Far too many are willing to take $10 for their shares. If you really want a lot of shares, gradually raising the offer will get them for you (antilizzie)
I know in my own case that as the share prices fell, I was looking for cash to add to my position. I would think that others were doing the same. So then if dropping the price does not get your shares, then use the opposite strategy and raise the shareprice.
I think that Zen will issue a NR, if only for the fact that they said they would provide an update. What it will say or not is something that we just have to wait for.