Lesley Knox, a non-executive director at SABMiller, the multi-national lager brewing company, has snapped up £63,225-worth of shares in the firm. Knox, 58, is a new recruit to SABMiller, and is also the chairwoman of Alliance Trust and the Grosvenor Group. Earlier today, the company announced that it has won regulatory approval for its £6.5bn takeover of Foster's.In return for the thumbs up from the Australian Federal Treasurer, SABMiller says it has agreed to keep the management of Foster's in Australia.SABMiller now expects the transaction to complete before the end of 2011 subject to a shareholder vote in December. Despite a turbulent year, the firm's share price is at the same level it was a year ago, having gained 0.54% on its share price. Top Director BuysTristel (TSTL) Director name: Mr Francisco Angel SolerAmount purchased: 200,000 @ 40.00p Value: £80,000Lowland Investment Co (LWI) Director name: Mr Robert RobertsonAmount purchased: 9,825 @ 780.00p Value: £76,635SABMiller (SAB) Director name: Mrs Lesley KnoxAmount purchased: 3,000 @ 2,107.50p Value: £63,225Close Brothers Group (CBG) Director name: Mr Bruce Carnegie-BrownAmount purchased: 10,000 @ 615.92p Value: £61,592Great Portland Estates (GPOR) Director name: Mr Nick SandersonAmount purchased: 16,694 @ 327.50p Value: £54,673GVC Holdings (GVC) Director name: Mr Lee FeldmanAmount purchased: 20,000 @ 125.00p Value: £25,000StatPro Group (SOG) Director name: Mr Mark C AdorianAmount purchased: 25,000 @ 86.50p Value: £21,625Speedy Hire (SDY) Director name: Ms Lynn KrigeAmount purchased: 93,000 @ 20.80p Value: £19,344Top Director SellsTristel (TSTL) Director name: Mr Peter F H StephensAmount sold: 200,000 @ 40.00p Value: £80,000