Robert Toll, chairman and CEO of Toll Brothers, has earned about $50 million this year from sales of Toll Brothers stock, profiting from a recent rise in the company’s share price. Toll has sold 2.8 million shares in the company so far this year, according to securities filings. He sold about 791,000 of those shares last week, exercising stock options due to expire in December, a company spokesperson told the Wall Street Journal. Toll still directly or indirectly holds 15.9 million shares, or close to 10 percent, of Toll Brothers stock. Recently, the company’s stock has ranged from about $20 to $23, up from less than $16 in early July.