Dhani, an accountant for Eureka, Inc., learns of undisclosed company plans to market a new laptop. Dhani buys 1,000 shares of Eureka stock. He reveals the company plans to Fay, who buys 500 shares. Fay tells Geoff, who tells Hu. Both Geoff and Hu buy 100 shares. They know that Fay got her information from Dhani. When Eureka publicly announces its new laptop, Dhani, Fay, Geoff, and Hu sell their stock for a profit.
Under the Securities Exchange Act of 1934, Geoff is most likely __________.
