| New York | 001-05721 | 13-2615557 |
| (State or other jurisdiction of incorporation) | (Commission File Number) | (IRS Employer Identification No.) |
| 520 Madison Ave., New York, New York | 10022 | |
| (Address of principal executive offices) | (Zip Code) |
| ☐ | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) |
| ☐ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) |
| ☐ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |
| ☐ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: |
| Title of each class | Trading Symbol(s) | Name of each exchange on which registered | ||
| Common Shares, par value $1 per share | JEF | New York Stock Exchange | ||
| 4.850% Senior Notes Due 2027 | JEF 27A | New York Stock Exchange | ||
| 5.875% Senior Notes Due 2028 | JEF 28 | New York Stock Exchange | ||
| 2.750% Senior Notes Due 2032 | JEF 32A | New York Stock Exchange | ||
| 6.200% Senior Notes Due 2034 | JEF 34 | New York Stock Exchange | ||
| 5.500% Senior Notes Due 2036 | JEF36 | New York Stock Exchange |
| Item 8.01. | Other Events. |
| Item 9.01. | Financial Statements and Exhibits |
| Number | Exhibit |
| Purchase Agreement, dated as of April 23, 2026, among Jefferies Financial Group Inc., Jefferies LLC and SMBC Nikko Securities America, Inc., as representatives of the several underwriters identified in Schedule A thereto, relating to the Notes* | |
| Indenture, dated as of October 18, 2013, between Jefferies Financial Group Inc. (f/k/a Leucadia National Corporation), and The Bank of New York Mellon, as Trustee, incorporated herein by reference to Exhibit 4.1 of the Form 8-K of Jefferies Financial Group Inc. filed on October 18, 2013 | |
| Supplemental Indenture No. 6 establishing the terms of the Notes, dated as of April 28, 2026, between Jefferies Financial Group Inc. and The Bank of New York Mellon, as Trustee.* | |
| Form of Global Note* | |
| Opinion of Sidley Austin LLP* | |
| Consent of Sidley Austin LLP (included in Exhibit 5.1)* | |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) |
| Jefferies Financial Group Inc. | ||
| By: | /s/ Michael J. Sharp | |
| Name: | Michael J. Sharp | |
| Title: | Executive Vice President and General Counsel | |
| Date: April 28, 2026 | ||