Travere Therapeutics(TVTX) - 2018 Q4 - Annual Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2018 ¨ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 UNITED STATES Commission File Number: 001-36257 RETROPHIN, INC. (Exact Name of Registrant as specified in its Charter) Delaware 27-4842691 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Ide ...