Sec Form 4 Filing - Cryan Terence James @ WESTWATER RESOURCES, INC. - 2025-02-28

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

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Cryan Terence James 2. Issuer Name and Ticker or Trading Symbol WESTWATER RESOURCES, INC. [ WWR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O WESTWATER RESOURCES, INC., 6950 S. POTOMAC STREET, SUITE 300 3. Date of Earliest Transaction (MM/DD/YY) 02/28/2025 (Street) CENTENNIAL, CO80112 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 ) 02/28/2025 F 29,549 D $ 0.75 416,894 D Common Stock ( 2 ) 02/28/2025 A 70,916 A $ 0 487,810 D Common Stock ( 1 ) 02/28/2025 F 29,549 D $ 0.75 458,261 D Common Stock ( 2 ) 02/28/2025 A 35,458 A $ 0 493,719 D Common Stock ( 1 ) 02/28/2025 F 14,775 D $ 0.75 478,944 D Common Stock ( 2 ) 02/28/2025 A 35,458 A $ 0 514,402 D Common Stock ( 1 ) 02/28/2025 F 14,775 D $ 0.75 499,627 D Common Stock ( 3 ) 02/28/2025 M 21,275 A $ 0 520,902 D Common Stock ( 1 ) 02/28/2025 F 8,865 D $ 0.75 512,037 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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 ( 4 ) 02/28/2025 M 21,275 ( 4 ) ( 4 ) Common Stock 21,275 ( 4 ) 42,550 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Cryan Terence James C/O WESTWATER RESOURCES, INC. 6950 S. POTOMAC STREET, SUITE 300 CENTENNIAL, CO80112 X Signatures /s/ Terence J. Cryan 03/04/2025 Signature of Reporting Person Date

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 30, 2024. ( 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 30, 2024 grant. ( 3 )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. ( 4 )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.

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).

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