non exec director buying to stock

g d o'brien(non exec director) has wasted no time since his appoinment early sept 03 to pick up stock in coates hire group

100,000 in sept 03(50,000*2) and another 50,000 today
for good measure

lets see 150t by $2.75 =approx$412,000? in just 3mths

wow!! what will he do when he becomes a fully fledged company director of COA?