(ShareCast News) - Patrick Firth, Riverstone Energy's Senior non-executive Independent Director, bought 4,000 shares in the closed-ended investment company at an individual price of 1,3430p, for a total consideration of £53,720.The purchase was carried out on 9 January, the company said in a statement, following a very strong run in the stock's price over the preceeding 12 months.LSE-listed Riverstone was especially focused on the exploration and production and midstream sectors.Shares in Riverstone Energy finished the session at a 52-week high of 1,355p. Top Director BuysRiverstone Energy Limited (RSE)Director name: Firth,PatrickAmount purchased: 4,000 @ 1,343.00pValue: £53,720.00Futura Medical (FUM)Director name: Freeman,Jonathan DavidAmount purchased: 35,803 @ 57.50pValue: £20,586.72Jersey Electricity 'a' Shares (JEL)Director name: Ambler,ChristopherAmount purchased: 2,415 @ 414.00pValue: £9,998.10Immunodiagnostic Systems Holdings (IDH)Director name: Campe,Till BengtAmount purchased: 1,500 @ 245.00pValue: £3,675.00Foreign And Colonial Inv Trust (FRCL)Director name: Bone,RogerAmount purchased: 179 @ 556.00pValue: £995.24Temple Bar Inv Trust (TMPL)Director name: Reeve,JohnAmount purchased: 78 @ 1,263.40pValue: £985.45Foreign And Colonial Inv Trust (FRCL)Director name: Hewitt,JeffreyAmount purchased: 90 @ 556.00pValue: £500.40Capita (CPI)Director name: Greatorex,NickAmount purchased: 36 @ 504.50pValue: £181.62Zoopla Property Group (ZPLA)Director name: Chesterman,Alex Amount purchased: 45 @ 334.00pValue: £150.30Easyjet (EZJ)Director name: Findlay ,Andrew Amount purchased: 14 @ 1,071.00pValue: £149.94Easyjet (EZJ)Director name: McCall,CarolynAmount purchased: 14 @ 1,071.00pValue: £149.94Zoopla Property Group (ZPLA)Director name: Botha,AndyAmount purchased: 44 @ 334.00pValue: £146.96Croda International (CRDA)Director name: Layden ,Keith Amount purchased: 4 @ 3,255.00pValue: £130.20Croda International (CRDA)Director name: Foots,Steve Amount purchased: 4 @ 3,255.00pValue: £130.20Imi (IMI)Director name: Selway,Mark WAmount purchased: 12 @ 1,067.00pValue: £128.04Imi (IMI)Director name: Twite,RoyAmount purchased: 12 @ 1,067.00pValue: £128.04Meggitt (MGGT)Director name: Green,Philip ErnestAmount purchased: 28 @ 450.90pValue: £126.25Lloyds Banking Group (LLOY)Director name: Culmer,GeorgeAmount purchased: 192 @ 65.20pValue: £125.18Lloyds Banking Group (LLOY)Director name: Colombás ,Juan Amount purchased: 192 @ 65.20pValue: £125.18Meggitt (MGGT)Director name: Webb,DougAmount purchased: 27 @ 450.90pValue: £121.74Meggitt (MGGT)Director name: Young,Stephen GAmount purchased: 27 @ 450.90pValue: £121.74Firstgroup (FGP)Director name: Barker,MickAmount purchased: 110 @ 104.90pValue: £115.39