Brentwood-based AAC Holdings Inc., the holding company for American Addiction Centers, is under investigation by the U.S. Securities and Exchange Commission, according to the company’s latest quarterly filing.
The ongoing investigation centers around AAC’s accounting for partial payments from insurance companies and has expanded since its inception earlier this year, according to the filing.
The investigation comes as AAC (NYSE: AAC) — Nashville’s 11th-largest publicly traded health care…
