An unknown buyer acquired 5.3% stake in Gielda Praw Majatkowych Vindexus Spolka Akcyjna (WSE : VIN) from RDI LLC on May 6, 2016. An unknown buyer completed the acquisition of 5.3% stake in Gielda Praw Majatkowych Vindexus Spolka Akcyjna (WSE : VIN) from RDI LLC on May 6, 2016.