No and Yes.
No, generally, I don't think it's good long term. It will deter future investors.
Yes, I think HBKS would only deregister if they thought they were selling the bank soon.
I don't think an acquiring bank would care, because they would do their own due diligence.
On the other hand, an outside investor can't get good info.
So when the newspaper asked about it, what did you expect the CEO to say:
"Oh, we're selling the bank anyway ... so an SEC registration doesn't really matter to us anymore."