If a user attempts to sell more than 1% of a stock's average 4-week daily volume or total shares outstanding with Interactive Brokers, their account will be blocked from selling until they clear compliance by affirming they are not an affiliate.
"if you buy 5,000 shares and then you sell 5,000 shares what's going to happen your account's blocked you can't sell You cannot sell until you first go through their compliance team and tell them I am not an affiliate of the company"