(ShareCast News) - Petra Diamond non-executive chairman Adonis Pouroulis sold 1,052,637 shares in the firm in two separate transactions, 752,637 shares at 170p each and another 300,000 at 171p, on 7th and 8th December, respectively.His decision followed a recent sharp run-up in the value of the company's stock.On 24 October, the mining outfit reported that production was up by 30% year-on-year during the first quarter to 30 September, reaching 1,097,523 carats.In the following session, analysts at Citi bumped up their target price on the shares from 120p to 150p, telling clients they expected fiscal year 2018 to mark an "inflection point" for the company's free cash flows and that they expected Petra to reinstate its dividends from then on.The drop in the pound also meant their estimate of net present value per share was boosted from 109p to 138p.Top Director BuysNextenergy Solar Fund Limited Red (NESF)Director name: Firth,PatrickAmount purchased: 50,000 @ 108.40pValue: £54,200.00Gocompare.com Group (GOCO)Director name: Byng-Thorne,ZillahAmount purchased: 84,322 @ 64.13pValue: £54,071.48Johnson Matthey (JMAT)Director name: Mottershead,ChrisAmount purchased: 491 @ 3,049.00pValue: £14,970.59Baillie Gifford Japan Trust (BGFD)Director name: Kidd,DavidAmount purchased: 2,500 @ 569.20pValue: £14,230.12Schroder Asian Total Return Investment Company (ATR)Director name: Keljik,Christopher AAmount purchased: 4,800 @ 249.00pValue: £11,952.00Capita (CPI)Director name: Greatorex,NickAmount purchased: 2,091 @ 474.60pValue: £9,923.89Capita (CPI)Director name: Cresswell,JohnAmount purchased: 2,000 @ 468.00pValue: £9,360.00Abcam (ABC)Director name: Hennessy,MurrayAmount purchased: 504 @ 785.88pValue: £3,960.84Abcam (ABC)Director name: Patten,LouiseAmount purchased: 431 @ 785.88pValue: £3,387.14Abcam (ABC)Director name: Harris,Sue Amount purchased: 428 @ 785.88pValue: £3,363.57Abcam (ABC)Director name: Aspinall,Mara GAmount purchased: 298 @ 785.88pValue: £2,341.92Foreign And Colonial Inv Trust (FRCL)Director name: Bone,RogerAmount purchased: 189 @ 526.67pValue: £995.41Prudential (PRU)Director name: Wells,Mike Amount purchased: 12 @ 1,636.97pValue: £196.44Prudential (PRU)Director name: Nicandrou,NicolaosAmount purchased: 11 @ 1,636.97pValue: £180.07Prudential (PRU)Director name: Foley,John W.Amount purchased: 11 @ 1,636.97pValue: £180.07Capita (CPI)Director name: Greatorex,NickAmount purchased: 30 @ 562.00pValue: £168.60Interserve (IRV)Director name: Haywood,TimAmount purchased: 47 @ 319.97pValue: £150.39Interserve (IRV)Director name: Melizan,BruceAmount purchased: 47 @ 319.97pValue: £150.39Share Plc (SHRE)Director name: Thomas ,Gareth Amount purchased: 546 @ 27.50pValue: £150.15Share Plc (SHRE)Director name: Ecsery,Francesca Eva Amount purchased: 546 @ 27.50pValue: £150.15Share Plc (SHRE)Director name: Stone,Richard WilliamAmount purchased: 545 @ 27.50pValue: £149.88Share Plc (SHRE)Director name: Birkett,Mike Amount purchased: 545 @ 27.50pValue: £149.88Share Plc (SHRE)Director name: Tolkien,RichardAmount purchased: 545 @ 27.50pValue: £149.88Mondi (MNDI)Director name: King,AndrewAmount purchased: 9 @ 1,616.84pValue: £145.52Mondi (MNDI)Director name: Hathorn,David AAmount purchased: 9 @ 1,616.84pValue: £145.52Mondi (MNDI)Director name: Hunt,CarolAmount purchased: 9 @ 1,616.84pValue: £145.52National Grid (NG.)Director name: Bonfield,Andrew R JAmount purchased: 16 @ 904.80pValue: £144.77National Grid (NG.)Director name: Pettigrew,JohnAmount purchased: 16 @ 904.80pValue: £144.77National Grid (NG.)Director name: Westcott,Mike Amount purchased: 14 @ 904.80pValue: £126.67Interserve (IRV)Director name: Ringrose,Adrian MAmount purchased: 39 @ 319.97pValue: £124.79Harworth Group (HWG)Director name: Kirkman ,Andrew Amount purchased: 125 @ 92.30pValue: £115.37Top Director SellsPetra Diamonds Ltd.(di) (PDL)Director name: Pouroulis,AdonisAmount sold: 752,637 @ 170.02pValue: £1,279,601.10Ab Dynamics (ABDP)Director name: Best,Anthony (Tony) Amount sold: 250,000 @ 475.00pValue: £1,187,500.00Capital & Counties Properties (CAPC)Director name: Das,SoumenAmount sold: 208,153 @ 298.61pValue: £621,563.18Petra Diamonds Ltd.(di) (PDL)Director name: Pouroulis,AdonisAmount sold: 300,000 @ 170.61pValue: £511,836.00Capital & Counties Properties (CAPC)Director name: Das,SoumenAmount sold: 76,831 @ 297.68pValue: £228,711.36Jupiter Fund Management (JUP)Director name: Carter,Edward BonhamAmount sold: 3,092 @ 428.90pValue: £13,261.59