Altitude said a company and its subsidiary in which non executive chairman Colin Cooke has a 40% stake has spent £11,250 on shares in the promotional products business.It bought 150,000 ordinary shares for 7.5p each. Following this transaction, the company has a total holding of 517,000 shares, representing 1.35% of the total issued share capital of Altitude.Cooke now has a total holding of 613,000 shares representing approximately 1.60% of the issued share capital.Top Director BuysAltitude Group (ALT) Director name: Mr Colin Ivor CookeAmount purchased: 150,000 @ 7.50p Value: £11,250Top Director SellsDerwent London (DLN) Director name: Mr John David BurnsAmount sold: 24,000 @ 1,228.00p Value: £294,720Misys (MSY) Director name: Mr Mike LawrieAmount sold: 147,203 @ 197.00p Value: £289,990Misys (MSY) Director name: Mr James GellyAmount sold: 83,920 @ 197.00p Value: £165,322Derwent London (DLN) Director name: Mr Simon P SilverAmount sold: 7,888 @ 1,228.00p Value: £96,865Euromoney Institutional Investor (ERM) Director name: Mr Simon BradyAmount sold: 13,093 @ 379.00p Value: £49,622