GT Biopharma(GTBP) - 2018 Q4 - Annual Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 Commission File Number: 000-08092 GT BIOPHARMA, INC. (Exact name of Registrant as specified in its charter) (State of incorporation or organization) (I.R.S. Employer Identification No.) Delaware 94-1620407 310 N. Westlake Blvd. Suite 206 Westlake Village, CA 91362 (Address of principal executive offi ...