someone just traded over 10% of the company, page-29

I must be missing something because on April 1 the top 20 list had UBS as #1 and #6 with a collective 15.66% of the company. And from the latest announcement they have bought more from Graham & Linda Huddy since then. How can they now only have 6.8%!?!?

Top 20 List off industrea website:
1 UBS Wealth Management Australia Nominees Pty Ltd 48,240,880 13.23%
6 UBS Nominees Pty Ltd 8,857,940 2.43%

AND furthermore who owns the rest of what was sold by the Huddy's!!???!?!?!?