PayPal co-founder and Facebook director Peter Thiel has sold his majority of shares, according to an SEC filing in a pre-arranged deal which was set before Facebook’s IPO, when the stock was at $38 and not on $20. Thiel has sold 20.6 million Class A shares, which means that now he left with only 5.6 million shares, all of which as Class A. Thiel sold the shares at an...