Kabelconcept Hornig GmbH sold 6.91% stake in Groclin S.A. (WSE:GCN) on December 2, 2016. As reported, Kabelconcept Hornig sold 0.8 million shares and will reduce its stake in Groclin from 17.58% to 10.67% post transaction. Kabelconcept Hornig GmbH completed the sale of 6.91% stake in Groclin S.A. (WSE:GCN) on December 2, 2016.