In the last ninety days, Thomas Peterffy has sold $13,422,800.00 of Interactive Brokers Group stock. Most recently, Thomas Peterffy sold 20,000 shares of the business's stock in a transaction on Friday, July 29th. The shares were sold at an average price of $58.70, for a transaction totalling $1,174,000.00. Following the completion of the sale, the chairman now directly owns 1,587,511 shares of the company's stock, valued at $93,186,895.70. Learn More on Thomas Peterffy's trading history.