directors re-positioning their portfolios

Directors in Metcash trading have been changing their interest in their own company and in most cases selling a bundle of their shares in Metcash. A Reitzer sold 1,200.000 shares of MTT 2 mths ago at $2.36 and now some other directors have followed suit with smaller bundles at around $2.18. If you check on announcements for MTT you will find several change of directors interest notice. "cashed up and geared for strong growth" ???