Jefferies Financial Group Inc美股招股说明书(2026-07-14版)

Prospectus Supplement dated May 11, 2026and Prospectus dated May 11, 2026) $6,035,000Jefferies Jefferies Financial Group Inc.Senior Autocallable Contingent Coupon Barrier Notes due July 15, 2032 All payments are subject to our credit risk. If we default on our obligations, you could lose some or a significant portion of your investment. These Notes are not securedobligations and you will not have any security interest in, or otherwise have any access to, any Underlying or the securities represented by any Underlying. Monthly, beginning on August 10, 2026, as set forth on page PS-2. The Coupon Observation Dates are subject to postponement as described in the accompanying CouponPayment Dates:As set forth on page PS-2. The Coupon Payment Dates may be postponed if the related Coupon Observation Date is postponed as described in the accompanyingproduct supplement. Call ObservationDates:Monthly, beginning on January 11, 2027, as set forth on page PS-2. The Call Observation Dates are subject to postponement as described in the accompanying productsupplement.Call PaymentAs set forth on page PS-2. The Call Payment Dates may be postponed if the related Call Observation Date is postponed as described in the accompanying product The worst-performing of the Nasdaq-100 Index®(the “NDX”), the Russell 2000®Index (the “RTY”) and the S&P 500®Index (the “SPX”). Please see “The Underlyings” The Underlying with the lowest Observation Value or Final Value, as applicable, as compared to its Initial Value. Contingent Coupon Payments. The Notes will pay a Contingent Coupon Payment of $8.33 on the applicable Coupon Payment Date if the Observation Value of the Worst-Performing Underlying on the applicable monthly Coupon Observation Date is greater than or equal to its Coupon Barrier.Autocallable Notes. The Notes will be automatically called if the Observation Value of the Worst-Performing Underlying on any Call Observation Date (beginning approximately six months after the Pricing Date) is equal to or greater than its Call Value. If your Notes are called, you will receive the Call Payment on the applicable CallPayment Date, and no further amounts will be payable on the Notes.The Stated Principal Amount plus any Contingent Coupon Payment that may otherwise be due on the applicable Call Payment Date. If the Final Value of the Worst-Performing Underlying is greater than or equal to its Threshold Value, you will receive for each Note that you hold a Payment at If the Final Value of the Worst-Performing Underlying is less than its Threshold Value, you will receive for each Note that you hold a Payment at Maturity that is lessthan the Stated Principal Amount of each Note that will equal: In this scenario the Payment at Maturity will be less than the Stated Principal Amount and you could lose some or all of your investment. The Payment at Maturity will also include the final Contingent Coupon Payment if the Observation Value of the Worst-Performing Underlying on the final CouponObservation Date is greater than or equal to its Coupon Barrier.29,825.11 with respect to the NDX; 2,977.805 with respect to the RTY; and 7,575.39 with respect to the SPX With respect to each Underlying, the Index Closing Value of the Underlying on the applicable Coupon Observation Date or Call Observation Date. With respect to each Underlying, the Index Closing Value of the Underlying on the Valuation Date.Coupon Barrier:20,877.58 with respect to the NDX (70% of its Initial Value, rounded to two decimal places); 2,084.464 with respect to the RTY (70% of its Initial Value, rounded to three 20,877.58 with respect to the NDX (70% of its Initial Value, rounded to two decimal places); 2,084.464 with respect to the RTY (70% of its Initial Value, rounded to threedecimal places); and 5,302.77 with respect to the SPX (70% of its Initial Value, rounded to two decimal places)U.S. dollars Jefferies LLC, a wholly-owned subsidiary of Jefferies Financial Group Inc. See “Supplemental Plan of Distribution.” The Bank of New York Mellon$964.30 per Note. Please see “The Notes” below. Estimated valueon the Pricing Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this pricing supplement or theaccompanying product supplement, prospectus or prospectus supplement is truthful or complete. Any representation to the contrary is a criminal offense.As used in this pricing supplement, “we,” “us” and “our” refer to Jefferies Financial Group Inc., unless the context requires otherwise.We will deliver the Notes in book-entry form only through The Depository Trust Company on or about July 15, 2026 against payment in immediately available funds.Jefferies Pricing supplement dated July 10, 2026. You should read this pricing supplement together with the related product supplement, prospectus and prospectus supplement, each of which can be accessed via the hyperlinks below,before you d