I have to say I am uneasy about the management of the buyback -...

I have to say I am uneasy about the management of the buyback - and who is doing the selling. It looks increasingly like it has been too aggressive.
As for the ASX ticket - note that ERA has just risen about 25% since the 12th - on big vol - total silence there.
As for the issue of the ASX "heard a rumour themselves" - surely they would do more than they have done. I would have thought that if the ASX heard a rumour then half the population of planet earth would be well informed.