)	(9)	Common Stock	12,897	(9)	280,974	D
Restricted Stock Units	(10)	01/15/2026		M			89,301	(10)	(10)	Common Stock	89,301	(10)	191,673	D

Explanation of Responses:

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.

	/s/ Steven M. Cates	01/20/2026
	** Signature of Reporting Person	Date
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FAQ

What does Westwater Resources (WWR) Form 4 report for Steven M. Cates?

The Form 4 reports that CFO and SVP-Finance Steven M. Cates had multiple restricted stock unit (RSU) awards partially vest on January 15, 2026, resulting in common stock being issued at $0 per share and some shares withheld at $1.24 per share to cover tax obligations.

How many Westwater (WWR) common shares does Steven M. Cates own after these transactions?

After the reported transactions on January 15, 2026, Steven M. Cates directly beneficially owned 1,340,878 shares of Westwater Resources common stock.

Were the Westwater (WWR) insider transactions open-market sales or tax withholdings?

The non-derivative transactions reported with code "F" represent shares of common stock withheld by the Company to satisfy Cates’ tax withholding obligations arising from RSU vesting, rather than open-market sales. Shares reported with code "A" reflect stock issued upon RSU vesting.

What RSU grants are involved in the Westwater (WWR) Form 4 for Steven M. Cates?

The filing references RSU awards granted on May 10, 2023, May 30, 2024, and May 27, 2025, including RSUs that vest based on performance criteria and others that vest based on total stockholder return (TSR).

How do the TSR-based RSUs for Westwater (WWR) CFO Cates vest over time?

One TSR-based RSU grant vests one-third based on TSR for the years ended December 31, 2024, 2025, and 2026. Another TSR-based RSU grant vests one-third based on TSR for the years ended December 31, 2025, 2026, and 2027, with the potential vesting amounts divided equally among the annual periods.

What derivative securities does Steven M. Cates still hold in Westwater (WWR) after the Form 4 transactions?

After the January 15, 2026 transactions, Cates directly held 280,974 restricted stock units in one TSR-based grant and 191,673 restricted stock units in another TSR-based grant, as disclosed in the derivative securities table.