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Form FWP Jefferies Financial Grou Filed by: Jefferies Financial Group Inc.

June 1, 2026 1:12 PM
Filed Pursuant to Rule 433
Registration Statement No. 333-295759
Jefferies Financial Group Inc.
Market Linked Securities
Market Linked Securities—Leveraged Upside Participation and Contingent Downside
Principal at Risk Securities Linked to the EURO STOXX 50® Index due January 7, 2030
Term Sheet to Preliminary Pricing Supplement dated June 1, 2026
Summary of Terms
 
Issuer:
  
Jefferies Financial Group Inc.
 
Market Measure:
  
EURO STOXX 50® Index (the “Index”).
 
Pricing Date*:
  
June 30, 2026
 
Issue Date*:
  
July 6, 2026
 
Face Amount and
Original Offering
Price:
  
$1,000 per security
 
Maturity Payment
Amount (per
security):
  
•    if the ending level is greater than the starting level: $1,000 plus $1,000 × index return × upside participation rate;
•    if the ending level is equal to or less than the starting level, but greater than or equal to the threshold level:
$1,000; or
•    if the ending level is less than the threshold level:
$1,000 + ($1,000 × index return)
 
Stated Maturity
Date*:
  
January 7, 2030
 
Starting Level:
  
The closing level of the Index on the pricing date
 
Ending Level:
  
The closing level of the Index on the calculation day
 
Threshold Level:
  
75% of the starting level
 
Upside Participation
Rate:
  
At least 155.20% (to be determined on the pricing date)
 
Index Return:
  
(ending level – starting level) / starting level
 
Final Calculation
Day*:
  
January 2, 2030
 
Calculation Agent:
  
Jefferies Financial Services Inc. (“JFSI”), a wholly owned subsidiary of Jefferies Financial Group Inc.
 
Denominations:
  
$1,000 and any integral multiple of $1,000
 
Agents Discount**:
  
Up to 2.825%; dealers, including those using the trade name Wells Fargo Advisors (“WFA”), may receive a selling concession of up to 2.25% and WFS may pay 0.075% of the agent’s discount to WFA as a distribution expense fee
 
CUSIP:
  
47233YC52
 
Material Tax
Consequences:
  
See the preliminary pricing supplement.
*subject to change
** In addition, selected dealers may receive a fee of up to 0.20% for marketing and other services
Hypothetical Payout Profile***
***assumes an upside participation rate of 155.20% of the face amount. The actual upside participation rate will be determined on the pricing date.

If the ending level is less than the threshold level, you will have full downside exposure to the decrease in the level of the Index from the starting level and will lose more than 25%, and possibly all, of the face amount of your securities at maturity.

We estimate that the value of each security on the pricing date will be approximately $958.50, or within $30.00 of that estimate.  See “Estimated Value of the Securities” in the accompanying preliminary pricing supplement for more information.
The securities have complex features and investing in the securities involves risks not associated with an investment in conventional debt securities.  See “Selected Risk Considerations” in this term sheet and the accompanying preliminary pricing supplement and “Risk Factors” in the accompanying product supplement.
This introductory term sheet does not provide all of the information that an investor should consider prior to making an investment decision.
Investors should carefully review the accompanying preliminary pricing supplement, product supplement, prospectus supplement and prospectus before making a decision to invest in the securities.
NOT A BANK DEPOSIT AND NOT INSURED OR GUARANTEED BY THE FDIC OR ANY OTHER GOVERNMENTAL AGENCY

Selected Risk Considerations
The risks set forth below are discussed in detail in the “Selected Risk Considerations” section in the accompanying preliminary pricing supplement and the “Risk Factors” section in the accompanying product supplement. Please review those risk disclosures carefully.


 •
If The Ending Level Is Less Than The Threshold Level, You Will Lose More Than 25%, And Possibly All, Of The Face Amount Of Your Securities At Maturity.

•
No Periodic Interest Will Be Paid On The Securities.

•
The Stated Maturity Date May Be Postponed If The Final Calculation Day Is Postponed.

•
The Tax Consequences Of An Investment In Your Securities Are Uncertain.

•
The Securities Are Subject To Our Credit Risk.

•
The Estimated Value Of The Securities On The Pricing Date, Based On Jefferies LLC Proprietary Pricing Models At That Time And Our Internal Funding Rate, Will Be Less Than The Original Offering Price.

•
The Estimated Value Of The Securities Was Determined For Us By Our Subsidiary Using Proprietary Pricing Models.

•
The Estimated Value Of The Securities Would Be Lower If It Were Calculated Based On Our Secondary Market Rate.
 
•
The Estimated Value Of The Securities Is Not An Indication Of The Price, If Any, At Which WFS, Jefferies LLC Or Any Other Person May Be Willing To Buy The Securities From You In The Secondary Market.

•
The Value Of The Securities Prior To Stated Maturity Will Be Affected By Numerous Factors, Some Of Which Are Related In Complex Ways.

•
The Securities Will Not Be Listed On Any Securities Exchange And The Issuer Does Not Expect A Trading Market For The Securities To Develop.

•
Any Payments On The Securities Will Depend Upon The Performance Of The Index And Therefore The Securities Are Subject To The Risks Associated With The Index, As Discussed In The Accompanying Pricing Supplement and Product Supplement.

•
Our Economic Interests And Those Of Any Dealer Participating In The Offering Are Potentially Adverse To Your Interests.
 
•
An Investment In The Notes Is Subject To Risks Associated With Investing In Non-U.S. Companies.
 

The issuer has filed a registration statement (including a prospectus) with the SEC for the offering to which this communication relates.  Before you invest, you should read the prospectus in that registration statement and other documents that the issuer has filed with the SEC for more complete information about the issuer and this offering.  You may get these documents for free by visiting EDGAR on the SEC website at www.sec.gov.  Alternatively, the issuer, any agent or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling your financial advisor or by calling Jefferies LLC.

Wells Fargo Advisors is a trade name used by Wells Fargo Clearing Services, LLC and Wells Fargo Advisors Financial Network, LLC, members SIPC, separate registered broker-dealers and non-bank affiliates of Wells Fargo Finance LLC and Wells Fargo & Company.


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