(Sharecast News) - Stobart Group revealed on Friday that chief executive Warwick Brady had acquired 50,000 ordinary shares in the FTSE 250-listed infrastructure and support business.Brady, who was appointed CEO in June 2017, purchased the shares on Thursday at an average price of 125.90p each, for a total value of £62,950.The Southend airport owner revealed on Wednesday that it had swung to a full-year loss, partly on the back of legal fees, but revenue rose thanks to an improvement in its two core operating businesses.In the year to 28 February, the company swung to a loss of £58.2m from a profit of £100m the year before, while revenue rose 39% to £146.9m.As of 1620 BST, Stobart shares had slipped 1.17% to 118p.Top Director BuysStobart Group Ltd. (STOB)Director name: Mr Warwick BradyAmount purchased: 50,000 @ 125.90pValue: £62,950 Marks & Spencer Group (MKS)Director name: Mr Humphrey SingerAmount purchased: 22,500 @ 220.20pValue: £49,545 AVI Global Trust (AGT)Director name: Mr Graham KitchenAmount purchased: 2,500 @ 740.67pValue: £18,517 AVI Global Trust (AGT)Director name: Mr Graham KitchenAmount purchased: 2,500 @ 740.67pValue: £18,517 Top Director SellsKeystone Law Group (KEYS)Director name: Mr Simon Robert PhilipsAmount sold: 1,000,000 @ 450.00pValue: £4,500,000