A vice president of U Dig It Corporation (a mining company) was touring a mining site when the company hit an extremely rich vein of ore. The vice president immediately called all of his relatives telling them to buy U Dig It common stock before the news becomes public, knowing that the news of the new vein should result in a huge jump in the value of the stock. This is an example of

greenmail

a golden parachute

insider trading

a poison pill