when is insider trading legal 
legal insider transactions happen in the stock market all the time the question of legality stems from the sec s attempt to maintain a fair marketplace it is legal for company insiders to trade company stock as long as they report these trades to the sec on time the bottom lineinsider trading is when non published information from a company is used to make a trading decision by someone with an invested interest in that company it is illegal to engage in insider trading but it is legal to trade your company shares as long as you follow the guidelines set by the sec 