David Breith, the Chief Executive Officer of Coms, on Tuesday acquired 1.53m shares, which the same day climbed after the group announced a "significant" contract win.Breith bought the shares at 4.48p each for a total of £68,544. The telecommunications and information technology specialist has secured a contract to supply a provider with up to 50,000 mobile SIM cards through Coms's newly built mobile network.The SIM cards are expected to be rolled out over 24 months with the first order for 10,000 cards already received and due to be delivered in early 2014.The contract will generate an estimated revenue of about £20 per user per month. Coms will also supply the customer with VoIP telephony, lines and broadband and other data connectivity. Top Director BuysUtilitywise (UTW) Director name: Mr Jeremy MiddletonAmount purchased: 119,050 @ 212.00p Value: £252,386Coms (COMS) Director name: Mr David BreithAmount purchased: 1,530,000 @ 4.48p Value: £68,544Severfield-Rowen (SFR) Director name: Mr John DoddsAmount purchased: 77,500 @ 63.00p Value: £48,825Assura Group Ltd. (AGR) Director name: Mr Jonathan MurphyAmount purchased: 100,000 @ 39.04p Value: £39,040Record (REC) Director name: Mr James Wood-CollinsAmount purchased: 117,478 @ 31.66p Value: £37,194Record (REC) Director name: Dr Cornelis A C M (Cees) SchrauwersAmount purchased: 100,000 @ 32.00p Value: £32,000Record (REC) Director name: Mr Bob NoyenAmount purchased: 83,959 @ 31.66p Value: £26,581Severfield-Rowen (SFR) Director name: Mr Ian LawsonAmount purchased: 40,309 @ 62.00p Value: £24,992Record (REC) Director name: Mrs Leslie HillAmount purchased: 76,039 @ 31.66p Value: £24,074Severfield-Rowen (SFR) Director name: Mr Ian LawsonAmount purchased: 38,940 @ 61.00p Value: £23,753Top Director SellsBurberry Group (BRBY) Director name: Ms Angela AhrendtsAmount sold: 236,193 @ 1,499.19p Value: £3,540,982Burberry Group (BRBY) Director name: Ms Angela AhrendtsAmount sold: 52,981 @ 1,499.19p Value: £794,286SVG Capital (SVI) Director name: Mr Lynn FordhamAmount sold: 150,000 @ 407.20p Value: £610,800NR