(Sharecast News) - Castleton Technology's chief financial officer Haywood Chapman disposed of 270,000 ordinary shares in the AIM-listed IT services company.Chapman, who took up the role back in 2014, sold the shares at an average price of 97p, for a total value of £261,900.01.The software and managed services provider secured a "significant" contract with existing customer, Circle Voluntary Housing Association, earlier in August.Castleton said it would provide a cloud managed desktop-as-a-service hosted in its Tier 3 data centres, with business continuity via its backup and disaster recovery service, as well as a managed service desk which would deliver support and service improvements to the Circle user base - both remotely and onsite.It said the total contract value was £360,000 over five-and-a-half years, which complemented the six hosted software products Circle already received, which were purchased in January on a 10-year contract.As of 1540 BST, Castleton shares had ticked ahead 0.48% to 104p.Top Director BuysRichoux Group (RIC)Director name: Rayne,RobertAmount purchased: 2,916,667 @ 6.00pValue: £175,000.02Richoux Group (RIC)Director name: Diliberto,SalvatoreAmount purchased: 2,166,667 @ 6.00pValue: £130,000.02Richoux Group (RIC)Director name: Diliberto,SalvatoreAmount purchased: 2,000,000 @ 6.00pValue: £120,000.00Richoux Group (RIC)Director name: Kaye,JonathanAmount purchased: 1,041,667 @ 6.00pValue: £62,500.02Richoux Group (RIC)Director name: Kaye,JonathanAmount purchased: 1,041,667 @ 6.00pValue: £62,500.02Mporium Group (MPM)Director name: Groot,Nelius DeAmount purchased: 750,000 @ 6.10pValue: £45,750.00Standard Life Private Equity Trust (SLPE)Director name: Bond,JonathonAmount purchased: 11,870 @ 336.00pValue: £39,883.20Richoux Group (RIC)Director name: Gashi,MehdiAmount purchased: 416,667 @ 6.00pValue: £25,000.02Firstgroup (FGP)Director name: Hauser,WolfhartAmount purchased: 10,673 @ 93.00pValue: £9,925.89Atlantis Japan Growth Fund Ltd. (AJG)Director name: Moule,MichaelAmount purchased: 2,000 @ 215.68pValue: £4,313.60Centrica (CNA)Director name: Valle,Margherita D.Amount purchased: 1,385 @ 142.70pValue: £1,976.40Tomco Energy (TOM)Director name: Benger,AlexanderAmount purchased: 18,293 @ 5.25pValue: £960.38Record (REC)Director name: Cullen,SteveAmount purchased: 535 @ 41.99pValue: £224.65Rockhopper Exploration (RKH)Director name: MacDonald,StewartAmount purchased: 383 @ 39.15pValue: £149.94Rockhopper Exploration (RKH)Director name: Moody,Samuel JohnAmount purchased: 383 @ 39.15pValue: £149.94Top Director SellsCastleton Technology (CTP)Director name: Chapman,HaywoodAmount sold: 270,000 @ 97.00pValue: £261,900.01Marshalls (MSLH)Director name: Coffey,MartynAmount sold: 39,297 @ 466.70pValue: £183,399.09Marshalls (MSLH)Director name: Coffey,MartynAmount sold: 35,703 @ 453.80pValue: £162,020.22