Sir Michael Lyons, who sits on the board of road and infrastructure support group Mouchel, has bought more than 6,000 shares in the company.On a generally quiet day on the director deals front, Sir Michael, who is also chairman of the BBC Trust, paid about £1.65 for each share and now has 15,760.Top Director SellsMondi (MNDI) Director name: Mr Peter OswaldAmount sold: 167,405 @ 201.70p Value: £337,656Mondi (MNDI) Director name: Mr Andrew KingAmount sold: 13,056 @ 201.70p Value: £26,334Mondi (MNDI) Director name: Ms Carol HuntAmount sold: 11,511 @ 201.70p Value: £23,218