According to US regulatory documents, China Airlines's share of Deutsche Bank (DBKGn.DE) decreased to 7.9%.
HNA has been selling overseas real estate assets and some of its largest financial and strategic investments over the past 50 billion years.
In February, the company lowered its stake in Deutsche Bank from about 10% to about 8.8%.
HNA's stake in Deutsche Bank is handled by Asset Management Co C-Quadrat.