Not my expertise, but as far as I understand, restricted shares cannot be purchased. They are issued directly by the company as insider compensation or debt repayment. They cannot be sold until after a set period of time, usually between 6 months - 2 years.
The fact that he accepted restricted shares as payment for "services" (whatever that means) eludes that he must have some vested interest and confidence in the company's future.
Preferred shares often carry more voting rights, but they usually have some rules/restrictions on how they can be sold (since usually insiders own them).
Also if the company undergoes a bankruptcy (not that it's going to happen here) they are right after creditors for recuperating anything.
Market Data 
Markets 
AI
