PineTree Therapeutics is a pre-clinical stage Biotech company headquartered in Cambridge, MA and was founded in 2019. It has developed the TAER-TAB™ and ViTRAP™ technologies and is building a broad pipeline for hard-to-treat cancers and viral diseases, with an initial focus on oncology. TAER-TAB™, Tumor Associated Essential Receptor Targeting AntiBody, is a transformative antibody based receptor degradation platform that targets and potentially degrades drug-resistant or difficult-to-treat receptors present on many types of tumors and on different types of immune and disease cells. It has potential to generate many multivalent antibodies to degrade extracellular oncogenic receptors of interest as well as immuno-oncology antibodies to enhance adoptive anti-tumor immunity and prevent tumor recurrence.