Other Events. On July 15, 2026, Jefferies Financial Group Inc. (the “Company”) consummated the previously announced public offering (the “Offering”) of €850,000,000 aggregate principal amount of 4.500% Senior Notes due 2033 (the “Notes”). The Notes were registered under the Company’s Shelf Registration Statement on Form S-3, as amended (File No. 333-295759) and were issued pursuant to the Company’s Indenture (the “Indenture”), dated as of October 18, 2013, between the Company and The Bank of…

Results of Operations and Financial Condition On June 24, 2026 , we issued a press release containing financial results for our quarter and six months ended May 31, 2026. A copy of the press release is attached hereto as Exhibit 99 and is incorporated herein by reference. The information provided in this Item 2.02, including the exhibits hereto, is intended to be “furnished” and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities…

Other Events. On April 23, 2026, Jefferies Financial Group Inc. (the “Company”) entered into a purchase agreement (the “Purchase Agreement”) with Jefferies LLC and SMBC Nikko Securities America, Inc., as representatives of the several underwriters identified in Schedule A to the Purchase Agreement, whereby the Company agreed to issue and sell to the underwriters $1,100,000,000 aggregate principal amount of its 5.125% Senior Notes due 2031 (the “Notes”). The Notes were registered under the Com…

Other Events. On April 23, 2026, Jefferies Financial Group Inc. issued a press release (the “Pricing Press Release”) announcing the pricing of its public offering of $1,100,000,000 aggregate principal amount of 5.125% Senior Notes due 2031. A copy of the Pricing Press Release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Results of Operations and Financial Condition On March 25, 2026 , we issued a press release containing financial results for our quarter ended February 28, 2026. A copy of the press release is attached hereto as Exhibit 99 and is incorporated herein by reference. The information provided in this Item 2.02, including the exhibits hereto, is intended to be “furnished” and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that…

Regulation FD Disclosure On February 11, 2026, Jefferies Financial Group Inc. (the “Company” or “we”) issued a press release announcing that Mr. Hyakutome has been identified by Sumitomo Mitsui Financial Group, Inc. and its wholly owned subsidiary Sumitomo Mitsui Banking Corporation (collectively, “SMBC Group”) as a candidate to be a member of Jefferies Board of Directors, replacing Toru Nakashima, CEO of SMBC Group. Mr. Nakashima has served as a board member since August 2024, upon SMBC Grou…

Other Events. On January 13, 2026, Jefferies Financial Group Inc. (the “Company”) entered into a purchase agreement (the “Purchase Agreement”) with Jefferies LLC and SMBC Nikko Securities America, Inc., as representatives of the several underwriters identified in Schedule A to the Purchase Agreement, whereby the Company agreed to issue and sell to the underwriters $1,500,000,000 aggregate principal amount of its 5.500% Senior Notes due 2036 (the “Notes”). The Notes were registered under the C…

Other Events. On January 13, 2026, Jefferies Financial Group Inc. issued a press release (the “Pricing Press Release”) announcing the pricing of its public offering of $1,500,000,000 aggregate principal amount of 5.500% Senior Notes due 2036. A copy of the Pricing Press Release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Results of Operations and Financial Condition On January 7, 2026 , we issued a press release containing financial results for our quarter and year ended November 30, 2025. A copy of the press release is attached hereto as Exhibit 99 and is incorporated herein by reference. The information provided in this Item 2.02, including the exhibits hereto, is intended to be “furnished” and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilitie…

Other Events. On December 5, 2025, Leucadia Asset Management Holdings LLC (“LAM Holdings”), a wholly owned subsidiary of Jefferies Financial Group Inc. (the “Company”), entered into a Contribution and Subscription Agreement (the “CSA”) with Hildene Holding Company, LLC (“HHC”), the parent of Hildene Capital Management, LLC and its affiliates (“Hildene”). Overview of Transactions. The CSA provides for certain transactions (collectively, the “Transactions”) under which (i) Jefferies will subscr…

of this Current Report on Form 8-K and Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing, except as shall be expressly se…

