On the other hand, you can have too much insider ownership. When insiders gain corporate control, management may not feel responsible to shareholders. This occurs frequently at companies with multiple classes of stock, which means one class carries more voting power than another. For example, Google's much publicized IPO in the fall of 2004 was criticized for issuing a special class of "super voting shares" to certain company executives. Critics of the dual-class share structure contend that, should managers yield less than satisfactory results, they are less likely to be replaced because they possess 10 times the voting power of normal shareholders. (Read more in The Two Sides of Dual-Class Shares.)