Alx Oncology Holdings INC (ALXO) SEC Filings — 2020 0 SEC filings for Alx Oncology Holdings INC (ALXO) in 2020. FilingsNo filings found for ALXO in 2020. ExploreAll ALXO Filings · ALXO 2019 · ALXO 2021 · All 2020 Filings