0001810182 2022-05-09 2022-05-09 false 0001810182 8-K 2022-05-09 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, $0.001 par value per share ALXO NASDAQ false