X0508 4 2026-01-09 0 0001083301 TERAWULF INC. WULF 0002074786 Tanimoto William Joseph C/O TERAWULF INC. 9 FEDERAL STREET EASTON MD 21601 0 1 0 0 Chief Accounting Officer 0 Common stock, $0.001 par value per share 2026-01-09 4 M 0 16667 A 44194 D Common stock, $0.001 par value per share 2026-01-09 4 D 0 5296 D 38898 D Restricted Stock Units 2026-01-09 4 M 0 16667 D Common stock, $0.001 par value per share 16667 16666 D The Reporting Person received restricted stock units which vested in accordance with their terms upon the second anniversary of January 9, 2024, as reflected in this Form 4, subject to the Reporting Person's continued employment or service with the Issuer through such date. The disposition is due to withholding to cover taxes, as a result of the Reporting Person's election of net settlement with regard to the vesting of restricted stock units, which vested on January 9, 2026, as reflected in this Form 4. Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock, $0.001 par value per share. The restricted stock units vested upon the second anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through each such date. The remaining restricted stock units will vest upon the third anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through each such date. /s/ Stefanie C. Fleischmann, as attorney-in-fact for William J. Tanimoto 2026-01-09