An unknown buyer acquired 50.5% stake in Inypsa Urban Development SL from Airtificial Intelligence Structures, S.A. (BME:AI) for €3.3 million on April 17, 2019. An unknown buyer completed the acquisition of 50.5% stake in Inypsa Urban Development SL from Airtificial Intelligence Structures, S.A. (BME:AI) on April 17, 2019.