Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. sold 9.85% stake in Vantage Development S.A. (WSE:VTG) on April 4, 2017. Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. completed the sale of 9.85% stake in Vantage Development S.A. (WSE:VTG) on April 4, 2017.