Two member of IG Group's executive board exercised options to purchase shares in the company this week, as part of the firm's long-term incentive plan (LTIP) award employee share scheme.IG, which is a provider of financial spread-betting and CFDs, said that Chief Executive Officer Tim Howkins and Chief Operating Officer Peter Hetherington purchased shares on Monday.Howkins exercised an option to buy 10,303 shares, bringing his stake to 3,901,692 shares, equal to 1.07% of the company.Meanwhile, Hetherington exercised an option to buy 13,693 shares, bringing his stake to 113,693 shares, equal to 0.03% of the company.BC