Jefferies Financial Group 424B Filings

Jefferies Financial Group Inc. is offering Senior Autocallable Contingent Coupon Barrier Notes due March 18, 2032 linked to the worst-performing of the Nasdaq-100 Index, the Russell 2000 Index and the VanEck Semiconductor ETF. Each Note has a $1,000 stated principal and an Issue Price of $1,000; Jefferies estimates the value on the Pricing Date at approximately $976.00. The Notes pay a monthly contingent coupon of $16.67 if the worst-performing underlying is at or above 75% of its Initial Value on a Coupon Observation Date, are autocallable beginning about six months after pricing, and expose holders to 1-to-1 downside below a 60% Threshold Value at maturity. All payments are subject to Jefferies’ credit risk.

Jefferies Financial Group Inc. is offering Senior Autocallable Contingent Coupon Barrier Notes due March 31, 2032. The notes have a Stated Principal Amount of $1,000 per Note, an Issue Price of $1,000 per Note, a Pricing Date of March 27, 2026 and an Original Issue Date of March 31, 2026. The notes are linked to the worst-performing of the Dow Jones Industrial Average®, the Nasdaq-100 Index® and the Russell 2000® Index and pay a contingent monthly coupon of $8.333 per Note if the Worst-Performing Underlying is at or above a Coupon Barrier equal to 75% of initial value on each monthly coupon observation date. The notes are autocallable beginning on the first Call Observation Date (approximately one year after the Pricing Date) if the Worst-Performing Underlying is at or above its Call Value (100% of initial value). At maturity, holders receive the Stated Principal Amount if the Final Value of the Worst-Performing Underlying is at or above its Threshold Value (75% of initial value); otherwise investors have 1-to-1 downside exposure to declines in that Worst-Performing Underlying. Jefferies estimates the note value on the Pricing Date at approximately $938.60 per Note (within $30.00). All payments are subject to Jefferies’ credit risk.

Jefferies Financial Group Inc. is offering Senior Autocallable Contingent Coupon Barrier Notes due March 31, 2032 linked to the worst-performing of the Nasdaq-100 Index and the Russell 2000 Index.

The Notes have a $1,000 stated principal amount per Note, an Issue Price of 100%, and an estimated value on the Pricing Date of approximately $940.90 (within $30.00). The Notes pay a contingent quarterly coupon of $24.38 if the Worst-Performing Underlying on a Coupon Observation Date is at or above a Coupon Barrier equal to 75% of its Initial Value, are autocallable beginning on the first Call Observation Date approximately one year after the Pricing Date, and return the Stated Principal at maturity only if the Final Value of the Worst-Performing Underlying is at or above a Threshold Value equal to 75% of its Initial Value; otherwise holders face 1-to-1 downside exposure to declines below the Initial Value. All payments are subject to Jefferies’ credit risk.

Jefferies Financial Group Inc. priced a preliminary offering of senior autocallable contingent coupon barrier notes due April 1, 2032 linked to the worst-performing of the Nasdaq-100, Russell 2000 and EURO STOXX 50.

Each Note has a $1,000 stated principal amount and an issue price of $1,000. Monthly coupon observation dates begin April 27, 2026 with a contingent coupon of $8.33 payable when the worst-performing underlying is at or above a 70% coupon barrier. The notes are autocallable on monthly call observation dates beginning approximately one year after pricing; if called, holders receive the stated principal plus any contingent coupon then due. At maturity, if the worst-performing underlying is below a 60% threshold, payment is subject to 1-to-1 downside exposure and holders may lose up to 100% of principal. Estimated initial value was approximately $939.10 per Note; all payments are subject to Jefferies’ credit risk.

Jefferies Financial Group Inc. priced a preliminary pricing supplement for Senior Autocallable Contingent Coupon Barrier Notes due April 1, 2032 linked to the worst-performing of the Russell 2000® and the EURO STOXX 50®. The Notes have a Stated Principal Amount $1,000 per Note, an Issue Price of 100%, and an estimated value on the Pricing Date of approximately $939.00 (within $30.00).

The Notes pay a contingent quarterly coupon of $25 when the worst-performing underlying is at or above its Coupon Barrier (75% of Initial Value) on each Coupon Observation Date, are autocallable beginning on a Call Observation Date approximately one year after pricing, and return principal at maturity only if the worst-performing underlying is at or above its Threshold Value (75% of Initial Value) on the Valuation Date. Pricing Date was March 27, 2026 with Original Issue Date March 31, 2026.

