A senior director at Whitbread bought shares on the same day the Costa Coffee and Premier Inn owner delivered strong full-year results.Ian Cheshire, who is also the chief executive of Kingfisher and the chairman at the British Retail Consortium, purchased 1,863 new shares for 5,325p each, spending £99,205 in the transaction.Cheshire holds now 2,176 shares in the hotel, coffee shop and restaurant company.Whitbread reported on Tuesday an increase of 13.7% in revenues to £2.61bn and underlying profits before tax up 18.5% to £488.1m.However, it also announced its chief executive Andy Harrison will retire by the end of the financial year.Top Director BuysIFG Group (IFP) Director name: Mr Paul McNamaraAmount purchased: 100,000 @ 138.84p Value: £138,840Whitbread (WTB) Director name: Mr Ian CheshireAmount purchased: 1,863 @ 5,325.00p Value: £99,205IS Solutions (ISL) Director name: Mr Peter Simmonds Amount purchased: 91,500 @ 54.50p Value: £49,868DotDigital Group (DOTD) Director name: Ms Simone Jennifer Mary BarrattAmount purchased: 63,700 @ 29.95p Value: £19,078Top Director SellsBerkeley Group Holdings (The) (BKG) Director name: Mr Anthony W PidgleyAmount sold: 750,000 @ 2,500.00p Value: £18,750,000Berkeley Group Holdings (The) (BKG) Director name: Mr Robert C G PerrinsAmount sold: 250,000 @ 2,500.00p Value: £6,250,000Essentra (ESNT) Director name: Mr Matthew GregoryAmount sold: 31,643 @ 980.00p Value: £310,101Essentra (ESNT) Director name: Mr Jon GreenAmount sold: 28,643 @ 980.00p Value: £280,701Private Equity Investor (PEQ) Director name: Mr Charles Julian CazaletAmount sold: 18,252 @ 234.26p Value: £42,757IS Solutions (ISL) Director name: Mr Barrie A ClarkAmount sold: 76,500 @ 54.50p Value: £41,692Dairy Farm International Holdings Ltd. (Singapore) (DFI) Director name: Mr Michael KokAmount sold: 1,600 @ $9.44 Value: $15,098