Cognor Holding S.A. (WSE:COG) acquired remaining 22.56% stake in Cognor Blachy Dachowe S.A. for PLN 0.29 million on December 22, 2016. Cognor Holding S.A. (WSE:COG) completed the acquisition of remaining 22.56% stake in Cognor Blachy Dachowe S.A. on December 22, 2016.