杰弗瑞斯金融集团股份有限公司美国存托股份招股说明书(2025-11-26版)

Prospectus Supplement dated May 12,2023 and Prospectus dated May 12, 2023) $1,485,000Jefferies Jefferies Financial Group Inc.Senior Buffered Digital Return Notes due November 26, 2027 Linked to the Worst-Performing of the S&P 500®Index, the Russell 2000® Index and the Dow Jones Industrial AverageThe Senior Buffered Digital Return Notes due November 26, 2027 Linked to the Worst-Performing of the S&P 500®Index, the Russell 2000®Index and the Dow JonesIndustrial Average®(the “Notes”) are senior unsecured obligations of Jefferies Financial Group Inc.The Notes will pay no interest, provide for a minimum Payment at Maturityof only 20% of the Stated Principal Amount and have the terms described in the accompanying product supplement, prospectus supplement and prospectus, as supplementedor modified by this pricing supplement.At maturity, you will receive the Digital Payment of $1,172.00 if the Final Value of the Worst-Performing Underlying is greater than orequal to its Buffer Value. However, if the Final Value of the Worst-Performing Underlying is less than its Buffer Value, investors will lose 1% of the Stated Principal Amount for every 1% decline (as compared to the Initial Value of the Worst-Performing Underlying) in the Final Value of the Worst-Performing Underlying below its Buffer Value.Investorsmay lose up to 80% of the Stated Principal Amount of the Notes.The Notes are issued as part of our Series A Global Medium-Term Notes 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 notsecured obligations and you will not have any security interest in, or otherwise have any access to, any Underlying or the securities represented by anyUnderlying. Jefferies Financial Group Inc. Issuer:Title of the Notes: Senior Buffered Digital Return Notes due November 26, 2027Linked to the Worst-Performing of the S&P 500®Index, the Russell2000®Index and the Dow Jones Industrial Average®$1,485,000. We may increase the Aggregate Principal Amount prior to the Original Issue Date but are not required to do so. Aggregate Principal Amount:Issue Price:Stated Principal AmountStrike Date: November 26, 2025 (3 Business Days after the Pricing Date)November23,2027,subject to postponement as described in the accompanying product supplement.For purposes of the accompanying product supplement, the occurrence of a Market Disruption Event or non-Index Business Day as to any Underlying willnot impact any other Underlying that is not so affected. Maturity Date: November 26, 2027, which may be postponed if the Valuation Date is postponed as described in the accompanying productsupplement. The worst-performing of the S&P 500®Index (the “SPX”), the Russell 2000®Index (the “RTY”) and the Dow Jones Industrial Average(the “INDU”).Please see “The Underlyings” below.The Underlying with the lowest Underlying Return. Underlying: Worst-Performing Underlying:Payment at Maturity: If the Final Value of the Worst-Performing Underlying is greater than or equal to its Buffer Value, you will receive for each Note that you hold a Payment at Maturity that is equal to the Digital Payment.If the Final Value of the Worst-Performing Underlying is less than its Buffer Value, you will receive for each Note that you hold aPayment at Maturity that is less than the Stated Principal Amount of each Note that will equal:Stated Principal Amount × (1+ (Underlying Return of the Worst-Performing Underlying + Buffer Amount)). Digital Payment: $1,172.00 per Note (117.20% of the Stated Principal Amount)With Underlying Return: Initial Value:Final Value: Buffer Amount:Redemption:Specified Currency:CUSIP/ISIN:Book-entry or Certificated Note: Jefferies Financial Services, Inc., a wholly owned subsidiary of Jefferies Financial Group Inc.The Bank of New York Mellon Estimated value on the Pricing Date:$979.00 per Note. Please see “The Notes” below.General corporate purposes Jefferies LLC, the broker-dealer subsidiary of Jefferies Financial Group Inc., is a member of FINRA and will participate in thedistribution of the notes being offered hereby.Accordingly, the offering is subject to the provisions of FINRA Rule 5121 relating toconflicts of interest 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. We will deliver the Notes in book-entry form only through The Depository Trust Company on or about November 26, 2025 against payment in immediately available funds. Jeffe