Bragar Eagel & Squire, P.C. is investigating potential claims on behalf of Cardiovascular Systems, Inc. (NASDAQ:CSII) investors concerning whether the company's board of directors violated their fiduciary duties. On May 8, 2014, the company received a letter from the U.S. Attorney's Office for the Western District of North Carolina stating that Cardiovascular Systems is being investigated for possible violations of the False Claims Act. On July 8, 2015, Cardiovascular Systems further revealed that a whistleblower lawsuit filed in 2013 had been unsealed alleging that Cardiovascular Systems engaged in a fraudulent marketing scheme to maximize profits through illegal kickbacks. If you purchased Cardiovascular Systems securities, have information or would like to learn more about these claims, or have any questions concerning this announcement or your rights or interests with respect to these matters please contact J. Brandon Walker, Esq. by email at email@example.com, or telephone at (212) 355-4648, or by filling out this contact form. There is no cost or obligation to you. Bragar Eagel & Squire, P.C. is a New York-based law firm concentrating in commercial and securities litigation. For additional information, please go to www.bespc.com.