Cipher Mining CFO Ed Farrell to retire Oct 14; Gregory Mumford named successor

Cipher Digital Inc.

Ed Farrell retires as CFO effective Oct 14, 2025; will serve as Senior Advisor through Apr 17, 2026.
Gregory Mumford appointed CFO effective Oct 14; previously senior banker at KBW's Digital Assets & Infrastructure group.
Mumford receives $500k base salary, sign-on equity of 375,000 RSUs vesting over 3 years, discretionary bonus.
Farrell's advisory agreement includes continued base salary, health coverage, and acceleration of earned unvested equity.
CEO Tyler Page thanked Farrell and highlighted Mumford's transformative deal experience.

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