Leadership transition marks next evolution of growth May 6, 2026 Amsterdam, the Netherlands – argenx SE (Euronext & Nasdaq: ARGX), a global immunology innovator committed to improving the lives of people suffering from severe autoimmune diseases, today announced the results of the Annual General Meeting of shareholders and the Board of Directors’ appointment of Karen Massey as Chief Executive Officer and Tim Van Hauwermeiren as Chairperson of the Board of Directors. “Karen has earned the full confidence of ...