Reg FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): June 1, 2026 NEW JERSEY RESOURCES CORPORATION (Exact Name of registrant as specified in its charter) New Jersey 001-08359 22-2376465 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.) 1415 Wyckoff Road     Wall , New Jersey   07719 (Address of Principal Executive Offices)   (Zip Code) ( 732 ) 938-1480 (Registrant’s telephone number, including area code) 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: ☐ 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(s) Name of each exchange on which registered Common Stock - $2.50 par value NJR 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 7.01 Regulation FD Disclosure.   Today, New Jersey Natural Gas Company (“NJNG”) issued a press release announcing it submitted its base rate case, annual Basic Gas Supply Service (BGSS), Conservation Incentive Program (CIP), and Energy Efficiency filings with the New Jersey Board of Public Utilities on June 1, 2026 (the “Press Release”), and published an investor fact sheet summarizing the base rate case filing (the “Investor Fact Sheet”). A copy of the Press Release and Investor Fact Sheet are attached hereto as Exhibit 99.1 and Exhibit 99.2, respectively. The information in Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1 and Exhibit 99.2, is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section and shall not be deemed to be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended. Item 9.01 Financial Statements and Exhibits. (d) Exhibits. Exhibit Number   Exhibit 99.1   Press Release dated June 1, 2026 (furnished, not filed) 99.2   Investor Fact Sheet (furnished, not filed) 104   Cover page in Inline XBRL format SIGNATURE 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.   NEW JERSEY RESOURCES CORPORATION       Date: June 1, 2026 By: /s/ Roberto F. Bel     Roberto F. Bel     Senior Vice President and Chief Financial Officer