Im all my experience managing public companies, to be able to delay anything for te reason of imminent news was the best SP leverage, I ever had. Didn't happen often, but when it did, it was a "feeding frenzy" for shares!!!
For those who are worried about the ramifications to NWBO over the fact that no ASM has been held, my law school buddy (former SEC lawyer) told me that it is not hard to get an extension. The requirements with the SEC are not that hard to satisfy. He would not speculate about the reason NWBO would have used, just that it is not uncommon that situations where imminent information is expected is a valid reason for the extension.
Or how bout that they are OTCQB and aren't required to have an ASM at all...
So, no legal ramifications.
But it doesn't say much about the company you are investing in if the management team refuses to hold an ASM in order to dodge answering shareholder questions.