I certainly do not disagree with you but can you tell me why you think Offor is in the process of looking for a buyin of his shares now. What would be the advantage? As soon as he sells the market will know the news and at what price. and should then equalize?
It seems a better ploy (if he wanted to get out of ERHC) would be to leak to the market what he knows then look for a buyin or buyout his optionality increases exponentially in this scenario