(ShareCast News) - Greene King's chief financial officer Kirk Davis has bought 4,000 shares in the pub operator at 821p per share.Davis, previously finance director at JD Wetherspoon, became CFO of the company in October 2014.Shares were down 1.4% at 812.50p at 1522 BST on Wednesday.Meanwhile, Sage Group chief executive Stephen Kelly has bought 20,000 shares at 496.50p. Kelly was appointed CEO in November 2014.Shares fell 1.33% to 496.80 at 1523 BST.