Jefferies Financial Group Inc美股招股说明书(2026-04-30版)

Prospectus Supplement dated May 12, 2023and Prospectus dated May 12, 2023) $10,791,000Jefferies Jefferies Financial Group Inc.Senior Autocallable Contingent Coupon Barrier Notes due April 30, 2032 Monthly, beginning on May 28, 2026, as set forth on page PS-2. The Coupon Observation Dates are subject to postponement as described in theaccompanying product supplement.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 Coupon Payment Dates: the accompanying product supplement.Monthly, beginning on October 28, 2026, as set forth on page PS-2. The Call Observation Dates are subject to postponement as described in the Call Observation Dates: accompanying product supplement.As 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 supplement.April 28, 2032, subject to postponement as described in the accompanying product supplement. Call Payment Dates: Valuation Date:Maturity Date:Underlying: April 30, 2032, which may be postponed if the Valuation Date is postponed as described in the accompanying product supplement.The worst-performing of the Nasdaq-100 Index®(the “NDX”), the Russell 2000®Index (the “RTY”) and the EURO STOXX 50®Index (the “SX5E”). Please see “The Underlyings” below.The Underlying with the lowest Observation Value or Final Value, as applicable, as compared to its Initial Value. Worst-Performing Underlying:Coupon Feature: Contingent Coupon Payments. The Notes will pay a Contingent Coupon Payment of $9.58 on the applicable Coupon Payment Date if theObservation Value of the Worst-Performing Underlying on the applicable monthly Coupon Observation Date is greater than or equal to its CouponBarrier.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 receivethe Call Payment on the applicable Call Payment 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. Call Feature: Call Payment:Payment at Maturity: 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 youhold a Payment at Maturity that is equal to the Stated Principal AmountIf 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 less than 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 thefinal Coupon Observation Date is greater than or equal to its Coupon Barrier.27,029.01 with respect to the NDX; 2,756.051 with respect to the RTY; and 5,836.10 with respect to the SX5E Initial Value:Observation Value:Final Value:Coupon Barrier: 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.18,920.31 with respect to the NDX (70% of its Initial Value, rounded to two decimal places); 1,929.236 with respect to the RTY (70% of its Initial Value, rounded to three decimal places); and 4,085.27 with respect to the SX5E (70% of its Initial Value, rounded to two decimal places)27,029.01 with respect to the NDX (100% of its Initial Value); 2,756.051 with respect to the RTY (100% of its Initial Value); and 5,836.10 withrespect to the SX5E (100% of its Initial Value)16,217.41 with respect to the NDX (60% of its Initial Value, rounded to two decimal places); 1,653.631 with respect to the RTY (60% of its Initial Call Value: Value, rounded to three decimal places); and 3,501.66 with respect to the SX5E (60% of its Initial Value, rounded to two decimal places)U.S. dollars47233Y2C8 / US47233Y2C80 Specified Currency:CUSIP/ISIN:Book-entry or Certificated Note:Business Day:Agent:Calculation Agent:Trustee:Estimated value on the Pricing Date:$957.00 per Note. Please see “The Notes” below.Use of Proceeds:Listing:Conflict of Interest: Jefferies LLC, the broker-dealer subsidiary of Jefferies Financial Group Inc., is a member of FINRA and will participate in the distribution of thenotes being offered hereby. Accordingly, the offering is subject to the provisions of FINRA Rule 5121 relating to conflicts of interest and will beconducted in accordance with the require