SCHEDULE 13G

ALT5 Sigma Corp

Common Stock, $0.001 par value per share · CUSIP: 47089W104

Event date: 2025-08-11

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

• ExodusPoint Capital Management, LP

  Shares: 5,856,700 · Class: 4.75%

• ExodusPoint Capital Partners GP, LLC

  Shares: 5,856,700 · Class: 4.75%

• Michael Gelband

  Shares: 5,856,700 · Class: 4.75%

• Hyung Lee

  Shares: 5,856,700 · Class: 4.75%

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