The chief executive of Colt has opened his wallet, splashing out nearly £250,000 on shares in the business communications and IT managed services firm.Rakesh Bhasin bought 200,000 shares at 121.4p a go and now has 500,000. Back in May he took 100,000 at 118.5p a time.Bhasin was appointed to the board of Colt in December 2006. He is a former president and chief executive of Tokyo-based telecoms group KVH and has also held positions at AT&T, also a telecoms group and at Japan Telecom Company.Top Director BuysCOLT Group SA (COLT) Director name: Mr Rakesh BhasinAmount purchased: 200,000 @ 121.39p Value: £242,780Valiant Petroleum (VPP) Director name: Mr Mark Jonathan LewisAmount purchased: 10,000 @ 590.00p Value: £59,000CLS Holdings (CLI) Director name: Mr Sten A MortstedtAmount purchased: 10,000 @ 535.00p Value: £53,500Marshalls (MSLH) Director name: Mr Tim PileAmount purchased: 18,424 @ 108.00p Value: £19,898Filtronic (FTC) Director name: Mr Mike Brennan Amount purchased: 40,400 @ 35.50p Value: £14,342Top Director SellsKier Group (KIE) Director name: Miss Deena E MattarAmount sold: 10,000 @ 1,320.00p Value: £132,000