Thomas David Duda - 11 Feb 2026 Form 3 Insider Report for Cipher Mining Inc. (CIFR)

Role
Director
Signature
/s/ William Iwaschuk, Attorney-in-Fact for Thomas David Duda
Issuer symbol
CIFR
Transactions as of
11 Feb 2026
Net transactions value
$0
Form type
3
Filing time
23 Feb 2026, 12:26:33 UTC
Next filing
27 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Duda Thomas David Director C/O CIPHER MINING INC., 1 VANDERBILT AVENUE, FLOOR 54, NEW YORK /s/ William Iwaschuk, Attorney-in-Fact for Thomas David Duda 23 Feb 2026 0002111684

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding CIFR Common Stock 13,818 11 Feb 2026 Direct
holding CIFR Common Stock 12,871 11 Feb 2026 By spouse F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares owned directly by the Reporting Person's spouse.

Remarks:

Exhibit 24 - Power of Attorney.