KW Sp. z o.o. Promack Spolka Komandytowo Akcyjna sold 11.13% stake in Hydrapres S.A. (WSE:HPS) on November 25, 2016. As a result of the transaction, KW Sp. z o.o. Promack Spolka Komandytowo Akcyjna holds 21.1% stake in Hydrapres S.A. KW Sp. z o.o. Promack Spolka Komandytowo Akcyjna completed the sale of 11.13% stake in Hydrapres S.A. (WSE:HPS) on November 25, 2016.