Dynegy Inc. and its subsidiaries produce and sell electric energy, capacity, and ancillary services in the United States. It operates in two segments, Coal and Gas. Exclusive Offer: Get the latest Stock Analysis on DYN - FREE STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12 months. Learn more. Interactive Brokers Group ( IBKR ) - FREE Research Report Galik Milan who is SVP Software Development at Interactive Brokers Group sold 1,800 shares at $21.78 on April 8, 2014. Following this transaction, the SVP Software Development owned 786,017 shares meaning that the stake was reduced by 0.23% with the 1,800-share transaction. The shares most recently traded at $22.17, up $0.39, or 1.76% since the insider transaction. Historical insider transactions for Interactive Brokers Group go as follows: The average volume for Interactive Brokers Group has been 520,900 shares per day over the past 30 days.