Cipher Mining Inc. — Director's Dealing 2025

Oct 17, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Cipher Mining Inc. (CIFR)
CIK: 0001819989
Period of Report: 2025-10-14

Reporting Person: Mumford Gregory J.D. (Chief Financial Officer)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-10-14	Restricted Stock Units	$	A	375000	Acquired		Common Stock (375000)	Direct

Footnotes

F1: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs have no expiration date.

F2: The RSUs will vest in equal installments on each of October 14, 2026, October 14, 2027 and October 14, 2028, subject to the Reporting Person's continuous service on the applicable vesting date.