Kingfisher's group finance director has spent just over £24,860 on shares less than two weeks after the release of its interim results.Karen Witts added 7,926 shares to her stake, spending 313.66p a time.Kingfisher reported flat profits due to currency volatility, although it said the buoyant UK housing market had lifted demand for DIY products.French sales were only slightly higher as the group took a hit from the country's ongoing slow economy and declining housing market.The B&Q and Brico Depot owner also revealed that it has decided to replace its chief executive with Véronique Laury, the head of its French Castorama business, and said she would take over from Ian Cheshire before the end of this financial year.Top Director BuysKofax Limited (DI) (KFX) Director name: Mr Joe RoseAmount purchased: 10,000 @ 471.34p Value: £47,134Burford Capital (BUR) Director name: Mr Hugh Steven WilsonAmount purchased: 50,000 @ 123.00p Value: £61,500Acal (ACL) Director name: Mr Graham WilliamsAmount purchased: 15,000 @ 230.00p Value: £34,500Gable Holdings Inc. (GAH) Director name: Mr William DewsallAmount purchased: 35,000 @ 71.38p Value: £24,983Kingfisher (KGF) Director name: Ms Karen WittsAmount purchased: 7,926 @ 313.66p Value: £24,861Direct Line Insurance Group (DLG) Director name: Mr Paul GeddesAmount purchased: 4,510 @ 294.31p Value: £13,273Gable Holdings Inc. (GAH) Director name: Mr Michael HirschfieldAmount purchased: 15,000 @ 72.40p Value: £10,860Top Director SellsCropper (James) (CRPR) Director name: Mr Patrick WillinkAmount sold: 3,500 @ 406.00p Value: £14,210