ING Otwarty Fundusz Emerytalny, fund of Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. sold its 8.14% stake in Impexmetal S.A. (WSE:IPX) on January 4, 2017. ING Otwarty Fundusz Emerytalny, fund of Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. completed the sale of its 8.14% stake in Impexmetal S.A. (WSE:IPX) on January 4, 2017.