Alder Biopharmaceuticals, Inc. is a clinical-stage biopharmaceutical company. The Company discovers, develops and focuses to commercialize therapeutic antibodies with the potential to transform current treatment paradigms. The Company has developed an antibody platform designed to select antibodies that have the potential to maximize efficacy, as well as speed of onset and durability of therapeutic response. The Company's pipeline includes ALD403, Clazakizumab and ALD1613. ALD403 is the Company's monoclonal antibody targeted to calcitonin gene-related peptide (CGRP) for migraine prevention. Clazakizumab is a monoclonal antibody that inhibits the pro-inflammatory cytokine interleukin-6 (IL-6), and is in development for both rheumatoid arthritis (RA) and psoriatic arthritis (PsA). ALD1613 is a monoclonal antibody that inhibits Adrenocorticotropic Hormone (ACTH), and is being developed for the treatment of Cushing's disease. It is also developing ALD403 program for migraine prevention.