0001810182 2023-12-22 2023-12-22 0001810182 false 8-K 2023-12-22 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