The moment their privacy has the potential to rig the market , then , I guess that if they want to have their privacy back , they should not hold any ETH at all . Read up on Insider Ownership Insiders are a company ' s officers , directors , relatives or anyone else with access to key company information before it ' s made available to the public . Savvy investors , making the reasonable assumption that insiders know a lot more about their company ' s prospects than the rest of us , pay close attention to what insiders do with company shares . And , because insider ownership and trading can impact share prices , the Securities and Exchange Commission SEC requires companies to file reports on these matters , giving investors the opportunity to have some insight into insider activity . Read more Keeping An Eye On The Activities Of Insiders And Institutions Investopedia