I’m patient. The situation with COVID19 is affecting many things. There are many possibilities but I doubt anything materially negative is hidden at this stage. The wrinkles are generally known.
A filer does not always have complete information. That's normal.
nwbo could easily have footnoted that there was a tax dispute with German authorities. That's not filing anything incorrect. It's no different from their past statements about lawsuits they were defending.
It's certainly not an excuse for being over 5 weeks late.
And it is highly unusual for a CFO to be reassigned between an NT 10-Q filing and the actual 10-Q.