Stockholm, 2013-01-09 15:37 CET (GLOBE NEWSWIRE) -- Staffan Persson, Nortal Investments AB, PledPharma’s largest shareholder, has acquired an additional 100 000 shares in PledPharma. This means that Staffan Persson’s family and company owns a total of 5, 068,052 shares. After the acquisition, Nortal Investments’ stake in PledPharma is estimated to 25% of the votes and capital.