VST Technologies GmbH and Siegfried Gassner acquired 95% stake in VST Engineering GmbH from VST Building Technologies AG (WBAG:VST) for €0.8 million on February 21, 2020. Upon completion of the transaction, VST Building Technologies will not have any stake in VST Engineering. VST Technologies GmbH and Siegfried Gassner completed the acquisition of 95% stake in VST Engineering GmbH from VST Building Technologies AG (WBAG:VST) on February 21, 2020.