Shares in university intellectual property commercialisation group Frontier IP flew higher on Wednesday after new directors dipped in to buy shares.New James Fish, Finance Director, bought £28,000 worth of shares at 28p per share, while Non-Executive Director Michael Bourne pocketed £49,000 of shares. The company on Monday published evidence of a swing into breakeven in the first half of the year to December 31st reflecting investment revaluations.The share price of the company, which had risen 2.5p to 29.25p on release of results on Monday, rose a further 7p or 24.6% to 35.5p on Wednesday. Elsewhere, the Chief Executive and one Non-Executive Director of Redcentric group netted sizeable windfalls from selling shares in the company the day after issuing a robust trading statement. MXC Capital, a consultancy company owned by Chief Executive Tony Weaver and Non-Executive Director Ian Smith sold 3.9m shares at a price of 110p, netting £4.29m, while Smith trousered a further £0.66m from selling shares held by his pension fund at the same price. The company said that it was the first time MXC Capital has sold shares since supporting the turnaround of Redstone in August 2010, before the Managed Services businesses were demerged and floated on AIM as Redcentric. MXC Capital still owns 5.9m shares and has assured it will not sell any more shares for a period of 12 months. Weaver and Smith said MXC's sales was to reduce its portfolio concentration and provide its fund with the liquidity it requires to support other portfolio investments.Top Director BuysNew Century AIM VCT (NCA) Director name: Mr Michael David BarnardAmount purchased: 265,041 @ 75.46p Value: £200,000Zincox Resources (ZOX) Director name: Mr Andrew WoollettAmount purchased: 1,212,000 @ 10.00p Value: £121,200GlaxoSmithKline (GSK) Director name: Sir Christopher GentAmount purchased: 3,887 @ 1,608.00p Value: £62,503GlaxoSmithKline (GSK) Director name: Sir Deryck MaughanAmount purchased: 2,184 @ 1,613.07p Value: £35,229Frontier IP Group (FIPP) Director name: Mr Michael BourneAmount purchased: 175,000 @ 28.00p Value: £49,000GlaxoSmithKline (GSK) Director name: Dr Dr Dan PodolskyAmount purchased: 1,638 @ 1,613.07p Value: £26,422GlaxoSmithKline (GSK) Director name: Ms Lynn ElsenhansAmount purchased: 1,559 @ 1,613.07p Value: £25,148Zincox Resources (ZOX) Director name: Mr Rod BeddowsAmount purchased: 300,000 @ 10.00p Value: £30,000Frontier IP Group (FIPP) Director name: Mr James FisherAmount purchased: 100,000 @ 28.00p Value: £28,000Premier Foods (PFD) Director name: Mr Gavin DarbyAmount purchased: 38,014 @ 66.75p Value: £25,374Top Director SellsRedcentric (RCN) Director name: Mr Tony WeaverAmount sold: 3,900,000 @ 110.00p Value: £4,290,000Netcall (NET) Director name: Mr Henrik BangAmount sold: 4,216,111 @ 54.00p Value: £2,276,700Netcall (NET) Director name: Mr James OrmondroydAmount sold: 2,575,000 @ 54.00p Value: £1,390,500Brit (BRIT) Director name: Mr Mark CloutierAmount sold: 401,592 @ 240.00p Value: £963,821Redcentric (RCN) Director name: Mr Ian SmithAmount sold: 600,000 @ 110.00p Value: £660,000Netcall (NET) Director name: Mr Michael JacksonAmount sold: 530,000 @ 54.00p Value: £286,200Pearson (PSON) Director name: Mr John FallonAmount sold: 17,363 @ 1,038.00p Value: £180,228Pearson (PSON) Director name: Mr Robin FreestoneAmount sold: 14,882 @ 1,038.00p Value: £154,475Netcall (NET) Director name: Mr Michael (Mike) Patrick Neville Amount sold: 265,000 @ 54.00p Value: £143,100Wetherspoon (J.D.) (JDW) Director name: Mr John HutsonAmount sold: 11,764 @ 849.00p Value: £99,876OH