The company said chief executive Javier del Ser Perez has cut his stake to 6.2 per cen, after selling 3.9m shares at UK£3.35 each and now holds 7.11m shares in the company.
It said former chairman Azmi Wan Hamzah and shareholder David Crichton-Watt also reduced their stakes to 13.4 per cent and 13.3 per cent respectively by selling their shares at various prices.
Following the sale, Crichton-Watt holds 15.2m shares and entities controlled by Hamzah hold 15.3m shares in the company.