Argenx stock slides 5% on CEO handover plan — what investors watch next
Argenx shares fell 5% to $797.94 after the company said COO Karen Massey will replace co-founder Tim Van Hauwermeiren as CEO, with Van Hauwermeiren set to become board chairman pending a May 6 vote. Investors await a Jan. 12 preliminary Q4 update and full-year results on Feb. 26.