Jefferies Financial Group Inc美股招股说明书(2026-03-03版)

PRELIMINARY PRICING SUPPLEMENT(to Prospectus Supplement dated May 12, 2023 and Prospectus datedMay 12, 2023) $Jefferies Jefferies Financial Group Inc. Senior Fixed Rate 5 Year Callable Notes due March 17, 2031We have the right to redeem the Notes, in whole or in part, on each Optional Redemption Date. Subject to our redemption right, the amount of interest payable on the Notes will be 5.00%from and including the Original Issue Date to, but excluding, the stated maturity date (March 17, 2031). All payments on the Notes, including the repayment of principal, are subject to thecredit risk of Jefferies Financial Group Inc. SUMMARY OF TERMS Issuer:Title of the Notes:Aggregate Principal Amount:Issue Price:Pricing Date:Original Issue Date:Maturity Date:Interest Accrual Date:Interest Rate:Interest Payment Period: Jefferies Financial Group Inc.Senior Fixed Rate 5 Year Callable Notes due March 17, 2031$. We may increase the Aggregate Principal Amount prior to the Original Issue Date but are not required to do so.$1,000 per Note (100%)March, 2026March 17, 2026 (Business Days after the Pricing Date)March 17, 2031, subject to our redemption right.March 17, 20265.00%, from and including the Original Issue Date to, but excluding, March 17, 2031.Semi-annual (from and including the 17th calendar day of each March and September to, but excluding, the 17th calendar day of the monthoccurring six months following such month, beginning March 17, 2026)The 17th calendar day of each March and September, beginning September 17, 2026.30/360 (ISDA). Please see “The Notes” below.We will have the right to redeem the Notes, in whole or in part on each Optional Redemption Date and pay to you 100% of the statedprincipal amount per Note plus accrued and unpaid interest to, but excluding, such Optional Redemption Date. If we elect to redeem theNotes, we will give you notice at least 5 Business Days before the date of such redemption.The 17th calendar day of each March and September, beginning March 17, 2027 and ending September 17, 2030.U.S. dollars47233WMB2 / US47233WMB27Book-entryNew York. If any Interest Payment Date, any Optional Redemption Date or the Maturity Date occurs on a day that is not a Business Day, anypayment owed on such date will be postponed as described in “The Notes” below.Jefferies LLC, a wholly-owned subsidiary of Jefferies Financial Group Inc. See “Supplemental Plan of Distribution.”The Bank of New York MellonGeneral corporate purposesNoneJefferies LLC, the broker-dealer subsidiary of Jefferies Financial Group Inc., is a member of FINRA and will participate in the distribution ofthe notes being offered hereby. Accordingly, the offering is subject to the provisions of FINRA Rule 5121 relating to conflicts of interest andwill be conducted in accordance with the requirements of Rule 5121. See “Conflict of Interest.” Optional Redemption Dates:Specified Currency:CUSIP/ISIN:Book-entry or Certificated Note:Business Day: Agent:Trustee:Use of Proceeds:Listing:Conflict of Interest: The Notes will be our senior unsecured obligations and will rank equally with our other senior unsecured indebtedness. Investing in the Notes involves risks that are described in the“Risk Factors”section beginning on page PS-2 of this pricing supplement. (1) The Agent may purchase the Notes for sale to certain fee-based advisory accounts and may forgo some or all of their underwriting discounts and commissions. The price for investorspurchasing the Notes in these accounts will be reduced by an amount that will be up to such forgone underwriting discounts and commissions. Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this pricingsupplement or the accompanying prospectus or either prospectus supplement is truthful or complete. Any representation to the contrary is a criminal offense.We will deliver the Notes in book-entry form only through The Depository Trust Company on or about March 17, 2026 against payment in immediately available funds. JefferiesPricing supplement dated, 2026.You should read this document together with the related prospectus and prospectus supplement,each of which can be accessed via the hyperlinks below, before you decide to invest.Prospectus supplement dated May 12, 2023 and Prospectus dated May 12, 2023 PRICING SUPPLEMENT SPECIAL NOTE ON FORWARD-LOOKING STATEMENTSTHE NOTESRISK FACTORSMATERIAL UNITED STATES FEDERAL INCOME TAX CONSEQUENCESSUPPLEMENTAL PLAN OF DISTRIBUTIONCONFLICT OF INTERESTLEGAL MATTERSEXPERTS You should rely only on the information contained in or incorporated by reference in this pricing supplement and theaccompanying prospectus and prospectus supplements. We have not authorized anyone to provide you with differentinformation. We are not making an offer of these securities in any state where the offer is not permitted. You should notassume that the information contained in this pricing suppleme