Bitfury Top HoldCo B.V. - Sep 24, 2025 SCHEDULE 13D/A Report for Cipher Mining Inc. Common Stock (CIFR)

Filing Manager
Bitfury Top HoldCo B.V.
Reporting Manager
V3 Holding Ltd
Security
Cipher Mining Inc. Common Stock
Symbol
CIFR
Shares outstanding
393M shares
Disclosed Ownership
71.4M shares
Ownership
18.2%
Form type
SCHEDULE 13D/A
Date filed
9/25/2025, 06:09 PM
Date of event
Sep 24, 2025
Previous filing
Sep 17, 2025
Next filing
Oct 2, 2025
SEC
View on sec.gov

Reporting Managers (5)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Bitfury Top HoldCo B.V. 9.2% 36M 0 36M /s/ Stijn Ehren Stijn Ehren, Managing Director 0001884407
Bitfury Holding B.V. 1.2% 4.82M 0 4.82M /s/ Stijn Ehren Stijn Ehren, Managing Director 0001887853
Bitfury Group Ltd 9.2% 36M 0 36M /s/ Valerijs Vavilovs Valerijs Vavilovs, Director 0001887872
V3 Holding Ltd 18.2% 71.4M 0 71.4M /s/ Valerijs Vavilovs Valerijs Vavilovs, Director 0001887845
Vavilovs Valerijs 18.2% 71.4M 0 71.4M /s/ Valerijs Vavilovs Vavilovs Valerijs 0001887811