Alligator Bioscience AB (publ), a research-based biotechnology company, develops antibody-based pharmaceuticals for cancer treatment in Belgium. The company develops Mitazalimab, a stimulatory antibody that targets CD40, which is in phase 3 clinical trial for the treatment of solid metastatic tumors, including pancreatic cancer; and ATOR-4066, tumor-directed bispecific antibody, developed using Neo-X-Prime technology platform for immunotherapy, which is in preclinical stage for the treatment of solid metastatic tumors. It also offers ALG.APV-527, a bispecific antibody that targets the 4-1BB and 5T4 molecules, which is in phase 2 clinical trial for the treatment of solid metastatic tumors; and ATOR-1017, a monoclonal antibody that stimulates the 4-1BB receptor on T cells and NK cells in the tumor, which is in phase 1 for the treatment of solid metastatic cancers; and HLX22, an antibody that treats metastatic, gastric, and breast cancers, which is in phase 3 clinical trial. In addition, the company develops products using its technology platforms, including ALLIGATOR-GOLD, a proprietary human antibody library; ALLIGATOR-FAB, which is built on multiple scaffolds with optimal drug development properties to further increase the structural diversity of generated antibodies; FIND, a molecular evolution technology for optimization of antibodies and other proteins; and RUBY, a bispecific antibody format. Further, it has collaboration and out-licensing agreements with Aptevo Therapeutics, Inc.; Orion Corporation.; BioArctic AB; Henlius Biotech, Inc.; and Abclon Inc. The company was incorporated in 2000 and is headquartered in Lund, Sweden.