SCHEDULE 13G/A

Riot Platforms Inc

Common Stock, no par value per share · CUSIP: 767292105

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

• JANE STREET GROUP, LLC

  Shares: 11,871,284.00 · Class: 3.2%

• Jane Street Capital, LLC

  Shares: 53,531.00 · Class: 0.0%

• Jane Street Options, LLC

  Shares: 7,050,563.00 · Class: 1.9%

• Jane Street Global Trading, LLC

  Shares: 4,767,018.00 · Class: 1.3%

• Jane Street Singapore Pte. Ltd

  Shares: 172.00 · Class: 0.0%

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