UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 __________ FORM 10-Q | | | For the quarterly period ended May 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 1-5721 JEFFERIES FINANCIAL GROUP INC. (Exact name of registrant as specified in its Charter) (State or other jurisdiction of incorporation or organization) 520 Madison Avenue New York, New York 10022 (Address of princi ...