The chairman of Electrocomponents bought some shares in the group on Monday.Peter Johnson purchased 50,000 shares for an individual price of 230.15p.After spending a total of £115,075 in the transaction, Johnson holds 150,000 shares, which represent 0.1% of the issued share capital.The distributor of electronics and maintenance products company said last month its international grew by 8%, but chief executive Ian Manson said the UK market "remains tough", with sales declining by 2%.Top Director BuysElectrocomponents (ECM) Director name: Mr Peter M JohnsonAmount purchased: 50,000 @ 230.15p Value: £115,075River and Mercantile Group (RIV) Director name: Mr Kevin HayesAmount purchased: 46,000 @ 215.50p Value: £99,130Rank Group (RNK) Director name: Rt Hon Sir Richard (Earl of Kilmorey) NeedhamAmount purchased: 21,100 @ 188.37p Value: £39,746Tungsten Corporation (TUNG) Director name: Mr Daniel Fosbroke Truell Amount purchased: 15,882 @ 159.00p Value: £25,252BlackRock Income Strategies Trust (BIST) Director name: Miss Lynn RuddickAmount purchased: 10,290 @ 136.01p Value: £13,995Top Director SellsCrest Nicholson Holdings (CRST) Director name: Mr Stephen StoneAmount sold: 55,864 @ 435.25p Value: £243,148Crest Nicholson Holdings (CRST) Director name: Mr Patrick BerginAmount sold: 14,754 @ 435.25p Value: £64,217