SCHEDULE 13D/A

ALX Oncology Holdings, Inc.

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

Event date: 2026-02-02

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

• venBio Global Strategic Fund, L.P.Reported CIK 0001504130

  Shares: 4,431,600 · Class: 3.4%

• venBio Global Strategic Fund II L.P.Reported CIK 0001634632

  Shares: 8,453,038 · Class: 6.4%

• venBio Global Strategic GP, L.P.Reported CIK 0001770834

  Shares: 4,431,600 · Class: 3.4%

• venBio Global Strategic GP II, L.P.Reported CIK 0001729409

  Shares: 8,453,038 · Class: 6.4%

• venBio Global Strategic GP, Ltd.Reported CIK 0001770835

  Shares: 4,431,600 · Class: 3.4%

• venBio Global Strategic GP II, Ltd.Reported CIK 0001729408

  Shares: 8,453,038 · Class: 6.4%

• Adelman Robert JReported CIK 0001329161

  Shares: 12,984,044 · Class: 9.9%

• GOODMAN COREY SReported CIK 0001278411

  Shares: 13,163,549 · Class: 10%

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