Barclay Douglas, a director at the Hotel Corporation, an investment company set up to invest in four star hotels, has upped his stake in the company.He bought 50,000 shares at 60p a time, paying a total of £30,000.Following the purchase he has just over 220,000 shares, or 0.44% of the company.The company's sole investment to date is a 49.92% stake in Puma Hotels which owns the Barcelo chain, operating in provincial cities across the UK.Top Director BuysHotel Corp. (HCP) Director name: Mr Barclay DouglasAmount purchased: 50,000 @ 60.00p Value: £30,000Aqua Bounty Technologies Inc. (Reg S) (ABTX) Director name: Mr Richard John ClothierAmount purchased: 50,000 @ 20.00p Value: £10,000Top Director SellsNanoco Group (NANO) Director name: Mr Michael EdelmanAmount sold: 1,350,000 @ 105.50p Value: £1,424,250Nanoco Group (NANO) Director name: Mr Nigel PickettAmount sold: 1,350,000 @ 105.50p Value: £1,424,250Mandarin Orierntal International (Singapore) (MDO) Director name: Mr Terry L StinsonAmount sold: 330,000 @ $1.94 Value: $641,256