Marek Szewczyk acquired an additional 3.01% stake in Betacom S.A. (WSE:BCM) on July 17, 2017. Post-completion, Marek Szewczyk will own 25.37% stake in Betacom S.A. Marek Szewczyk completed the acquisition of an additional 3.01% stake in Betacom S.A. (WSE:BCM) on July 17, 2017.