Do it, although i've reported before and it was explained to me that very little comes of it as generally they are trading the bot small parcels at a loss pushing the VWAP down and loading the buy and sell side to basically lock it in place. However because its at a loss (in the short term) its hard to justify penalties...they only chase the big insider trading runs, ASIC is pretty much useless and care soooo little about this end of the market.
