Argenx Unnatural Products acquisition pays 550 million dollars upfront for macrocyclic peptides
Argenx will pay $550 million upfront and up to $595 million in milestones for Santa Cruz peptide developer Unnatural Products. No programs, targets or clinical candidates were disclosed, and closing is expected by the end of 2026.
SANTA CRUZ, CA · argenx and Unnatural Products announcement, 9 Nov 2026, as reported by BioPharm International and BioPharma Dive