Jefferies Financial Group Inc. is issuing Senior Autocallable Contingent Coupon Barrier Notes due April 1, 2032 linked to the worst-performing of the Nasdaq-100, Russell 2000 and EURO STOXX 50 indices. The notes carry a $1,000 stated principal amount per note and an issue price of $1,000 per note.

The notes pay a monthly contingent coupon of $9.17 when the worst-performing underlying is at or above a coupon barrier equal to 75% of its initial value. The notes are autocallable on monthly call observation dates beginning approximately one year after pricing; if called, holders receive the stated principal plus any contingent coupon due. At maturity the notes pay principal in full if the worst-performing underlying is at or above 75% of its initial value, otherwise holders bear 1-for-1 downside exposure.

All payments are subject to Jefferies’ credit risk; Jefferies estimates an initial estimated value of approximately $931.90 per note.

Jefferies Financial Group Inc. is offering Senior Autocallable Contingent Coupon Barrier Notes due March 9, 2029 linked to the worst-performing of the Dow Jones Industrial Average®, the S&P 500® Index and the State Street® Health Care Select Sector SPDR® ETF.

The notes have a $1,000 Stated Principal Amount per note, an Issue Price of $1,000 per note, an estimated value on the Pricing Date of approximately $992.00 and a quarterly contingent coupon of $27 paid when the worst-performing underlying is at or above a 75% coupon barrier on observation dates. The notes are senior unsecured obligations, subject to Jefferies' credit risk, autocallable on quarterly call observation dates beginning approximately six months after pricing, and pay principal at maturity only if the worst-performing underlying is at or above a 65% threshold; otherwise maturity payments have 1:1 downside exposure.

Jefferies Financial Group Inc. is offering senior autocallable contingent coupon barrier notes maturing on March 9, 2028 linked to the worst-performing of the common stock of Occidental Petroleum Corporation (OXY) and Palantir Technologies Inc. (PLTR).

Each Note has a $1,000 stated principal amount and an $50 contingent quarterly coupon payable if the worst-performing underlying is at or above a 60% coupon barrier on the applicable observation date. Notes may be automatically called on quarterly call observation dates if the worst-performing underlying is at or above its call value (100% of initial value). The estimated value on the pricing date is approximately $941.00 per Note. All payments are subject to Jefferies’ credit risk and the terms are subject to postponement and adjustment as described in the supplement.

Jefferies Financial Group Inc. is offering Senior Autocallable Contingent Coupon Buffered Notes due March 31, 2032 linked to the worst‑performing of the S&P 500® Index and the State Street® Energy Select Sector SPDR® ETF (XLE). The Notes pay a contingent quarterly coupon of $28 if the worst‑performing underlying is at or above an 85% coupon barrier on each quarterly observation date and are automatically callable if that worst‑performing underlying is at or above 100% of its initial value on any call observation date. At maturity, if the worst‑performing underlying is below its 85% threshold, investors suffer 1:1 downside with up to 85% of principal at risk. Issue price is $1,000 per note; Jefferies estimates an initial value of approximately $928.10. All payments are senior unsecured and subject to Jefferies’ credit risk. Aggregate principal amount is blank on this preliminary pricing supplement.

Jefferies Financial Group Inc. is offering Senior Autocallable Contingent Coupon Barrier Notes due March 12, 2032 linked to the worst-performing of four underlyings: the Dow Jones Industrial Average, the Invesco S&P 500® Equal Weight ETF (RSP), the Russell 2000® and the EURO STOXX 50®. Each Note has a $1,000 stated principal amount and an Issue Price of $1,000 per Note. The Notes pay a contingent quarterly coupon of $25.75 when the Worst-Performing Underlying is at or above a 75% Coupon Barrier and are autocallable when that Underlying is at or above 100% on Call Observation Dates. At maturity the Notes return the Stated Principal Amount if the Worst-Performing Underlying is at or above a 60% Threshold Value; otherwise holders face 1-to-1 downside exposure. Jefferies estimated the value on the Pricing Date at approximately $944.50 per Note. All payments are subject to Jefferies’ credit risk.

Jefferies Financial Group Inc. is offering market-linked, auto-callable medium-term notes due March 4, 2031 linked to the lowest performing share of NVDA, META and TSLA. The securities have a face amount of $1,000 per security, priced at February 27, 2026 with an estimated value of $952.20 per security.

