Also known as VYVGART.
Adds FB102, a first‑in‑class anti‑CD122 with clinical proof‑of‑concept in vitiligo and celiac disease; $77 per‑share tender offer completed and merger closed.
Primary endpoint met in Phase 3 ALKIVIA: efgartigimod improved mean Total Improvement Score at Week 52 versus placebo; benefit emerged by Week 4 and was sustained across IMNM and DM.
FB102 shows Phase 1b proof in vitiligo and celiac; Phase 2 in celiac expected H2 2026. Acquisition executed as $77/share cash tender offer; close targeted Q3 2026.