buy or dump ??

G'Day Folk's,
I was hoping one of you could shed some light on this for
me , it's all well after the end of the days trading
and i just noticed these trades on etrade , are they buyers or sellers and how can you do that ? Cheers WFL


05:53:48 PM 1.635 51,947
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04:40:17 PM 1.635 25,943
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04:28:46 PM 1.635 51,947
04:25:21 PM 1.635 25,974