On January 31, 2017, Grammer AG announced that Cascade International Investment GmbH demanded the right to exert influence on the composition of Grammer AG's executive board and supervisory board. The Company stated that Cascade intends to replace all existing shareholder representatives on the supervisory board with the exception of Hans Liebler, with its own nominees, who are nearly all present or former employees of the Prevent Group, which is controlled by the Hastor family. The Company stated that in addition, Cascade intends to dismiss the Chief Executive Officer of the Company.