SCHEDULE 13G/A

ALX Oncology Holdings, Inc.

Common Stock, par value $0.001 per share · CUSIP: 00166B105

Event date: 2025-06-30

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

• Redmile Group, LLC

  Shares: 4,641,455.00 · Class: 8.5%

• Jeremy C. Green

  Shares: 4,641,455.00 · Class: 8.5%

• Redmile Biopharma Investments III, L.P.

  Shares: 3,675,481.00 · Class: 6.7%

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