Sir Ron Brierley, a non-executive director of Guinness Peat Group (GPG), sold five million shares in the investment holding company for a second week running.Brierley, a well-known New Zealand investor, offloaded the shares on Wednesday at a price of A$0.47 each (30.31p), pocketing a total of A$2.35m (around £1.52m). This follows his £1.55m sale on December 12th.The director, who joined GPG in 1990 and was running as Chairman until 2010, trimmed his stake to 2.01%, from 2.33% after the last sale.The sales come after the stock's recent rise; over the last six months, the shares have risen 27%.The company, listed in London, Australia and New Zealand, invests in a number of businesses, mainly in Europe and Australasia. Top Director BuysCaterpillar Inc. (CTA) Director name: Mr Douglas R OberhelmanAmount purchased: 140,000 @ € 20.52 Value: € 2,872,170Lonmin (LMI) Director name: Dr Deenadayalan (Len) KonarAmount purchased: 10,000 @ 295.40p Value: £29,540Keller Group (KLR) Director name: Mr Paul WithersAmount purchased: 10,000 @ 647.90p Value: £64,790Darty (DRTY) Director name: Mr Alan C ParkerAmount purchased: 100,000 @ 58.86p Value: £58,860Pacific Alliance Asia Opportunity Fund Ltd (PAX) Director name: Mr Christopher M GradelAmount purchased: 45,956 @ $1.26 Value: $58,134Hargreaves Lansdown (HL.) Director name: Mr Stephen RobertsonAmount purchased: 5,695 @ 698.50p Value: £39,780Ferrum Crescent Ltd NPV (DI) (FCR) Director name: Mr Edward F G NealonAmount purchased: 1,250,000 @ 1.94p Value: £24,125ACM Shipping Group (ACMG) Director name: Mr John Lawrence PlumbeAmount purchased: 21,062 @ 142.00p Value: £29,908Innovation Group (TIG) Director name: Mr Jane HallAmount purchased: 105,000 @ 23.50p Value: £24,675Berkeley Mineral Resources (BMR) Director name: Mr Masoud AlikhaniAmount purchased: 700,000 @ 2.80p Value: £19,600Top Director SellsInvestec (INVP) Director name: Mr Stephen KoseffAmount sold: 250,000 @ 408.40p Value: £1,021,000Caterpillar Inc. (CTA) Director name: Mr Douglas R OberhelmanAmount sold: 82,943 @ € 67.50 Value: € 5,598,901Victrex (VCT) Director name: Mr D R HummelAmount sold: 402,311 @ 1,620.23p Value: £6,518,364Guinness Peat Group (GPG) Director name: Sir Ronald A BrierleyAmount sold: 5,000,000 @ 30.31p Value: £1,515,500Caterpillar Inc. (CTA) Director name: Mr Charles D PowellAmount sold: 10,700 @ € 68.12 Value: € 728,893Cineworld Group (CINE) Director name: Mr Thomas McGrathAmount sold: 126,000 @ 258.69p Value: £325,949Afren (AFR) Director name: Mr Egbert ImomohAmount sold: 200,000 @ 127.22p Value: £254,460Dairy Farm International Holdings Ltd. (Singapore) (DFI) Director name: Mr Ronald J FlotoAmount sold: 12,600 @ $11.28 Value: $142,094Xstrata (XTA) Director name: Mr David RoughAmount sold: 7,000 @ 1,050.00p Value: £73,500Investec (INVP) Director name: Mr David MillerAmount sold: 13,000 @ 404.00p Value: £52,520