iTeos Therapeutics Inc (NASDAQ:ITOS) shares are trading higher by 36.7% at $27.38 Monday afternoon after the company and GlaxoSmithKline announced an agreement to co-develop and co-commercialize EOS-448, an anti-TIGIT monoclonal antibody.

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ITeos Therapeutics Inc is a biopharmaceutical company engaged in the discovery and development of immuno-oncology therapeutics for patients. Its product candidates include EOS-850 which is an Adenosine A2A receptor-specific antagonist and EOS-448 which is an ADCC-enabled, anti-TIGIT immune checkpoint blocking antibody.