SCHEDULE 13G

Cipher Mining Inc

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

Event date: 2025-10-16

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

• JANE STREET GROUP, LLC

  Shares: 19,682,871.00 · Class: 5.0%

• Jane Street Capital, LLC

  Shares: 627,048.00 · Class: 0.2%

• Jane Street Options, LLC

  Shares: 8,337,652.00 · Class: 2.1%

• Jane Street Global Trading, LLC

  Shares: 10,718,171.00 · Class: 2.7%

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