Jefferies Financial Group Inc美股招股说明书(2026-05-06版)

Prospectus Supplement dated May 12,2023 and Prospectus dated May 12, 2023) $1,850,000Jefferies Jefferies Financial Group Inc.Senior Fixed Coupon BufferedNotes due May 9, 2028Linked to the Worst-Performing of the Common Stock of Lam Research Corporation, the Common Stock of Marvell Technology, Inc. and the CommonStock of Zscaler, Inc. The Senior Fixed Coupon BufferedNotes due May 9, 2028 Linked to the Worst-Performing of the Common Stock of Lam Research Corporation, the Common Stock of Marvell Technology,Inc. and the Common Stock of Zscaler, Inc. (the “Notes”) are senior unsecured obligations of Jefferies Financial Group Inc.The Notes have the terms described in the accompanyingproduct supplement, prospectus supplement and prospectus, as supplemented or modified by this pricing supplement.The Notes are issued as part of our Series A Global Medium-TermNotes program. All payments are subject to our credit risk.If we default on our obligations, you could lose some or a significant portion of your investment.These Notes are not securedobligations and you will not have any security interest in, or otherwise have any access to, any Underlying.SUMMARY OF TERMS Jefferies Financial Group Inc.Senior Fixed Coupon BufferedNotes due May 9, 2028 Linked to the Worst-Performing of the Common Stock of Lam ResearchCorporation, the Common Stock of Marvell Technology, Inc. and the Common Stock of Zscaler, Inc.$. We may increase the Aggregate Principal Amount prior to the Original Issue Date but are not required to do so.$1,000 per Note$1,000 per NoteMay 1, 2026May 4, 2026May 7, 2026 (3 Business Days after the Pricing Date)Monthly, as set forth on page PS-2.May 4, 2028, subject to postponement as described in the accompanying product supplement. Title of the Notes: Aggregate Principal Amount:Issue Price:Stated Principal AmountStrike Date:Pricing Date:Original Issue Date:Coupon Payment Dates:Valuation Date:Maturity Date:Underlying: May 9, 2028, which may be postponed if the Valuation Date is postponed as described in the accompanying product supplement. The worst-performing of the common stock of Lam Research Corporation (Nasdaq symbol: “LRCX”), the common stock of MarvellTechnology, Inc. (Nasdaq symbol: “MRVL”) and the common stock of Zscaler, Inc. (Nasdaq symbol: “ZS”) (each an “UnderlyingCompany” and collectively the “Underlying Companies”).Please see “The Underlyings” below.The Underlying with the lowest Final Value as compared to its Initial Value Worst-Performing Underlying:Coupon Feature:Call Feature: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 eachNote 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 a significant portion of yourinvestment.The Payment at Maturity will also include the final Fixed Coupon Payment. Initial Value: $139.81 with respect to ZS $83.89 with respect to ZS (80% of its Initial Value, rounded to two decimal places) Initially 1.0 with respect to each Underlying, subject to adjustment for certain events affecting that Underlying. See “-AntidilutionAdjustments Relating to Shares” in the accompanying product supplement. Specified Currency:CUSIP/ISIN:Book-entry or Certificated Note:Business DayAgent:Calculation Agent:Trustee:Estimated value on the Pricing Date:Use of Proceeds:Listing:Conflict of Interest: U.S. dollars47233Y3K9 / US47233Y3K97Book-entryNew 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$974.60 per Note.Please see “The Notes” below.General corporate purposesNoneJefferies LLC, the broker-dealer subsidiary of Jefferies Financial Group Inc., is a member of FINRA and will participate in the distributionof the notes being offered hereby.Accordingly, the offering is subject to the provisions of FINRA Rule 5121 relating to conflicts ofinterest and will be conducted in accordance with 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 thispricing supplement or the accompanying product supplement, prospectus or prospectus supplement is truthful or complete.Any representation to the contraryis a criminal offense.As used in this pricing supplement,“we,”“us”and“our”re