The notes pay a quarterly contingent coupon at a 16.30% per annum rate if the lowest performing underlying stock on each calculation day is at or above a threshold equal to 70% of its starting price. A 30% buffer applies at maturity; holders can lose up to 70% of principal if the lowest performing underlying’s ending price is below its threshold. The notes are senior unsecured obligations of Jefferies and are subject to issuer credit risk, potential automatic call from November 2026 through November 2030, agent discounts of $28.25 per security, and no exchange listing.

Jefferies Financial Group Inc. is offering senior fixed-rate 30-year callable notes due March 17, 2056. The notes pay interest at 6.75% from the Original Issue Date of March 17, 2026, have an issue price of $1,000 per note, and are senior unsecured obligations.

Jefferies may redeem the notes, in whole or in part, on each Optional Redemption Date beginning March 17, 2027, with at least five Business Days’ notice. Payments are subject to Jefferies Financial Group Inc.’s credit risk and the notes will not be listed.

Jefferies Financial Group Inc. is offering senior, unsecured, fixed-rate 12‑year callable notes due March 17, 2038 with a stated interest rate of 6.00% from the Original Issue Date. The notes pay semiannual interest, are callable by the issuer on specified semiannual dates beginning March 17, 2027, and are payable in U.S. dollars. The offering will be delivered in book-entry form through DTC and proceeds are for general corporate purposes. All payments are subject to the issuer’s credit risk; the notes will not be listed and secondary-market liquidity may be limited.

Jefferies Financial Group Inc. is offering senior unsecured fixed-rate callable notes due March 17, 2031 with a stated interest rate of 5.00% payable semi‑annually. The Notes are callable by the issuer on each Optional Redemption Date beginning March 17, 2027 on at least five Business Days' notice.

Notes will be issued at a price of $1,000 per Note (100%), payable in U.S. dollars, delivered in book‑entry form through DTC on or about March 17, 2026. All payments are subject to Jefferies Financial Group Inc.'s credit risk; Notes will not be listed and secondary market liquidity may be limited.

Jefferies Financial Group Inc. is offering Market Linked Notes due August 30, 2029 that return principal at maturity and provide 100% upside participation in an equally-weighted Basket of the EURO STOXX 50® (50%) and the S&P 500® (50%), subject to a 25.00% maximum return (maximum maturity payment $1,250 per $1,000 note). The notes pay no periodic interest, are senior unsecured obligations of Jefferies and are subject to its credit risk. Pricing date was February 26, 2026, issue date March 3, 2026, original offering price $1,000 and estimated value on the pricing date $955.60 per note. Agent discount up to $33.25 per note. Calculation day is August 27, 2029, subject to postponement for market disruptions.

Jefferies Financial Group Inc. priced Market Linked Securities — medium-term notes linked to the Nasdaq-100 Index® with an issue date of March 3, 2026 and stated maturity of March 2, 2028.

Each security has a face amount of $1,000, an original offering price of $1,000, an estimated value on the pricing date of $961.50, an upside participation rate of 200% subject to a maximum return of 21.00% (maximum maturity payment $1,210), and a downside buffer of 10% (threshold level equal to 22,530.933, or 90% of the starting level 25,034.37). If the ending level is below the threshold, investors bear 1-to-1 losses beyond the buffer and can lose up to 90% of the face amount. The securities are senior unsecured obligations of Jefferies and all payments are subject to the issuer’s credit risk.

Jefferies Financial Group Inc. is offering $3,700,000 aggregate principal of Senior Fixed Rate 10 Year Callable Notes due March 2, 2036. The Notes pay interest at 5.60% per annum, payable semi‑annually, and are senior unsecured obligations subject to the credit risk of Jefferies Financial Group Inc.

The issuer may redeem the Notes in whole or in part on each Optional Redemption Date (the 2nd calendar day of each March and September beginning March 2, 2027) on at least five Business Days’ notice. Issue price is $1,000 per Note; underwriting discount is 1.00%, producing proceeds to the issuer of $3,663,000 before expenses. Use of proceeds is general corporate purposes. Delivery is in book‑entry form through DTC on or about March 2, 2026.

Jefferies Financial Group Inc. priced a medium-term note offering of equity index-linked, auto-callable securities with a face amount of $1,000 per security and a minimum fixed quarterly coupon of 6.80% per annum. The securities are linked to the lowest performing of the S&P 500®, Russell 2000® and NASDAQ-100® and pay the face amount at maturity only if the lowest performing Index on the final calculation day is at or above its 70% threshold; otherwise investors suffer a pro rata loss of principal based on that Index’s performance.

