Serious question, could this be money laundering, bribery or something else shady? The fact that the owner made $2.5 Million on a stock sale for a seemingly worthless business seems like it could have some less than legal explanations.
1. Make a really bad investment in an overvalued small company.
2. Company passes some portion of the money back to you in a way that the government doesn't know about.
3. Company goes bankrupt.
4. The party knocks on your door and asks you where all your money went and you point to a failed foreign investment.