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Form 8-K · Current Report · Filed 2025-10-06

Cipher Mining Announces CFO Transition with Retirement of Edward Farrell and Appointment of Gregory Mumford

Cipher Mining Inc. announced the retirement of its Chief Financial Officer (CFO), Edward Farrell, effective October 14, 2025, and the appointment of Gregory Mumford as his successor, also effective October 14, 2025. Mr. Farrell will transition to a Senior Advisor role until April 17, 2026, to ensure a smooth handover. Mr. Mumford, who brings over a decade of experience in financial services, credit, and capital markets, will take over as CFO and receive a base salary of $500,000 per year, discretionary cash bonuses, equity awards, and other benefits as outlined in his employment agreement.

Filer
Cipher Mining Inc. CIFR · NASDAQ
Filed
Accession
0001819989-25-000095
CIK
0001819989
Signal
High impactFinancial Services

Items reported

Item 5.02

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers

CFO Resignation New CFO Appointed
Item 7.01

Regulation FD Disclosure

Regulation FD Disclosure

Market reaction

Close before filing

$14.70

Next session

+7.1%

Since filing

+51.8%

Latest close

$22.32

What happened, not what will happen — closing prices around the filing date.

Precedent

Previous filings from CIFR reporting the same item, with the next session's move:

About Cipher Mining Inc.

Cipher Mining Inc. operates as a cryptocurrency mining company with a focus on sustainable bitcoin mining operations. Its primary function lies in the efficient and large-scale mining of bitcoin, offering infrastructure and expertise to maximize the value and support transaction processing within the Bitcoin network. Cipher Mining uniquely positions itself in the fast-evolving digital currency landscape by emphasizing sustainability, utilizing renewable energy sources to power its operations, which addresses the growing concerns around the environmental impact of cryptocurrency mining. This approach not only helps in reducing carbon footprints but also sets a scalable model as the demand for cryptocurrencies evolves. The company's mining facilities are strategically located to optimize energy consumption and cost efficiencies, aligning with its commitment to environmentally responsible practices. As part of the larger cryptocurrency and blockchain sectors, Cipher Mining plays a crucial role in facilitating transactions and securing the blockchain, thereby integral to the infrastructure that supports digital currency ecosystems globally. Founded with a vision to merge traditional energy expertise with cutting-edge digital finance solutions, Cipher Mining accentuates the intersection of innovation and sustainability in the financial markets.

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