Developments Pyxis Oncology to acquire Apexigen Pyxis Oncology (NASDAQ:PYXS) agreed to acquire Apexigen (NASDAQ:APGN) in an all-stock transaction for an implied value of 64 cents per Apexigen share. For each share of Apexigen, Pyxis Oncology will issue 0.1725 shares... May 24, 2023