Reg FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549   FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934   Date of Report (Date of earliest event reported): October 16, 2025   JEFFERIES FINANCIAL GROUP INC. (Exact name of registrant as specified in its charter) New York 001-05721 13-2615557 (State of other jurisdiction of incorporation or organization) (Commission File Number) (IRS. Employer Identification No.) 520 Madison Ave. , New York , New York 10022 (Address of principal executive offices) (Zip Code)   Registrant’s telephone number, including area code: 212 - 284-2300   Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions ( see General Instruction A.2, below):   ☐ 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 Exchange Act:   Title of each class Trading  Symbol(s) Name of each exchange on which registered Common Stock, par value $1.00 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 Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐   If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ Item 7.01 Regulation FD Disclosure On October 16, 2025, Jefferies Financial Group Inc. (“we” or “our”) held our 2025 Investor Meeting.  A copy of the transcript of the meeting is attached hereto as Exhibit 99.1 and is incorporated herein by reference. The transcript contains the financial measures of ROTE and other Non-GAAP measures. A reconciliation of these Non-GAAP financial measures to the most directly comparable GAAP measures is provided in the presentation materials referred to during the meeting, a copy of which has been furnished as Exhibit 99.1 to the Company’s Form 8-K previously filed with the Securities and Exchange Commission (the "SEC") on October 16, 2025. The information in Item 7.01 of this Current Report on Form 8-K and Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing or document. Forward Looking Statements. Certain statements contained within the transcript included in this Current Report on Form 8-K may constitute “forward-looking statements," within the meaning of Section 27A of the Securities Act of 1933, Section 21E of the Exchange Act and/or the Private Securities Litigation Reform Act of 1995, regarding us and our subsidiaries. These forward-looking statements reflect our current views relating to, among other things, future revenues, earnings, operations, and other financial results, and may include statements of future performance, plans, and objectives. Forward-looking statements may also include statements pertaining to our strategies for the future development of its business and products. These forward-looking statements are not historical facts and are based on management expectations, estimates, projections, beliefs and certain other assumptions, many of which, by their nature, are inherently uncertain and beyond management’s control. It is possible that the actual results may differ, possibly materially, from the anticipated results indicated in these forward-looking statements. Accordingly, readers are cautioned that any such forward-looking statements are not guarantees of future performance and are subject to certain risks, uncertainties and assumptions that are difficult to predict including, without limitation, the cautionary statements and risks set forth in our Annual and Quarterly Reports and other reports or documents filed with, or furnished to, the SEC from time to time, which are accessible on the SEC website at sec.gov. This information should also be read in conjunction with Jefferies Financial Group Inc. Consolidated Financial Statements and the Notes thereto contained in the Annual, Quarterly and Periodic Reports filed by the issuer that are also accessible on the SEC website at sec.gov. Readers are cautioned not to place undue reliance on forward-looking statements, which speak only as of the date they are made. We do not undertake to update any forward-looking statements to reflect the impact of circumstances or events that arise after the date of such forward-looking statements. Item 9.01 Financial Statements and Exhibits (d) Exhibit Number      Description       99.1   Transcript       104   Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Date: October 17, 2025 JEFFERIES FINANCIAL GROUP INC.   /s/ Michael J. Sharp Michael J. Sharp Executive Vice President and General Counsel