(ShareCast News) - N Brown's chief executive officer Angela Spindler made her first purchase on Tuesday, nabbing 23,782 shares in the home shopping business at 292.80p each.Elsewhere, Imagination Technologies' non-executive director Andrew Heath picked up 37,710 shares in the chip maker at 131.60p each.The transaction brought his interest in the company up to 58,387 shares.Harworth's chairman, Jonson Cox, offloaded 150,000 shares in the property regeneration specialist at 13.06p.Cox and his immediate family hold just under 8.7m shares, representing 0.296%.Top Director Buys Africa Opportunity Fund Limited C (AOFC)Director name: Mr Robert C KnappAmount purchased: 428,423 @ $0.65Value: $278,475 Brown (N.) Group (BWNG)Director name: Ms Angela SpindlerAmount purchased: 23,782 @ 292.80pValue: £69,634 Imagination Technologies Group (IMG)Director name: Mr Andrew HeathAmount purchased: 37,710 @ 131.60pValue: £49,626 Prairie Mining Limited (PDZ)Director name: Mr Todd William HanniganAmount purchased: 357,825 @ 6.45pValue: £23,080 U And I Group (UAI)Director name: Mr Barry BennettAmount purchased: 20,000 @ 237.00pValue: £47,400 Hunting (HTG)Director name: Mr John HofmeisterAmount purchased: 15,000 @ 288.50pValue: £43,275 Kromek Group (KMK)Director name: Sir Peter WilliamsAmount purchased: 30,000 @ 34.50pValue: £10,350 Top Director Sells Tracsis (TRCS)Director name: Mr Charles Stephen WinwardAmount sold: 37,000 @ 532.00pValue: £196,840 Standard Chartered (STAN)Director name: Mr John PeaceAmount sold: 4,736 @ 559.00pValue: £26,474 Standard Chartered (STAN)Director name: Mr John PeaceAmount sold: 4,363 @ 560.00pValue: £24,433 Harworth Group (HWG)Director name: Mr Jonson CoxAmount sold: 150,000 @ 13.06pValue: £19,590 UDG Healthcare Public Limited Company (UDG)Director name: Mr Chris BrinsmeadAmount sold: 2,500 @ 563.50pValue: £14,088