The notes are auto-callable beginning about nine months after issuance; if called you receive the face amount plus a final coupon. Stated maturity is March 11, 2030 (subject to postponement). Jefferies estimated the securities’ value on the pricing date at approximately $962.10, and distribution agents receive up to $23.25 per security. All payments are subject to Jefferies’ credit risk.

Jefferies Financial Group Inc. priced $1,800,000 of senior fixed-rate 7-year callable notes due February 28, 2033. The Notes carry a 5.00% fixed interest rate, an issue price of $1,000 per Note (100%), and will be issued on February 27, 2026. Interest is paid semi-annually on the last calendar day of February and August, beginning August 31, 2026. The issuer may redeem the Notes, in whole or in part, on each Optional Redemption Date, beginning February 28, 2027, at 100% of principal plus accrued interest. Proceeds to the issuer before expenses are $1,791,000, with underwriting discounts of $9,000 (0.50%). All payments are subject to the issuer's credit risk and the Notes will not be listed.

Jefferies Financial Group Inc. is offering $10,064,000 aggregate principal amount of Senior Fixed Rate 15 Year Callable Notes due February 27, 2041.

The Notes pay interest at 6.00% annually, are senior unsecured obligations, may be redeemed by the issuer on each Optional Redemption Date beginning February 27, 2027, and will be issued at <$1,000> per Note on February 27, 2026.

Jefferies Financial Group Inc. is offering $1,021,000 aggregate principal amount of Senior Fixed Rate 30 Year Step‑Up Callable Notes due February 27, 2056. The Notes pay 6.00% from the Original Issue Date through February 27, 2036 and 7.00% from February 27, 2036 to the stated maturity. The issuer may redeem the Notes, in whole or in part, on each Optional Redemption Date, and payments are subject to the issuer’s credit risk. The Notes are being issued at $1,000 per note and Jefferies will receive proceeds of $1,000,580 (before expenses) after underwriting discounts.

Jefferies Financial Group Inc. priced Senior Autocallable Contingent Coupon Barrier Notes due February 27, 2032 with an aggregate principal amount of $10,330,000. The notes pay a contingent monthly coupon of $8.33 per note if the worst-performing underlying meets its monthly Coupon Barrier, are autocallable on monthly Call Observation Dates beginning approximately one year after pricing, and return the $1,000 Stated Principal Amount at maturity only if the Final Value of the Worst-Performing Underlying is at or above its Threshold Value (set at 75% of each Initial Value). Initial Values and Coupon/Threshold/Call levels are specified for NDX, RTY, and SX5E. Issue Price is $1,000 per note; Jefferies estimates the value at $946.70 per note. Proceeds to issuer before expenses: $9,963,285 (96.45%); underwriting discount: 3.55% ($366,715).

Jefferies Financial Group Inc. is issuing Senior Leveraged Barrier Notes totaling $643,000 due February 27, 2031. The notes pay no interest and return the $1,000 stated principal at maturity only if the Worst-Performing Underlying is at or above its Threshold Value; otherwise payments fall dollar-for-dollar with the Worst-Performing Underlying’s decline. The Participation Rate for upside is 110.00%. The Underlyings are the Dow Jones Industrial Average (INDU) and the S&P 500 (SPX); Initial Values are INDU 49,482.15 and SPX 6,946.13, with Threshold Values equal to 60% of those Initial Values (INDU 29,689.29, SPX 4,167.68). Estimated value on the Pricing Date was $941.00 per note; Issue Price was $1,000 per note. All payments are subject to Jefferies’ credit risk.

Jefferies Financial Group Inc. is offering Senior Autocallable Contingent Coupon Barrier Notes with an Aggregate Principal Amount of $5,383,000, issued at $1,000 per Note and maturing on February 27, 2032. The Notes pay a monthly contingent coupon of $7.50 if the worst-performing underlying meets its monthly Coupon Barrier, are autocallable beginning approximately one year after issuance, and provide principal protection only if the worst-performing underlying is at or above its Threshold Value at the Valuation Date. The payoff is linked to the worst-performing of the Dow Jones Industrial Average, Nasdaq-100 and Russell 2000, and all payments are subject to the issuer’s credit risk. The Issue Date is February 27, 2026, and the issuer estimates an initial per-Note value of $942.50.

Jefferies Financial Group Inc. is issuing $1,115,000 aggregate principal of Senior Autocallable Contingent Coupon Barrier Notes due February 27, 2032, linked to the worst-performing of the Dow Jones Industrial Average, Nasdaq-100 and Russell 2000. Each Note has a $1,000 stated principal amount and an issue price of $1,000.

