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 November 30, 2019 or JEFFERIES FINANCIAL GROUP INC. (Exact Name of Registrant as Specified in its Charter) New York 13-2615557 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification Number) 520 Madison Avenue New York, New York 10022 (Address of principal executive offices) (Z ...