Executive Change · Reg FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549     FORM 8-K     CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 31, 2025     NATIONAL FUEL GAS COMPANY (Exact name of registrant as specified in its charter)       New Jersey   1-3880   13-1086010 (State or other jurisdiction of incorporation)   (Commission File Number)   (IRS Employer Identification No.) 6363 Main Street , Williamsville , New York 14221 (Address of principal executive offices) (Zip Code) Registrant’s telephone number, including area code: (716) 857-7000 Former name or former address, if changed since last report: Not Applicable     Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions ( see General Instruction A.2. below):     ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)     ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)     ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))     ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act:   Title of each class   Trading Symbol   Name of Each Exchange on Which Registered Common Stock, par value $1.00 per share   NFG   New York Stock Exchange Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company  ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐       Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On March 31, 2025, Donna L. DeCarolis, President of National Fuel Gas Distribution Corporation, provided notice to National Fuel Gas Company of her intention to retire, effective July 1, 2025.   Item 7.01 Regulation FD Disclosure. A copy of the Company’s press release dated April 3, 2025 regarding the Company’s management change is furnished as part of this Current Report as Exhibit 99. The information contained in Item 7.01 of this Current Report, and in the exhibit attached hereto, is being furnished and shall not be deemed to be filed for the purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”), or incorporated by reference into any filing under the Securities Act of 1933 or the Exchange Act, unless such subsequent filing specifically references this Form 8-K. Neither the furnishing of the press release as an exhibit to this Current Report nor the inclusion in such press release of any reference to the Company’s internet address shall, under any circumstances, be deemed to incorporate the information available at such internet address into this Current Report.   Item 9.01 Financial Statements and Exhibits.     (d) Exhibits   Exhibit 99    Press release furnished regarding management change Exhibit 104    Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.       NATIONAL FUEL GAS COMPANY April 3, 2025     By:   /s/ Kenneth E. Webster       Kenneth E. Webster       Assistant Secretary