Grafton Group director Mr Colm O'Nuallain has made a profit of almost €250,000 (£195,000) after exercising share options and then selling some of the shares into the market. Mr O'Nuallain bought 20,000 Grafton shares at an option price of €6.86 for a total of €68,600 and then sold 10,000 shares in the market at €31.50 to realise €315,000.