The wife of Renew Holdings' chief executive Brian May has spent £30,000 shares in the specialist engineering and building company.Margaret May took 50,000 shares at 60p a time, which means that Brian May now has a beneficial interest in 405,000 shares in the firm.May became chief executive of Renew in 2005. He is a chartered engineer with a strong background in the construction sector.Earlier this month, Renew reached an agreement to acquire rail and energy engineer Amco for £19.8m, from a new £15m debt facility and existing cash resources.Top Director BuysSt. Modwen Properties (SMP) Director name: Mr William (Bill) OliverAmount purchased: 21,000 @ 178.00p Value: £37,380Renew Holdings (RNWH) Director name: Mr Brian MayAmount purchased: 50,000 @ 60.00p Value: £30,000Treveria (TRV) Director name: Mr Eitan Milgram Amount purchased: 175,000 @ € 0.17 Value: € 28,945Framlington AIM VCT (FAME) Director name: Mr Chris KayAmount purchased: 30,000 @ 34.00p Value: £10,200Top Director SellsCanaccord Financial Inc. (CF.) Director name: Mr Mark G MaybankAmount sold: 70,000 @ 953.56p Value: £667,492Canaccord Financial Inc. (CF.) Director name: Mr Matthew Gaasenbeek Amount sold: 35,000 @ 948.59p Value: £332,006Canaccord Financial Inc. (CF.) Director name: Mr Timothy J D HoareAmount sold: 30,000 @ 953.56p Value: £286,068Murgitroyd Group (MUR) Director name: Dr Christopher GreigAmount sold: 10,000 @ 330.00p Value: £33,000