CRH finance director, Mr Harry Sheridan, and his wife, Mary, have increased their shareholding in the group by almost 120,000 shares and now hold more than 428,000 shares. To fund the increased stake, Mrs Sheridan sold 65,000 existing shares at the market price of 532p to raise £345,800, while Mr Sheridan exercised more than 184,000 options at 124.05p, 179.3p and 230.66p, at a combined cost of £359,000.