But it's not a private discussion - you forfeit the right to...

But it's not a private discussion - you forfeit the right to such private discussions when you use the ASX as a means of raising capital to expand your business, as MGC did. There still lies an opportunity for information to be exploited to buy in, or sell out of the unit trust at the opportune time based on the offers currently on the table. Especially since the unit trust is meant to reflect the economic performance of MG.