Tyler Page - 15 Dec 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
15 Dec 2025
Net transactions value
-$12,646,316
Form type
4
Filing time
17 Dec 2025, 20:21:47 UTC
Previous filing
12 Nov 2025
Next filing
23 Dec 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 17 Dec 2025 0001887623

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CIFR Common Stock Options Exercise +1,567,398 +22% 8,547,285 15 Dec 2025 Direct F1
transaction CIFR Common Stock Tax liability $11,794,314 -800,157 -9.4% $14.74 7,747,128 15 Dec 2025 Direct
transaction CIFR Common Stock Options Exercise +113,225 +1.5% 7,860,353 15 Dec 2025 Direct F1
transaction CIFR Common Stock Tax liability $852,001 -57,802 -0.74% $14.74 7,802,551 15 Dec 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 -1,567,398 -35% $0.000000 2,919,753 15 Dec 2025 Common Stock 1,567,398 Direct F1, F2
transaction CIFR Restricted Stock Units Options Exercise $0 -113,225 -3.9% $0.000000 2,806,528 15 Dec 2025 Common Stock 113,225 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 Represents the early vesting and settlement of the second installment of the RSU award granted on March 9, 2024.
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.