Risk disposal efforts are progressing smoothly and will soon enter a critical period, the company said in a statement on its social media account.
HNA Group was once one of China's most aggressive deal-makers, spending $50 billion in a global acquisition spree that saw it take stakes in big names such as Deutsche Bank AG and Hilton Worldwide Holdings Inc.
The regulator has accused the investment banks of colluding over a A$2.5 billion ($1.8 billion) 2015 share issue to withhold unsold shares and keep the stock price from falling.