Gregory Mumford - Oct 14, 2025 Form 3 Insider Report for Cipher Mining Inc. (CIFR)

Role
Chief Financial Officer
Signature
/s/ William Iwaschuk, Attorney-in-Fact for Gregory Mumford
Stock symbol
CIFR
Transactions as of
Oct 14, 2025
Transactions value $
$0
Form type
3
Date filed
10/16/2025, 06:52 PM
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mumford Gregory J.D. Chief Financial Officer C/O CIPHER MINING INC., 1 VANDERBILT AVENUE, FLOOR 54, NEW YORK /s/ William Iwaschuk, Attorney-in-Fact for Gregory Mumford 2025-10-16 0002090886

No securities are beneficially owned.

Remarks:

Exhibit 24 - Power of Attorney