(Sharecast News) - Sky's chief executive Jeremy Darroch purchased 32,671 ordinary shares in the London-listed TV giant on Wednesday.Darroch, who joined Sky as its CFO back in 2004, acquired the shares at an average price of 1,545p each, for a total value of £504,766.94.Sky reported a 5% improvement in like-for-like revenue in its results for the 12 months ended 30 June on Thursday, to £13.6bn.The FTSE 100 subscription broadcaster and telecoms retailer reported an 11% increase in 'established business' EBITDA to £2.5bn and a 9% increase in EBITDA itself.Operating costs were down 70 basis points as a percentage of revenue, while Sky's earnings per share rose 10% to 67.3p.On a statutory basis, operating profit rose 7% to £1.03bn, and earnings per share were 17% higher at 47.5p.As of 1610 BST, Sky shares had dipped 0.10% to 1,543.50p.Top Director BuysSky (SKY)Director name: Darroch,JeremyAmount purchased: 32,671 @ 1,545.00pValue: £504,766.94Sky (SKY)Director name: Griffith,Andrew Neal Amount purchased: 15,427 @ 1,545.00pValue: £238,347.15Intermediate Capital Group (ICP)Director name: Schioldager,Amy Amount purchased: 10,000 @ 1,033.59pValue: £103,359.00Vpc Specialty Lending Investments (VSL)Director name: Levy,RichardAmount purchased: 67,375 @ 83.00pValue: £55,921.25Georgia Capital (CGEO)Director name: Giluari,IrakliAmount purchased: 4,232 @ 1,019.73pValue: £43,155.12South32 Limited (di) (S32)Director name: Liu,XiaolingAmount purchased: 10,000 @ $3.45Value: $20,219.19South32 Limited (di) (S32)Director name: Cooper,FrankAmount purchased: 5,144 @ $3.42Value: $10,310.31Witan Inv Trust (WTAN)Director name: Rogoff,BenAmount purchased: 72 @ 1,129.17pValue: £813.00Direct Line Insurance Group (DLG)Director name: Tomlinson,Humphrey Amount purchased: 45 @ 337.00pValue: £151.65Standard Life Aberdeen (SLA)Director name: Paris,Rod Amount purchased: 46 @ 328.50pValue: £151.11Arrow Global Group (ARW)Director name: French,TracyAmount purchased: 58 @ 258.00pValue: £149.64Arrow Global Group (ARW)Director name: Rochford,LeeAmount purchased: 58 @ 258.00pValue: £149.64Arrow Global Group (ARW)Director name: Hamilton,StewartAmount purchased: 58 @ 258.00pValue: £149.64Arrow Global Group (ARW)Director name: Sutherland,DaveAmount purchased: 58 @ 258.00pValue: £149.64Arrow Global Group (ARW)Director name: Cooper,Paul Amount purchased: 58 @ 258.00pValue: £149.64Direct Line Insurance Group (DLG)Director name: Maddock,Steven Amount purchased: 44 @ 337.00pValue: £148.28Standard Life Aberdeen (SLA)Director name: Skeoch,KeithAmount purchased: 38 @ 328.50pValue: £124.83Top Director SellsSouth32 Limited (di) (S32)Director name: Kerr ,GrahamAmount sold: 633,872 @ $3.39Value: $1,715,220.20South32 Limited (di) (S32)Director name: Harris,Brendan Amount sold: 403,802 @ $3.39Value: $1,092,664.36Wey Education (WEY)Director name: Erica Christine Pienaar ,Dame Amount sold: 300,000 @ 16.00pValue: £48,000.00