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 ACT OF 1934 For the fiscal year ended December 31, 2018 Commission file number 0-18082 GREAT SOUTHERN BANCORP, INC. (Exact name of registrant as specified in its charter) Maryland 43-1524856 (State or other jurisdiction of incorporation or organization) (IRS Employer Identification No.) 1451 E. Battlefield, Springfield, Missouri 65804 (Address of principal executi ...

Great Southern Bancorp, Inc. (NASDAQ:GSBC) Q4 2018 Earnings Conference Call January 23, 2019 3:00 PM ET Company Participants Kelly Polonus – Investor Relations Joe Turner – President and CEO Rex Copeland – Chief Financial Officer Conference Call Participants Andrew Liesch – Sandler O'Neill Michael Perito – KBW Operator Good day, ladies and gentlemen, and welcome to the Great Southern Bancorp, Inc. Fourth Quarter 2018 Earnings Conference Call. [Operator Instructions] As a reminder, this conference call may b ...