Prospectus Supplement dated May 12, 2023and Prospectus dated May 12, 2023) $772,000Jefferies Jefferies Financial Group Inc.Senior Autocallable Contingent Coupon Buffered Notes due January 2, 2031 Linked to the Worst-Performing of the VanEck®Gold Miners ETF and the S&P 500®Index The Senior Autocallable Contingent Coupon Buffered Notes due January 2, 2031 Linked to the Worst-Performing of the VanEck®Gold Miners ETF and the S&P 500®Index (the “Notes”)are senior unsecured obligations of Jefferies Financial Group Inc. The Notes have the terms described in the accompanying product supplement, prospectus supplement and prospectus,as supplemented or modified by this pricing supplement. The Notes are issued as part of our Series A Global Medium-Term Notes program. Quarterly, beginning on March 30, 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 Coupon Payment Dates: accompanying product supplement.Quarterly, beginning on December 29, 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 theaccompanying product supplement. Call Payment Dates: December 30, 2030, subject to postponement as described in the accompanying product supplement.January 2, 2031, which may be postponed if the Valuation Date is postponed as described in the accompanying product supplement.The worst-performing of the VanEck®Gold Miners ETF (the “GDX”) and the S&P 500®Index (the “SPX”). Please see “The Underlyings” below. Contingent Coupon Payments. The Notes will pay a Contingent Coupon Payment of $25.63 on the applicable Coupon Payment Date if the ObservationValue of the Worst-Performing Underlying on the applicable quarterly 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 Call Call Feature: Call Payment:Payment at Maturity: 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 Maturity that is equal to the Stated Principal Amount 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 atMaturity 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 a significant portion 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. Initial Value:Observation Value: With respect to theGDX, the ETF Closing Price of the Underlyingtimesthe Adjustment Factor on the applicable Coupon Observation Date or CallObservation Date. With respect to theSPX, the Index Closing Value of the Underlying on the applicable Coupon Observation Date or Call Observation Date.With respect to theGDX, the ETF Closing Price of the Underlyingtimesthe Adjustment Factor on the Valuation Date.With respect to theSPX, the Index Closing Value of the Underlying on the Valuation Date. Final Value: Coupon Barrier: Call Value:Threshold Value: Initially 1.0 with respect to GDX, subject to adjustment for certain events affecting the Underlying. See “—Antidilution Adjustments for Exchange TradedFunds” in the accompanying product supplement. Adjustment Factor: Specified Currency:CUSIP/ISIN:Book-entry or CertificatedNote:Business Day:Agent:Calculation Agent:Trustee:Estimated value on thePricing Date:Use of Proceeds:Listing:Conflict of Interest: 47233YSC0 / US47233YSC02Book-entry New YorkJefferies 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$933.60 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