A few sources on the net are saying the director bought shares, not sold them. Links below:
http://www.businessspectator.com.au/bs.nsf/Article/Hastie-director-buys-on-market-FX7EZ?OpenDocument&src=is
http://news.reportlinker.com/n09701577/Hastie-director-buys-on-market.html
Maybe there was an error in the announcement?