The Notes pay a contingent quarterly coupon of $21.25 if the Worst-Performing Underlying on a Coupon Observation Date is at or above its Coupon Barrier (e.g., 70% of initial values). They are autocallable beginning on the first Call Observation Date; if called you receive the stated principal plus any contingent coupon. At maturity you receive principal if the Final Value of the Worst-Performing Underlying is at or above its Threshold Value (e.g., 60% of initial values), otherwise you have 1-to-1 downside exposure to the Worst-Performing Underlying.

Jefferies Financial Group Inc. issues Senior Autocallable Contingent Coupon Barrier Notes with an aggregate principal amount of $1,745,000. The Notes are issued at $1,000 per Note, mature on February 27, 2032, and are linked to the worst-performing of the Dow Jones Industrial Average®, Nasdaq-100® and Russell 2000®. The Notes pay a quarterly contingent coupon of $23.75 if the Worst-Performing Underlying meets its Coupon Barrier on a Coupon Observation Date, are autocallable beginning approximately on February 25, 2027, and return the Stated Principal Amount at maturity only if the Worst-Performing Underlying is at or above its Threshold Value on the Valuation Date. The estimated value on the Pricing Date was $959.50 per Note and proceeds to the issuer before expenses equal $1,727,550. All payments are subject to our credit risk.

Jefferies Financial Group Inc. is offering $240,000 of Senior Autocallable Contingent Coupon Barrier Notes due February 27, 2032. The Notes pay a contingent quarterly coupon of $26.25 per Note if the worst-performing underlying meets its coupon barrier and are autocallable beginning approximately one year after issuance.

The Notes are linked to the worst-performing of the State Street® SPDR® S&P® Regional Banking ETF (KRE) and the S&P 500® Index (SPX). Initial Values are $69.87 for the KRE and 6,946.13 for the SPX; Coupon Barriers and Threshold Values are $48.91 (KRE) and 4,862.29 (SPX). Issue Price is $1,000 per Note; Jefferies estimates value at $941.80 per Note. Net proceeds to Jefferies before expenses are $231,600.

Jefferies Financial Group Inc. is offering $597,000 aggregate principal amount of Senior Autocallable Contingent Coupon Barrier Notes due February 27, 2032, linked to the worst-performing of the Russell 2000® and the EURO STOXX 50®. The Aggregate Principal Amount may be increased prior to the Original Issue Date. Each Note has a $1,000 stated principal amount and pays a contingent quarterly coupon of $22.50 if the worst-performing underlying is at or above its coupon barrier on the quarterly observation date. Notes are autocallable beginning on quarterly call observation dates (first around one year after pricing); if called, holders receive principal plus any contingent coupon due. At maturity, if the final value of the worst-performing underlying is below its 75% threshold, holders suffer 1-for-1 downside and may lose up to the full principal. All payments are subject to Jefferies credit risk; estimated value on the pricing date was $947.60 per Note.

Jefferies Financial Group Inc. is issuing $736,000 of Senior Autocallable Contingent Coupon Barrier Notes due February 27, 2032 linked to the worst-performing of the Nasdaq-100 Index and the Russell 2000 Index under its Series A Global Medium-Term Notes program.

The Notes have a $1,000 Stated Principal Amount per Note, an Issue Price of 100%, an estimated value on the pricing date of $942.00 per Note, quarterly contingent coupons of $21.88 (paid if the Worst-Performing Underlying meets the Coupon Barrier), an autocall feature beginning on the first Call Observation Date approximately one year after pricing, and downside 1-to-1 exposure to the Worst-Performing Underlying at maturity.

Jefferies Financial Group Inc. offers $148,000 aggregate principal amount of Senior Autocallable Contingent Coupon Barrier Notes due February 27, 2031.

The notes pay a quarterly contingent coupon of $25 if the worst-performing underlying (the SPX or XLE) meets barrier tests, are autocallable beginning on specified quarterly call observation dates, and return principal at maturity only if the worst-performing underlying is at or above its Threshold Value. All payments are unsecured and subject to issuer credit risk; estimated initial value was $936.00 per note versus an issue price of $1,000.

Jefferies Financial Group Inc. is offering medium-term notes—market-linked, auto-callable securities linked to the lowest performing share of NVDA, META and TSLA, with a 30% buffer and contingent quarterly coupons. The contingent coupon rate will be set on the pricing date and will be at least 16.30% per annum; coupons pay only if the lowest performing stock on each calculation day is ≥70% of its starting price.

