If you are an employee of another broker/dealer or self-regulatory organization your employer must grant permission for you to open the account. They may also require access to your account to track your trades.
If you are a key person of a publicly traded company (an officer, director or someone who owns 10% of outstanding company securities) you would be considered a 'corporate insider'.
As a 'corporate insider', you are privy to material information that may impact the price of your company's shares. Accordingly, your ability to trade such shares is subject to specific restrictions: