They did not return any shares because they are nice guys. Don't kid yourself, it's all about MONEY. THEY ARE IN THIS FOR THE VERY SAME REASON YOU ARE. MONEY.
They will/are going to dump on you when the time is right. They don't know who you are and they don't care. These kind of folkes will gut you and have you for lunch.
We have a saying down here in da swamps (DON'T LET DA GATOR GETCHA) KEEP DAT IN MIND