The notes are callable if the lowest performing stock on a calculation day from November 2026 through November 2030 is ≥ its starting price; if not called, principal at maturity is protected only up to the 30% buffer and holders may lose up to 70% of face amount. Payments are subject to Jefferies’ credit risk and the securities are designed to be held to maturity.

Jefferies Financial Group Inc. is offering market-linked medium-term notes tied to the Nasdaq-100 Index® that mature on April 4, 2028. Each security has a face amount of $1,000, an original offering price of $1,000, and an estimated value on the pricing date of approximately $966.20.

The notes provide 200% upside participation in positive index returns up to a maximum return of at least 21.80% (minimum cap = $218.00), a 10% downside buffer, and 1-to-1 downside exposure beyond the buffer (potential loss up to 90% of face amount). Agent discount is $25.75, with proceeds to the issuer of $974.25 per security.

Jefferies Financial Group Inc. is offering senior fixed-rate 10 Year Callable Notes due March 2, 2036. The Notes pay interest at 5.60% from and including the Original Issue Date and accrue from March 2, 2026, with semi-annual payments each March 2 and September 2, beginning September 2, 2026.

The Notes are callable by the issuer on each Optional Redemption Date (each March 2 and September 2 from March 2, 2027 through September 2, 2035) with at least five Business Days’ notice. Payments are senior unsecured and subject to the issuer’s credit risk; listing and aggregate principal amount are not stated on the cover page of this excerpt.

Jefferies Financial Group Inc. is offering Senior Leveraged Barrier Notes due March 16, 2029 linked to the iShares® MSCI EAFE® ETF (EFA). Each Note has a Stated Principal Amount of $1,000 and an Issue Price of $1,000 per Note.

At maturity the Notes pay the Stated Principal plus 123% of positive Underlying performance if the Final Value exceeds the Initial Value. If the Final Value is between the Initial Value and the Threshold Value (which is 80% of the Initial Value), holders receive the Stated Principal. If the Final Value is below the Threshold Value, holders lose 1% of principal for each 1% decline in the Final Value and may lose up to 100% of principal. All payments are subject to Jefferies’ credit risk. The Pricing Date is March 13, 2026, Original Issue Date is March 18, 2026, and the Valuation Date is March 13, 2029. The estimated value on the Pricing Date was approximately $979.90 per Note.

Jefferies Financial Group Inc. is offering Senior Autocallable Barrier Notes due March 2, 2029 linked to the worst-performing of the Nasdaq-100, Russell 2000 and S&P 500 indices. Each Note has a $1,000 Stated Principal Amount and an Issue Price of $1,000. The Pricing Date is February 27, 2026 and the Original Issue Date is March 4, 2026.

The Notes are autocallable on annual Call Observation Dates beginning approximately one year after the Pricing Date; Call Payments include the Stated Principal plus a Call Premium of at least $164, $328 or $492 depending on the observation. At maturity the investor receives the Stated Principal if the Worst-Performing Underlying is at least 70% of its Initial Value; otherwise the holder has 1-to-1 downside exposure to the Worst-Performing Underlying and may lose up to the full principal. All payments are subject to Jefferies’ credit risk.

Jefferies Financial Group Inc. is offering Senior Leveraged Barrier Notes linked to the iShares^® MSCI EAFE^® ETF due March 16, 2029. Each Note has a $1,000 Stated Principal Amount and Issue Price of $1,000. At maturity holders receive the Stated Principal plus 105% of upside if the Underlying appreciated; if the Final Value is below the Initial Value but at or above 80% of the Initial Value, holders receive the Stated Principal. If the Final Value is below the 80% Threshold Value, holders incur losses pro rata and may lose up to the full principal. Jefferies estimates the Note value on the Pricing Date at approximately $955.20, and all payments are subject to Jefferies' credit risk. The Valuation Date is March 13, 2029.

Jefferies Financial Group Inc. priced a preliminary pricing supplement for Senior Autocallable Contingent Coupon Barrier Notes due March 8, 2029 linked to the worst-performing of the Dow Jones Industrial Average, the Nasdaq-100, and the Russell 2000.

The notes have a $1,000 stated principal amount per note, an issue price equal to 100% of par, monthly coupon observation dates with a contingent coupon of $10.17 when the worst-performing underlying is at or above an 80% coupon barrier, quarterly autocall features beginning on a call observation date approximately one year after pricing, and downside 1-to-1 exposure at maturity if the worst-performing underlying is below a 70% threshold.

