Chief executive of Bovis Homes, David Ritchie, has bumped up his stake in the house builder with the addition of 25,000 shares.Taking his interest in the company to just above 146,000 shares, Ritchie spent 773.50p a share on the £193,375 deal, which was made on behalf of one of his connected personsThe purchase was made on Friday, just a few days after the company announced that Jonathan Hill, its group finance director, had informed the board of his decision to resign.Hill, who is leaving to take up a position at Saga, has yet to agree a departure date, but Bovis said it had begun looking for his replacement.While the housebuilding sector has experienced something of a boom in recent times, it came under some pressure last week when sector peer Miller Homes pulled its flotation amid concerns about the property market's prospects."In light of the recent financial markets volatility, the shareholders of Miller Group have elected not to proceed at this time with a public offering of Miller Homes," a statement from the company read.Top Director BuysBovis Homes Group (BVS) Director name: Mr David James RitchieAmount purchased: 25,000 @ 773.50p Value: £193,375Aquarius Platinum Ld (AQP) Director name: Mr Jean NelAmount purchased: 313,290 @ 21.87p Value: £68,517Target Healthcare Reit Ltd (THRL) Director name: Mr Robert Malcolm NaishAmount purchased: 15,000 @ 101.00p Value: £15,150GameAccount Network (GAME) Director name: Mr Dermot SmurfitAmount purchased: 20,000 @ 69.75p Value: £13,950Aquarius Platinum Ld (AQP) Director name: Mr Nicholas T SibleyAmount purchased: 32,170 @ 24.04p Value: £7,734Plant Health Care (PHC) Director name: Mr James Ede-GolightlyAmount purchased: 15,000 @ 72.00p Value: £10,800Top Director SellsBest of the Best (BEST) Director name: Mr Rupert GartonAmount sold: 38,000 @ 70.00p Value: £26,600