Bv Tech Spa acquired 3.9% stake in Defenx Plc (AIM:DFX) from Safe Active Srl on May 3, 2017. Bv Tech Spa acquired total of 0.33 million shares in Defenx Plc. Bv Tech Spa completed the acquisition of 3.9% stake in Defenx Plc (AIM:DFX) from Safe Active Srl on May 3, 2017.