Jefferies Financial Group Inc. is offering Medium‑Term Notes, Series A — equity index‑linked, auto‑callable securities linked to the lowest performing of the S&P 500®, Russell 2000® and Dow Jones Industrial Average®. The original offering price is $1,000 per security and proceeds to the issuer are $976.75 per security. The pricing date is March 31, 2026, the issue date is April 6, 2026, and the stated maturity is March 28, 2030. The securities pay a quarterly contingent coupon only if the lowest performing Index on each calculation day closes at or above its threshold (equal to 75% of its starting level); the contingent coupon rate will be determined on the pricing date and will be at least 9.30% per annum. If not automatically called, maturity payment depends on the ending level of the lowest performing Index on the final calculation day and may result in loss of more than 25% or all of principal.

Jefferies Financial Group Inc. is offering Senior Autocallable Contingent Coupon Barrier Notes due February 25, 2031 linked to the worst-performing of the Nasdaq-100, Russell 2000 and S&P 500. The pricing date is February 20, 2026 and the Original Issue Date is February 25, 2026. The aggregate principal amount is $1,000,000 and the Issue Price is $1,000 per Note with a Stated Principal Amount of $1,000 per Note.

The Notes pay a contingent quarterly coupon of $24.63 when the Worst-Performing Underlying is on or above its Coupon Barrier on Coupon Observation Dates and are autocallable on specified Call Observation Dates. At maturity, if the Worst-Performing Underlying is below its Threshold Value (set at 60% of initial values), the Payment at Maturity exposes investors to 1-to-1 downside, potentially losing up to 100% of principal. Jefferies estimated the value on the Pricing Date at $985.50 per Note. All payments are subject to Jefferies' credit risk.

Jefferies Financial Group Inc. is offering Senior Autocallable Contingent Coupon Barrier Notes due March 15, 2032 linked to the worst-performing of the Dow Jones Industrial Average, the Russell 2000 and the S&P 500. Each Note has a $1,000 stated principal amount and an Issue Price of $1,000 per Note.

The Notes pay a quarterly contingent coupon of $27.50 if the worst-performing underlying is at or above a 75% Coupon Barrier on each Coupon Observation Date, are autocallable beginning on the first Call Observation Date, and return principal at maturity only if the final value of the worst-performing underlying is at or above a 75% Threshold Value; otherwise investors have 1-for-1 downside exposure.

Jefferies Financial Group Inc. is offering Senior Autocallable Barrier Notes due February 21, 2031 with an Aggregate Principal Amount of $1,098,000 issued at an Issue Price of $1,000 per Note and a Stated Principal Amount of $1,000 per Note.

The notes are linked to the worst-performing of the Dow Jones Industrial Average®, the State Street® SPDR® S&P® Regional Banking ETF (KRE) and the Russell 2000® Index (RTY). Call Observation Dates begin approximately one year after pricing and, if called, investors receive the Stated Principal plus a Call Premium; Call Premiums step from $140 to $700 producing Call Payments from $1,140 up to $1,700. The Pricing Date is February 18, 2026 and Original Issue Date is February 23, 2026. All payments are subject to Jefferies' credit risk and certain timing provisions may be postponed as described in the supplement.

Jefferies Financial Group Inc. priced senior autocallable contingent coupon barrier notes due March 9, 2032 linked to the worst-performing of the Nasdaq-100, Russell 2000 and S&P 500. The notes carry a $1,000 Stated Principal Amount and an Issue Price equal to 100% of par and pay monthly contingent coupons of $7.71 when the Worst-Performing Underlying on a Coupon Observation Date is at or above its Coupon Barrier.

The Call Value equals 100% of each Initial Value and the Coupon Barrier and Threshold Value equal 70% of each Initial Value. If the Worst-Performing Underlying is below its Threshold Value at maturity, investors face 1-to-1 downside exposure to declines from the Initial Value. Jefferies estimated the notes' value on the Pricing Date at approximately $957.50.

Jefferies Financial Group Inc. launches Senior Autocallable Contingent Coupon Barrier Notes due February 25, 2031 linked to the worst-performing of the Nasdaq-100, Russell 2000 and S&P 500. Each Note has a $1,000 stated principal amount and an Issue Price $1,000; estimated value on the Pricing Date is approximately $985.30.

