Edward J. Farrell - Sep 30, 2025 Form 4 Insider Report for Cipher Mining Inc. (CIFR)

Signature
/s/ William Iwaschuk, Attorney-in-Fact for Edward J. Farrell
Stock symbol
CIFR
Transactions as of
Sep 30, 2025
Transactions value $
-$2,526,448
Form type
4
Date filed
10/2/2025, 06:55 PM
Previous filing
Jul 2, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
FARRELL EDWARD J Chief Financial Officer C/O CIPHER MINING INC., 1 VANDERBILT AVENUE, FLOOR 54, NEW YORK /s/ William Iwaschuk, Attorney-in-Fact for Edward J. Farrell 2025-10-02 0001270609

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CIFR Common Stock Options Exercise +367K +28.42% 1.66M Sep 30, 2025 Direct F1
transaction CIFR Common Stock Tax liability -$2.36M -187K -11.3% $12.59 1.47M Sep 30, 2025 Direct
transaction CIFR Common Stock Options Exercise +26.4K +1.8% 1.5M Sep 30, 2025 Direct F1
transaction CIFR Common Stock Tax liability -$170K -13.5K -0.9% $12.59 1.48M Sep 30, 2025 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CIFR Restricted Stock Units Options Exercise $0 -367K -23.98% $0.00 1.16M Sep 30, 2025 Common Stock 367K Direct F1, F2
transaction CIFR Restricted Stock Units Options Exercise $0 -26.4K -2.27% $0.00 1.14M Sep 30, 2025 Common Stock 26.4K Direct F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.
F2 The RSUs vest in equal installments on each of September 13, 2023, September 13, 2024 and September 30, 2025, subject to the Reporting Person's continuous service on the applicable vesting date.
F3 The RSUs vest in equal quarterly installments over a three-year period, on March 31, June 30, September 30 and December 15 of each year, subject to the Reporting Person's continuous service on the applicable vesting date. The first vesting date occurred on March 31, 2025.