The wife of Simon Agace, the Non-Executive Chairman of AIM-listed estate agent Winkworth, has sold off 40,000 shares in the company, the firm announced on Wednesday.The sale took place on Monday as shares in Winkworth, which first debuted on the stock market in November 2009, were trading at an all-time high following a +50% rise in 2013 so far.Irene Ho Kim Kee sold the portion of shares at a price of 127p each, making herself £50,800. Nevertheless, Agace, who joined Winkworth in 1974 as Managing Director, still has an interest in the firm of nearly 5.8m shares, equal to 45.7% of its issued share capital.Winkworth, which has a market capitalisation of around £16.5m, reported last month that sales rose 7.8% to £4.3m in 2012, as residential property transactions were helped by the government's 'Funding for Lending' scheme announced last year.Top Director BuysSphere Medical Holding (SPHR) Director name: Dr Anthony Francis MartinAmount purchased: 51,123 @ 40.00p Value: £20,449Sphere Medical Holding (SPHR) Director name: Dr Stuart HendryAmount purchased: 26,653 @ 40.00p Value: £10,661Mission Marketing Group (TMMG) Director name: Mr Chris GoodwinAmount purchased: 41,412 @ 25.50p Value: £10,560Top Director SellsM Winkworth (WINK) Director name: Mr Simon AgaceAmount sold: 40,000 @ 127.00p Value: £50,800BC