The Notes pay a quarterly contingent coupon of $24.63 if the worst-performing underlying on a quarter's observation date is at or above its 60% Coupon Barrier, are autocallable if that underlying is at or above 100% of its Initial Value on a Call Observation Date, and provide 1-to-1 downside at maturity if the Final Value is below the 60% Threshold Value. All payments are subject to Jefferies' credit risk.

Jefferies Financial Group Inc. priced a primary offering of Senior Autocallable Contingent Coupon Barrier Notes with an Aggregate Principal Amount of $6,695,000. The notes have a February 19, 2031 maturity, pay a contingent monthly coupon of $8.42 when the worst-performing underlying exceeds its coupon barrier, are autocallable beginning on specified quarterly call observation dates, and are linked to the worst-performing of the Nasdaq-100, Russell 2000 and S&P 500 indices. The Issue Price is 100% of the $1,000 Stated Principal Amount and the issuer estimates an initial value of $986.60 per note. Purchase proceeds are for general corporate purposes and payments are subject to Jefferies’ credit risk.

Jefferies Financial Group Inc. is offering $1,000,000 Aggregate Principal Amount of Senior Autocallable Barrier Notes due February 19, 2031 linked to the worst-performing of the S&P 500®, Nasdaq-100® and Russell 2000® indices. The Notes pay annual autocallable Call Premiums if the Worst-Performing Underlying meets Call Values on specified Call Observation Dates; otherwise principal at maturity depends on the Worst-Performing Underlying versus its Threshold Value. All payments are unsecured and subject to Jefferies' credit risk.

Jefferies Financial Group Inc. priced $1,660,000 Senior Autocallable Contingent Coupon Barrier Notes due February 19, 2031 linked to the worst-performing of the Russell 2000® and the S&P 500®.

The notes were priced on February 13, 2026 with an original issue date of February 19, 2026. They pay a contingent monthly coupon of $7.58 when the Worst-Performing Underlying is at or above its Coupon Barrier on a Coupon Observation Date. The notes are autocallable beginning on monthly Call Observation Dates (first approximately thirteen months after pricing) at 100% Call Value and return the Stated Principal Amount if the Worst-Performing Underlying’s Final Value is at or above its Threshold Value on the Valuation Date. Initial Values: RTY 2,646.697, SPX 6,836.17; Coupon/Threshold Barriers: RTY 1,852.688, SPX 4,785.32. Estimated value at pricing: $975.70 per note. All payments are subject to issuer credit risk.

Jefferies Financial Group Inc. priced senior autocallable contingent coupon barrier notes due February 27, 2032 linked to the worst-performing of the Dow Jones Industrial Average®, the Nasdaq-100® and the Russell 2000®. The Notes have a $1,000 stated principal amount per Note and an Issue Price of $1,000 per Note.

The Notes pay a contingent quarterly coupon of $23.75 if the worst-performing underlying is at or above a 70% coupon barrier on the applicable quarterly observation date, are automatically callable if that underlying is at or above 100% of its initial value on a call observation date, and return principal at maturity only if the worst-performing underlying is at or above a 60% threshold; otherwise 1:1 downside applies. Payments are subject to Jefferies' credit risk and the pricing supplement states an estimated value on the pricing date of approximately $959.50 per Note.

Jefferies Financial Group Inc. is offering Senior Autocallable Notes with an Aggregate Principal Amount of $417,000. The Notes mature on February 19, 2030 and are linked to the worst-performing of the Russell 2000® and S&P 500® indices.

The Notes pay an annualized approximately 9.35% return if auto-called on scheduled Call Observation Dates; call payments range from $1,093.50 to $1,374.00 per $1,000 Note. If not called, holders face 1:1 downside to declines in the worst-performing underlying with up to 100% of principal at risk. All payments are unsecured and subject to Jefferies’ credit risk.

Jefferies Financial Group Inc. is offering Senior Autocallable Contingent Coupon Barrier Notes due February 27, 2032 linked to the worst-performing of the Dow Jones Industrial Average, the Nasdaq-100 and the Russell 2000. Each Note has a $1,000 stated principal amount and an issue price of $1,000 per Note.

The Notes pay a contingent quarterly coupon of $21.25 if the worst-performing underlying is at or above a 70% coupon barrier on each quarterly observation date, are autocallable beginning on the first annual call observation date if the worst-performing underlying is at or above 100% of its initial value, and pay principal at maturity only if the worst-performing underlying is at or above a 60% threshold; otherwise holders are exposed 1-for-1 to downside losses.