What is Apellis Pharmaceuticals Return-on-Tangible-Asset? Return-on-Tangible-Asset is calculated as Net Income divided by its average total tangible assets. Total tangible assets equals to Total Assets minus Intangible Assets. Apellis Pharmaceuticals‘s annualized Net Income for the quarter that ended in Jun. 2024 was €-139.9 Mil. Apellis Pharmaceuticals‘s average total tangible assets for the quarter that ended