SCHEDULE 13G/A

Terawulf Inc

Common Stock, $0.001 par value per share · CUSIP: 88080T104

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: 17,677,746.00 · Class: 4.2%

• Jane Street Capital, LLC

  Shares: 37,336.00 · Class: 0.0%

• Jane Street Options, LLC

  Shares: 9,611,838.00 · Class: 2.3%

• Jane Street Global Trading, LLC

  Shares: 8,028,352.00 · Class: 1.9%

• Jane Street Singapore Pte. Ltd

  Shares: 220.00 · Class: 0.0%

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