What is Agenus (AGEN) ESG impact?

Is Agenus Stock Halal?

Is Agenus (AGEN) Halal to invest in?
To answer this question, we consider:
1. How much of Agenus (AGEN) revenue comes from haram?
2. Does Agenus (AGEN) rely on riba to operate?
3. What is Agenus (AGEN) ESG impact?