News Posted on July 28, 2023 Reata Stock Surges. Biogen Is Buying It for $7.3 Billion in Cash. – Barron's Reata Stock Surges. Biogen Is Buying It for $7.3 Billion in Cash. Barron’s Source: Reata Stock Surges. Biogen Is Buying It for .3 Billion in Cash. – Barron’s By sf-admin