Cipher Mining Inc. — Director's Dealing 2026

Feb 19, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Cipher Mining Inc. (CIFR)
CIK: 0001819989
Period of Report: 2026-02-17

Reporting Person: Kelly Patrick Arthur (Co-President and COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-17	Common Stock	S	35568	$15.52	Disposed	1477076	Direct

Footnotes

F1: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025.

F2: The sales were executed in multiple trades at prices ranging from $15.02 to $16.03. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.