RAPT Therapeutics stock jumps 64% as GSK agrees $2.2 billion takeover at $58 a share
Rapt Therapeutics shares surged 64% to $57.57 in after-hours trading after GSK agreed to acquire the company for $58 a share in cash, valuing Rapt at about $2.2 billion. The deal centers on ozureprubart, a long-acting anti-IgE antibody. GSK plans to launch a tender offer within 10 business days. Closing depends on a majority of Rapt shares being tendered and U.S. antitrust clearance.