0001810182 2023-05-11 2023-05-11 false 0001810182 8-K 2023-05-11 ALX ONCOLOGY HOLDINGS INC. DE 001-39386 85-0642577 323 Allerton Avenue South San Francisco CA 94080 (650) 466-7125 false false false false Common Stock, par value $0.001 per share ALXO NASDAQ false