Schall, Brown & Schwartz LLP (“SBS”), a national shareholder rights litigation firm, reminds investors of a class action lawsuit against Ardelyx, Inc. (“Ardelyx” or “the Company”) (NASDAQ: ARDX ) for violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission.