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

Role
Chief Executive Officer, Director
Signature
/s/ William Iwaschuk, Attorney-in-Fact for Tyler Page
Issuer symbol
CIFR
Transactions as of
10 Oct 2025
Transactions value $
-$12,295,121
Form type
4
Filing time
15 Oct 2025, 19:45:21 UTC
Previous filing
02 Oct 2025
Next filing
12 Nov 2025
SEC
View on sec.gov

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 15 Oct 2025 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 10 Oct 2025 Direct F1
transaction CIFR Common Stock Tax liability -$12.3M -725K -10% $16.97 6.52M 10 Oct 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 10 Oct 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.