Wolfhart Hauser, who joined the board of Reed Elsevier in early 2013, has spent £39,791 on building his stake in the business publishing group.The non-executive paid 968.87p apiece for 4,107 shares and 1,736 euro cents a share on a further 1,260 NV shares.Meanwhile, John Gunn, the non-executive chairman of Rotala, has sold 900,000 shares in the company.Each of the shares was disposed of at 55p each, generating total proceeds of £495,000.He now owns 27.25% stake in the public transport group.Top Director BuysDeltex Medical Group (DEMG) Director name: Mr Tim (Timothy) IrishAmount purchased: 848,484 @ 8.25p Value: £70,000Wetherspoon (J.D.) (JDW) Director name: Mr John HutsonAmount purchased: 7,005 @ 792.30p Value: £55,501Reed Elsevier (REL) Director name: Mr Wolfhart HauserAmount purchased: 4,107 @ 968.87p Value: £39,791Finsbury Growth & Income Trust (FGT) Director name: Mr Neil CollinsAmount purchased: 5,000 @ 498.30p Value: £24,915Dunedin Income Growth Inv Trust (DIG) Director name: Mr Peter WoltonAmount purchased: 8,892 @ 260.20p Value: £23,137Top Director SellsDriver Group (DRV) Director name: Mr Alan McClueAmount sold: 625,000 @ 97.71p Value: £610,687Rotala (ROL) Director name: Mr John GunnAmount sold: 900,000 @ 55.00p Value: £495,000Dairy Farm International Holdings Ltd. (Singapore) (DFI) Director name: Mr Michael KokAmount sold: 23,400 @ $9.51 Value: $222,588Wetherspoon (J.D.) (JDW) Director name: Mr John HutsonAmount sold: 16,167 @ 797.11p Value: £128,869Alkane Energy (ALK) Director name: Mr Neil Christopher O'BrienAmount sold: 297,785 @ 35.76p Value: £106,488Wetherspoon (J.D.) (JDW) Director name: Mr John HutsonAmount sold: 11,916 @ 791.50p Value: £94,315Alkane Energy (ALK) Director name: Mr Stephen GoalbyAmount sold: 223,731 @ 35.76p Value: £80,006Wetherspoon (J.D.) (JDW) Director name: Ms Su CacioppoAmount sold: 8,400 @ 797.11p Value: £66,957Wetherspoon (J.D.) (JDW) Director name: Ms Su CacioppoAmount sold: 6,192 @ 791.50p Value: £49,010Microsaic Systems (MSYS) Director name: Professor Andrew HolmesAmount sold: 100,000 @ 42.00p Value: £42,000