X0609 4 2026-09-30 0 0001819989 Cipher Digital Inc. CIFR 0001887627 Iwaschuk William false C/O CIPHER DIGITAL INC. 1 VANDERBILT AVENUE, FLOOR 54 NEW YORK NY 10017 0 1 0 0 Co-President and CLO 0 Common Stock 2026-09-30 4 M 0 33967 A 1635658 D Common Stock 2026-09-30 4 M 0 29611 A 1665269 D Common Stock 2026-09-30 4 M 0 76427 A 1741696 D Restricted Stock Units 2026-09-30 4 M 0 33967 0 D Common Stock 33967 936171 D Restricted Stock Units 2026-09-30 4 M 0 29611 0 D Common Stock 29611 906560 D Performance Stock Units 2026-09-30 4 M 0 76427 0 D Common Stock 76427 382132 D Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock. Each performance stock unit ("PSU") represents a contingent right to receive one share of Issuer's Common Stock. The RSUs vest in equal quarterly installments over a three-year period, on March 31, June 30, September 30 and December 15 of each year, subject to the Reporting Person's continuous service on the applicable vesting date. The first vesting date occurred on March 31, 2025. The RSUs vest in equal quarterly installments over a three-year period, on March 31, June 30, September 30 and December 15 of each year, subject to the Reporting Person's continuous service on the applicable vesting date. The first vesting date occurred on March 31, 2026. 305,707 earned PSUs vested on December 19, 2025, and the remaining earned PSUs vest in substantially equal quarterly installments, subject to the Reporting Person's continuous service on each vesting date. The first such vesting date occurred on March 31, 2026. These earned PSUs have no expiration date. /s/ William Iwaschuk 2026-10-02