Tyler Page - Oct 10, 2025 Form 4 Insider Report for Cipher Mining Inc. (CIFR)

Signature
/s/ William Iwaschuk, Attorney-in-Fact for Tyler Page
Stock symbol
CIFR
Transactions as of
Oct 10, 2025
Transactions value $
-$12,295,121
Form type
4
Date filed
10/15/2025, 07:45 PM
Previous filing
Oct 2, 2025
Next filing
Nov 12, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Page Tyler Chief Executive Officer, Director C/O CIPHER MINING INC., 1 VANDERBILT AVENUE, FLOOR 54, NEW YORK /s/ William Iwaschuk, Attorney-in-Fact for Tyler Page 2025-10-15 0001887623

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CIFR Common Stock Options Exercise +1.42M +24.35% 7.25M Oct 10, 2025 Direct F1
transaction CIFR Common Stock Tax liability -$12.3M -725K -10% $16.97 6.52M Oct 10, 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 Performance Stock Units Options Exercise $0 -1.42M -33.33% $0.00 2.84M Oct 10, 2025 Common Stock 1.42M Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each performance stock unit ("PSU") represents a contingent right to receive one share of Issuer's Common Stock.
F2 The PSUs vest, if at all, in three tranches based on the Issuer's achievement of certain market capitalization thresholds. The first tranche of the PSUs vested on October 10, 2025. The PSUs have no expiration date.