Jefferies Financial Group Inc 美国股票招股说明书（2026年5月29日版）

$727,000Jefferies Jefferies Financial Group Inc. Senior Autocallable Contingent Coupon Barrier Notes due June 1, 2032Linked to the Worst-Performing of the State Street®SPDR®S&P®Regional Banking ETF and the S&P 500® May 29, 2026 (2 Business Days after the Pricing Date)Coupon Observation Dates:Quarterly, beginning on August 27, 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: Call Observation Dates: 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 accompanyingproduct supplement. Worst-Performing Underlying:The Underlying with the lowest Observation Value or Final Value, as applicable, as compared to its Initial Value.Coupon Feature: Call Feature: Call Payment:Payment at Maturity: Initial Value:Observation Value: Final Value: $48.71 with respect to the KRE (70% of its Initial Value, rounded to two decimal places); and 5,264.25 with respect to the SPX (70% of its Initial Value,rounded to two decimal places) Adjustment Factor: $940.00 per Note. Please see “The Notes” below. You should rely only on the information contained in or incorporated by reference in this pricing supplement and theaccompanying product supplement, prospectus and prospectus supplement. We have not authorized anyone to provide youwith different information. We are not making an offer of these securities in any state where the offer is not permitted. You Table of Contents SPECIAL NOTE ON FORWARD-LOOKING STATEMENTS This pricing supplement and the accompanying product supplement, prospectus and prospectus supplement contain or incorporate byreference “forward-looking statements” within the meaning of the safe harbor provisions of Section 27A of the Securities Act of 1933(the “Securities Act”) and Section 21E of the Securities Exchange Act of 1934. These forward-looking statements are not statements ofhistorical fact and represent only our belief as of the date such statements are made. There are a variety of factors, many of which arebeyond our control, which affect our operations, performance, business strategy and results and could cause actual reported resultsand performance to differ materially from the performance and expectations expressed in these forward-looking statements. Thesefactors include, but are not limited to, financial market volatility, actions and initiatives by current and future competitors, general THE NOTES The Notes are senior unsecured obligations of Jefferies Financial Group Inc. The Aggregate Principal Amount of the Notes is $727,000.The Notes will mature on June 1, 2032. The Notes have the terms described in the accompanying product supplement, prospectussupplement and prospectus, as supplemented or modified by this pricing supplement. The Notes will pay a Contingent CouponPayment of $27.13 on the applicable Coupon Payment Date if the Observation Value of the Worst-Performing Underlying on theapplicable quarterly Coupon Observation Date is greater than or equal to its Coupon Barrier. The Notes will be automatically called ifthe Observation Value of the Worst-Performing Underlying on any Call Observation Date (beginning approximately six months after thePricing 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. If your Notes are not called, at maturity, if the Final Value of theWorst-Performing Underlying is greater than or equal to its Threshold Value, you will receive the Stated Principal Amount; otherwise,your Notes are subject to 1-to-1 downside exposure to decreases in the Worst-Performing Underlying from its Initial Value, with up to100% of the Stated Principal Amount at risk. At maturity you will also receive the final Contingent Coupon Payment if the ObservationValue of the Worst-Performing Underlying on the final Coupon Observation Date is greater than or equal to its Coupon Barrier. For moreinformation on the Coupon Feature, the Call Feature and the Payment at Maturity please see “Summary of Terms” on the cover page of The Stated Principal Amount of each Note is $1,000. The Issue Price will equal 100% of the Stated Principal Amount per Note. Thisprice includes costs associated with issuing, selling, structuring and hedging the Notes, which are borne by you, and, consequently, the If any Coupon Payment Date, Call Payment Date or the Maturity Date occurs on a day that is not a Business Day, then the paymentowed on such date will be postponed until the next succeeding Business Day, and no interest will accrue as a result of such delay. Capitalized terms used but not defined in this pricing supplement have