(ShareCast News) - Robert Brown, a non-executive director at Rio Tinto, picked up 4,500 American Depositary Receipts in the miner at an individual price of US$46.27, pocketing out a total of US$208,215 in the process.On 8 February, the Australia-focused miner reported full-year net earnings of $4.6bn compared to a loss of $866m the year before as most commodity prices rose for the first time in a number years in the second half of 2016, despite numerous political and macro shocks to the global economy.Almost a week afterwards, on 14 February, analysts at Macquarie reiterated their 'outperform' recommendation and 4,335p target price on the shares on the heels of a sell-side analyst roundtable with Rio's finance chief, Chris Lynch."The discussion focused on RIO's organic growth options, detailing the $5.0bn productivity target and potential for further capital management given current iron-ore price strength.""CFO Chris Lynch reiterated there are only three destinations for RIO's cash generation-capital expenditure, strengthening the balance sheet, or shareholder returns."A lift in the US$0.5bn share buy-back post the sale of Coal & Allied looks likely, with dividend payouts expected to be towards the upper end of the payout range."Top Director BuysDamille Investments Ii Ltd (DIL2)Director name: Miller,Brett LanceAmount purchased: 449,910 @ 132.68pValue: £596,934.31Rio Tinto (RIO)Director name: Brown,RobertAmount purchased: 4,500 @ $46.27Value: $208,215Electrocomponents (ECM)Director name: Guerra,KarenAmount purchased: 5,226 @ 479.00pValue: £25,032.54Chaarat Gold Holdings Ltd. (di) (CGH)Director name: Andersson,Martin Amount purchased: 150,000 @ 15.00pValue: £22,500.00Avon Rubber (AVON)Director name: Rayner,Paul AAmount purchased: 1,700 @ 994.00pValue: £16,898.00Touchstar (TST)Director name: Martin,Ian PaulAmount purchased: 10,000 @ 88.00pValue: £8,800.00Chaarat Gold Holdings Ltd. (di) (CGH)Director name: Andersson,Martin Amount purchased: 50,000 @ 14.50pValue: £7,250.00Avon Rubber (AVON)Director name: Rayner,Paul AAmount purchased: 350 @ 994.00pValue: £3,479.00Avon Rubber (AVON)Director name: Rayner,Paul AAmount purchased: 150 @ 994.00pValue: £1,491.00Avon Rubber (AVON)Director name: Rayner,Paul AAmount purchased: 150 @ 994.00pValue: £1,491.00Avon Rubber (AVON)Director name: Rayner,Paul AAmount purchased: 150 @ 994.00pValue: £1,491.00Sthree (STHR)Director name: Elden,GaryAmount purchased: 57 @ 329.00pValue: £187.53Sthree (STHR)Director name: Smith,AlexAmount purchased: 57 @ 329.00pValue: £187.53United Utilities Group (UU.)Director name: Houlden,RussAmount purchased: 19 @ 947.04pValue: £179.94British Land Company (BLND)Director name: Grigg,ChrisAmount purchased: 25 @ 606.16pValue: £151.54British Land Company (BLND)Director name: Roberts,Timothy AndrewAmount purchased: 25 @ 606.16pValue: £151.54British Land Company (BLND)Director name: Bell,Lucinda Amount purchased: 25 @ 606.16pValue: £151.54Aa (AA.)Director name: Clarke,Martin CAmount purchased: 59 @ 256.00pValue: £151.04Aa (AA.)Director name: Mackenzie,BobAmount purchased: 59 @ 256.00pValue: £151.04Aa (AA.)Director name: Clarke,Martin CAmount purchased: 59 @ 256.00pValue: £151.04Sig (SHI)Director name: Monro,RichardAmount purchased: 133 @ 112.72pValue: £149.92Sig (SHI)Director name: Monro,RichardAmount purchased: 133 @ 112.72pValue: £149.92Zotefoams (ZTF)Director name: McGrath ,Gary Amount purchased: 53 @ 281.53pValue: £149.21Zotefoams (ZTF)Director name: Stirling,DavidAmount purchased: 53 @ 281.53pValue: £149.21Emis Group (EMIS)Director name: Southby,PeterAmount purchased: 16 @ 925.50pValue: £148.08Go-ahead Group (GOG)Director name: Ferguson,CarolynAmount purchased: 6 @ 2,291.00pValue: £137.46Go-ahead Group (GOG)Director name: Brown,David Amount purchased: 6 @ 2,291.00pValue: £137.46Imi (IMI)Director name: Selway,Mark WAmount purchased: 10 @ 1,216.75pValue: £121.67Imi (IMI)Director name: Twite,RoyAmount purchased: 10 @ 1,216.75pValue: £121.67Imi (IMI)Director name: Shook ,Daniel Amount purchased: 10 @ 1,216.75pValue: £121.67Go-ahead Group (GOG)Director name: Edwards,Paul Amount purchased: 5 @ 2,291.00pValue: £114.55Top Director SellsRoyal Dutch Shell 'a' (RDSA)Director name: Henry,SimonAmount sold: 50,000 @ 2,285.00pValue: £1,142,500.02