TORONTO , June 29, 2012 / PRNewswire / – Gran Colombia Gold Corp. (TSX: GCM) announced today that its co-CEO, Serafino Iacono , has purchased a total of 1,036,500 common shares of the Company, June 28, 2012, at a price of $ 0.29 per share on the open market. To date, Mr. Iacono has 10,977,916 [...]