The Chief Executive of Pearson's US education division, Will Ethridge, who is due to leave at the end of the year, sold almost a tenth of his shares in the company it was announced on Wednesday afternoon.Ethridge, who has been at the company since 2008 and is due to depart after a management shake-up in the summer, made £0.5m from selling close to 9% of his stake at a price of $20.95 per American depository receipt, equivalent to 1,285.47p.The shares have been trading at 10-year highs between 1,300p and 1,350p in recent months.Three non-executive directors at iron ore miner London Mining have been buying in recent days after the company lowered its annual production guidance for the current year. Alan Ferguson, non-executive director, bought £46,000 worth at a price of 101.3p, following a similar purchase by Chairman Michael Miles and a smaller investment by Deputy Chairman Nicholas Bonsor earlier in the week. Easyjet executives picked up shares as part of the board's long-term incentive plan, while Botswana Diamonds directors took part in a £0.7m placing to fund an imminently beginning exploration project.Top Director BuysMondi (MNDI) Director name: Mr Tshamano Mohau Frederik PhaswanaAmount purchased: 5,000 @ 967.75p Value: £48,388easyJet (EZJ) Director name: Ms Carolyn McCallAmount purchased: 20,290 @ 1,506.00p Value: £305,567Botswana Diamonds (BOD) Director name: Mr John J TeelingAmount purchased: 4,400,000 @ 2.50p Value: £110,000easyJet (EZJ) Director name: Mr Chris Kennedy Amount purchased: 6,254 @ 1,506.00p Value: £94,185Botswana Diamonds (BOD) Director name: Mr James FinnAmount purchased: 2,000,000 @ 2.50p Value: £50,000London Mining (LOND) Director name: Mr Alan M FergusonAmount purchased: 45,407 @ 101.30p Value: £45,997Kazakhmys (KAZ) Director name: Mr Simon HealeAmount purchased: 23,000 @ 195.50p Value: £44,965Botswana Diamonds (BOD) Director name: Mr David HorganAmount purchased: 1,600,000 @ 2.50p Value: £40,000Arbuthnot Banking Group (ARBB) Director name: Mr Henry AngestAmount purchased: 3,000 @ 1,250.00p Value: £37,500Vitec Group (VTC) Director name: Mr Christopher HumphreyAmount purchased: 5,000 @ 650.00p Value: £32,500Top Director SellsPearson (PSON) Director name: Mr Will EthridgeAmount sold: 38,751 @ 1,285.47p Value: £498,132Informa (INF) Director name: Mr Peter RigbyAmount sold: 103,304 @ 523.23p Value: £540,518CLS Holdings (CLI) Director name: Mr Thomas J ThomsonAmount sold: 20,000 @ 1,220.00p Value: £244,000Genesis Emerging Markets Fund Ltd Ptg NPV (GSS) Director name: Mr Saffet KarpatAmount sold: 7,500 @ 507.97p Value: £38,098