SCHEDULE 13G/A

Cipher Mining Inc

Common Stock, $0.001 par value per share · CUSIP: 17253J106

Event date: 2025-12-31

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• G1 Execution Services, LLC

  Shares: 14,674,736 · Class: 3.7%

• SIG Brokerage, LP

  Shares: 14,674,736 · Class: 3.7%

• Susquehanna Securities, LLC

  Shares: 14,674,736 · Class: 3.7%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.