(ShareCast News) - Dunelm Group chairman Andy Harrison picked up almost £0.5m worth of shares in the company, which are trading only around 10% short of their all-time high. Harrison, the former Whitbread chief executive who joined the board two years ago, bought 54,700 shares at a price of 907p per share on Friday.The purchase, which almost doubled his stake to 108,133 ordinary shares, follows encouraging quarterly results from the homewares retailer last month.Not long after, deputy chairman Will Adderley, son of founder Bill, sold 4% of the company's shares.Adderley sold 8m shares to institutional investors in a placing managed by UBS and Stifel Nicolaus Europe.A statement from Dunelm said Adderley "remains fully committed to Dunelm in his role as deputy chairman as well as remaining a very substantial shareholder in the company", pointing to his and his wife's holding 27.4% and the wider family 51.2% of the group's shares.Top Director BuysDunelm Group (DNLM)Director name: Harrison ,Andy Amount purchased: 54,700 @ 907.00pValue: £496,128.98Avanti Communications Group (AVN)Director name: Walsh,Paul SAmount purchased: 25,000 @ 89.50pValue: £22,375.00Mercantile Investment Trust (the) (MRC)Director name: Tigue,JeremyAmount purchased: 917 @ 1,654.00pValue: £15,167.18Challenger Acquisitions Limited (CHAL)Director name: Gustafson,MarkAmount purchased: 25,000 @ 25.87pValue: £6,468.75Dunedin Enterprise Investment Trust (DNE)Director name: Finlayson,BrianAmount purchased: 2,000 @ 323.00pValue: £6,460.00Challenger Acquisitions Limited (CHAL)Director name: Gustafson,MarkAmount purchased: 23,000 @ 25.50pValue: £5,865.00Challenger Acquisitions Limited (CHAL)Director name: Gustafson,MarkAmount purchased: 20,000 @ 25.30pValue: £5,060.00Avanti Communications Group (AVN)Director name: Williams,David JAmount purchased: 5,434 @ 91.50pValue: £4,972.11Oxford Biomedica (OXB)Director name: Diggle ,Martin Amount purchased: 45,428 @ 5.48pValue: £2,489.45Oxford Biomedica (OXB)Director name: Diggle ,Martin Amount purchased: 42,072 @ 5.35pValue: £2,250.85Challenger Acquisitions Limited (CHAL)Director name: Gustafson,MarkAmount purchased: 7,000 @ 25.36pValue: £1,775.20Challenger Acquisitions Limited (CHAL)Director name: Gustafson,MarkAmount purchased: 5,000 @ 26.00pValue: £1,300.00Filtronic (FTC)Director name: Tyerman,MichaelAmount purchased: 9,340 @ 10.60pValue: £990.04Vodafone Group (VOD)Director name: Read,NickAmount purchased: 112 @ 222.29pValue: £248.96Savills (SVS)Director name: Shaw,Simon J BAmount purchased: 17 @ 758.50pValue: £128.95