Jefferies Financial Group Inc美股招股说明书(2026-02-27版)

Prospectus Supplement dated May 12, 2023and Prospectus dated May 12, 2023) $10,330,000Jefferies Jefferies Financial Group Inc.Senior Autocallable Contingent Coupon Barrier Notes due February 27, 2032 Monthly, beginning on March 25, 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 the accompanying product supplement.Monthly, beginning on February 25, 2027, as set forth on page PS-2. The Call Observation Dates are subject to postponement as described in the Coupon Payment Dates: 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. Call Payment Dates: Contingent Coupon Payments. The Notes will pay a Contingent Coupon Payment of $8.33 on the applicable Coupon Payment Date if the ObservationValue 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 one year after the Pricing Date) is equal to or greater than its Call Value. If your Notes are called, you will receive the CallPayment 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 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 you hold 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 the finalCoupon Observation Date is greater than or equal to its Coupon Barrier.25,329.04 with respect to the NDX; 2,663.329 with respect to the RTY; and 6,173.32 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.18,996.78 with respect to the NDX (75% of its Initial Value, rounded to two decimal places); 1,997.497 with respect to the RTY (75% of its Initial Value, rounded to three decimal places); and 4,629.99 with respect to the SX5E (75% of its Initial Value, rounded to two decimal places)25,329.04 with respect to the NDX (100% of its Initial Value); 2,663.329 with respect to the RTY (100% of its Initial Value); and 6,173.32 with respect to theSX5E (100% of its Initial Value)18,996.78 with respect to the NDX (75% of its Initial Value, rounded to two decimal places); 1,997.497 with respect to the RTY (75% of its Initial Value, Call Value: Jefferies LLC, a wholly-owned subsidiary of Jefferies Financial Group Inc. See “Supplemental Plan of Distribution.”Jefferies Financial Services, Inc., a wholly owned subsidiary of Jefferies Financial Group Inc.The Bank of New York Mellon$946.70 per Note. Please see “The Notes” below. Jefferies LLC, the broker-dealer subsidiary of Jefferies Financial Group Inc., is a member of FINRA and will participate in the distribution of the notes beingoffered hereby. Accordingly, the offering is subject to the provisions of FINRA Rule 5121 relating to conflicts of interest and will be conducted in accordancewith the requirements of Rule 5121. See “Conflict of Interest.”The Notes will be our senior unsecured obligations and will rank equally with our other senior unsecured indebtedness. 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 Compan