$CHDX CHINDEX SEC Charges Two with Insider Trading Prior to Announcements of Acquisitions https://www.sec.gov/litigation/litreleases/2015/lr23403.htm At the request of the SEC, U.S. District Judge Thomas Griesa issued an order freezing $1.23 million in accounts belonging to Zhou. The case is Securities and Exchange Commission v. Zhou, U.S. District Court, Southern District of New York, No. 15-8796.