X0609 4 2026-06-24 0 0001083301 TERAWULF INC. WULF 0002074786 Tanimoto William Joseph false 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 2026-06-24 4 M 0 10000 A 48898 D Restricted Stock Units 2026-06-24 4 M 0 10000 D Common stock, $0.001 par value per share 10000 20000 D The Reporting Person received Restricted Stock Units which vested in accordance with their terms upon the first anniversary of June 24, 2025, as reported in this Form 4, subject to the Reporting Person's continued employment or service with the Issuer through such date. 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 in accordance with their terms upon the first anniversary of June 24, 2025, subject to the Reporting Person's continued employment or service with the Issuer through such date. The remaining Restricted Stock Units will vest in accordance with their terms on each of the second and third anniversaries of June 24, 2025, 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 2026-06-25