(ShareCast News) - The chief executive of Smart Metering Systems (SMS) sold £3.5m worth in shares in the company.Alan Foy sold 1.109m shares for an individual price of 315.5p, spending a total of £3.49m in the transaction.Following the sale, Foy holds 7.78m shares, which represent 9% of the group's issued share capital.The chief executive announced last month the company has been rebranded as SMS following a "transforrmational year".SMS said at the time it has been exploring avenues to increase its penetration in other geographic markets, including through the energy management proposition in Italy and the Caribbean.Top Director BuysWitan Inv Trust (WTAN) Director name: Mr Anthony WatsonAmount purchased: 5,056 @ 796.93p Value: £40,293International Biotech Trust (IBT) Director name: Mr Caroline GulliverAmount purchased: 2,500 @ 569.01p Value: £14,225Top Director SellsSmart Metering Systems (SMS) Director name: Mr Alan FoyAmount sold: 1,109,350 @ 315.50p Value: £3,499,999Telford Homes (TEF) Director name: Mr John FitzgeraldAmount sold: 100,000 @ 421.38p Value: £421,380Telford Homes (TEF) Director name: Mr John FitzgeraldAmount sold: 25,000 @ 416.50p Value: £104,125