Greg Fitzgerald, the Chief Executive of Galliford Try, the FTSE 250 housebuilding and construction firm, has topped up his stake in the company. The director bought almost £50,000-worth of shares in the firm at the same time Crownway Builders, a company in which Fitzgerald owns 37.5%, sold off more than £2.57m worth. Fitzgerald bought 8,190 shares at 605.00p each, while Crownway Builders sold off 425,402 shares at the same price. Last week the firm announced that it has been awarded a pair of contracts by Yorkshire Water to upgrade the Blackburn Meadows waste water treatment plant in Sheffield.The larger of the contracts is worth £31m and will ensure that Blackburn Meadows meets the requirements of the EU's Freshwater Fish Directive. The programme will last around 18 months. The second scheme is worth £18m and will result in a new mesophilic anaerobic digestion plant; mesophilic anerobic digestion is the process where micro-organisims break down biodegradable material in a moderate temperature environment. The stock has gained almost 68% over the past year, equivalent to 249p. Top Director BuysTotal Produce (TOT) Director name: Mr Carl McCannAmount purchased: 367,909 @ 39.89p Value: £146,759Total Produce (TOT) Director name: Mr Rory ByrneAmount purchased: 366,210 @ 39.89p Value: £146,081Total Produce (TOT) Director name: Mr Frank DavisAmount purchased: 243,008 @ 39.89p Value: £96,936Total Produce (TOT) Director name: Mr John Frank GernonAmount purchased: 169,935 @ 39.89p Value: £67,787Access Intelligence (ACC) Director name: Mr Michael JacksonAmount purchased: 1,800,000 @ 3.00p Value: £54,000Access Intelligence (ACC) Director name: Mr Kole DhootAmount purchased: 1,800,000 @ 3.00p Value: £54,000Galliford Try (GFRD) Director name: Mr Greg FitzgeraldAmount purchased: 8,190 @ 605.00p Value: £49,550Access Intelligence (ACC) Director name: Mr Ray JacksonAmount purchased: 900,000 @ 3.00p Value: £27,000Finsbury Growth & Income Trust (FGT) Director name: Mr Neil CollinsAmount purchased: 5,000 @ 351.70p Value: £17,585Intertek Group (ITRK) Director name: Mr David E ReidAmount purchased: 707 @ 2,445.00p Value: £17,286Top Director SellsKingspan Group (KGP) Director name: Mr Eugene MurtaghAmount sold: 5,120,000 @ € 8.00 Value: € 40,960,000Mondi (MNDI) Director name: Mr David A HathornAmount sold: 637,295 @ 604.30p Value: £3,851,174Mondi (MNDI) Director name: Mr Peter OswaldAmount sold: 548,660 @ 604.30p Value: £3,315,552Galliford Try (GFRD) Director name: Mr Greg FitzgeraldAmount sold: 425,402 @ 605.00p Value: £2,573,682Mondi (MNDI) Director name: Mr Andrew KingAmount sold: 169,706 @ 604.30p Value: £1,025,533Mondi (MNDI) Director name: Ms Carol HuntAmount sold: 97,024 @ 604.30p Value: £586,316Inmarsat (ISAT) Director name: Mr Andrew SukawatyAmount sold: 46,333 @ 486.99p Value: £225,637Hunting (HTG) Director name: Mr Peter RoseAmount sold: 22,302 @ 925.50p Value: £206,405Inmarsat (ISAT) Director name: Mr Rick MedlockAmount sold: 34,441 @ 486.99p Value: £167,724Inmarsat (ISAT) Director name: Mr Rupert PearceAmount sold: 23,645 @ 486.99p Value: £115,149