Records filed with the US regulatory body the Security & Equities Commission (SEC) show that Bill Gates has sold nine million of his shares in Microsoft in the last few weeks. The biggest transaction was completed on Friday the 13th, when Gates disposed of five million shares. On Friday, Microsoft shares were trading at between the $104 and the $109 mark, netting Gates a sum around the $95 million dollar mark. A number of other senior Microsoft executives, including Bernard Vergnes and Paul Maritz also sold sales in a similar period. ®