Results of Operations and Financial Condition On September 29, 2025 , we issued a press release containing financial results for our quarter and nine months ended August 31, 2025. A copy of the press release is attached hereto as Exhibit 99 and is incorporated herein by reference. The information provided in this Item 2.02, including the exhibits hereto, is intended to be “furnished” and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the li…

Other Items Alliance Expansion Announcement On September 19, 2025, the Company and SMBC issued a joint press release announcing a further expansion and strengthening of the Alliance. A copy of the press release is attached hereto as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated by reference herein. Memorandum of Understanding for Japan Wholesale Equities Business On September 19, 2025 the Company and certain of its affiliates entered into a memorandum of understanding (t…

Material Modification to Rights of Security Holders The information set forth in

Entry Into a Material Definitive Agreement As previously disclosed on a Current Report on Form 8-K filed with the Securities and Exchange Commission (the “ SEC ”) on April 27, 2023 (the “ Prior Form 8-K ”), on April 27, 2023, Jefferies Financial Group Inc. (the “ Company ”) entered into an Exchange Agreement (the “ Exchange Agreement ”) with Sumitomo Mitsui Banking Corporation, a joint stock company incorporated in Japan (“ SMBC ”), in connection with the expansion and strengthening of the Co…

of the Current Report on Form 8-K filed by the Company on September 19, 2025, is incorporated by reference into this

Results of Operations and Financial Condition On June 25, 2025 , we issued a press release containing financial results for our quarter and six months ended May 31, 2025. A copy of the press release is attached hereto as Exhibit 99 and is incorporated herein by reference. The information provided in this Item 2.02, including the exhibits hereto, is intended to be “furnished” and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities…

Results of Operations and Financial Condition On March 26, 2025 , we issued a press release containing financial results for our quarter ended February 28, 2025. A copy of the press release is attached hereto as Exhibit 99 and is incorporated herein by reference. The information provided in this Item 2.02, including the exhibits hereto, is intended to be “furnished” and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that…

Results of Operations and Financial Condition On January 8, 2025 , we issued a press release containing financial results for our quarter and year ended November 30, 2024. A copy of the press release is attached hereto as Exhibit 99 and is incorporated herein by reference. The information provided in this Item 2.02, including the exhibits hereto, is intended to be “furnished” and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilitie…

Results of Operations and Financial Condition On September 25, 2024 , we issued a press release containing financial results for our quarter and nine months ended August 31, 2024. A copy of the press release is attached hereto as Exhibit 99 and is incorporated herein by reference. The information provided in this Item 2.02, including the exhibits hereto, is intended to be “furnished” and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the li…

Director — Toru Nakashima: The filing discloses the election of a new director nominated by a strategic partner (SMBC) as part of a pre-agreed alliance, which is a routine board composition change rather than an executive departure.

Results of Operations and Financial Condition On June 26, 2024 , we issued a press release containing financial results for our quarter and six months ended May 31, 2024. A copy of the press release is attached hereto as Exhibit 99 and is incorporated herein by reference. The information provided in this Item 2.02, including the exhibits hereto, is intended to be “furnished” and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities…

Other Events. On April 11, 2024, Jefferies Financial Group Inc. (the “Company”) entered into a purchase agreement (the “Purchase Agreement”) with Jefferies LLC and SMBC Nikko Securities America, Inc., as representatives of the several underwriters identified in Schedule A to the Purchase Agreement, whereby the Company agreed to issue and sell to the underwriters $1,500,000,000 aggregate principal amount of its 6.200% Senior Notes due 2034 (the “Notes”). The Notes were registered under the Com…

Other Events. On April 11, 2024, Jefferies Financial Group Inc. issued a press release (the “Euro Pricing Press Release”) announcing the pricing of its unregistered offerings of (i) €750,000,000 aggregate principal amount of 3.875% Fixed Rate Senior Unsecured Notes due 2026 and (ii) €500,000,000 aggregate principal amount of 4.000% Fixed Rate Senior Unsecured Notes due 2029. A copy of the Euro Pricing Press Release is attached hereto as Exhibit 99.1, and is incorporated herein by reference. O…

The filing describes an amendment to the equity compensation plan to increase authorized shares, which is a non-management matter mis-filed under Item 5.02.