(Sharecast News) - James Cropper chairman Mark Cropper purchased 29,440 ordinary shares in the AIM-listed firm on Thursday.Cropper, the great great great grandson of the company's founder who joined the board back in 2006, acquired the shares at an average price 1,070p, for a total value of £315,007.99.The group's chair now has a beneficial shareholding in Cropper of 1.78m ordinary shares, equivalent to 18.7% of its issued share capital.The advanced materials and paper products group warned investors back in January that further headwinds were set to come in the wake of rising pulp costs.As of 1640 GMT, Cropper shares had slipped 6.60% to 990p.Top Director BuysCropper (james) (CRPR)Director name: Cropper,Mark A JAmount purchased: 29,440 @ 1,070.00pValue: £315,007.99Sage Group (SGE)Director name: Howell,Jonathan Amount purchased: 44,000 @ 591.00pValue: £260,039.99Transgloble Energy Corporation Npv (di) (TGL)Director name: Cook,David Bruce Amount purchased: 17,500 @ $2.12Value: $29,915.12Rio Tinto (RIO)Director name: L'Estrange ,MichaelAmount purchased: 500 @ $73.46Value: $21,548.85Challenger Acquisitions Limited (CHAL)Director name: Gustafson,MarkAmount purchased: 3,000,000 @ 0.09pValue: £2,550.00Challenger Acquisitions Limited (CHAL)Director name: Gustafson,MarkAmount purchased: 3,000,000 @ 0.07pValue: £1,950.00Ultra Electronics Holdings (ULE)Director name: Sharma,AmiAmount purchased: 11 @ 1,451.00pValue: £159.61Ultra Electronics Holdings (ULE)Director name: Pryce,SimonAmount purchased: 10 @ 1,451.00pValue: £145.10Top Director SellsBunzl (BNZL)Director name: Larmon,PatrickAmount sold: 37,639 @ 2,371.00pValue: £892,420.66Bunzl (BNZL)Director name: Larmon,PatrickAmount sold: 33,300 @ 2,371.00pValue: £789,542.97