Material Agreement · New Debt / Obligation

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 11, 2025     NUCOR CORPORATION (Exact name of registrant as specified in its charter)       Delaware   1-4119   13-1860817 (State or other jurisdiction of incorporation)   (Commission File Number)   (IRS Employer Identification No.)   1915 Rexford Road Charlotte , North Carolina     28211 (Address of principal executive offices)     (Zip Code) Registrant’s telephone number, including area code: (704) 366-7000 Not Applicable (Former name or former address, if changed since last report.)     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, par value $0.40 per share   NUE   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 1.01. Entry into a Material Definitive Agreement. On March 11, 2025, Nucor Corporation (the “Company”) entered into the Fifth Amended and Restated Multi-Year Revolving Credit Agreement (the “Fifth A&R Revolving Credit Facility”) with Bank of America, N.A., as administrative agent, and the lenders party thereto to, among other things, increase the borrowing capacity from $1.75 billion to $2.25 billion and extend the maturity date to March 11, 2030. The foregoing summary of the Fifth A&R Revolving Credit Facility described above does not purport to be complete and is qualified in its entirety by reference to the full text of such document, a copy of which is filed as Exhibit 10.1 hereto, and is incorporated herein by reference.   Item 2.03. Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information set forth under Item 1.01 is incorporated by reference into this Item 2.03.   Item 9.01. Financial Statements and Exhibits.     (d) Exhibits   10.1    Fifth Amended and Restated Multi-Year Revolving Credit Agreement, dated as of March 11, 2025, by and among Nucor Corporation, Bank of America, N.A., as administrative agent, and the lenders party thereto 104    Cover Page from this Current Report on Form 8-K, formatted in Inline XBRL (included in Exhibit 101) 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.       NUCOR CORPORATION Date: March 17, 2025     By:   /s/ Stephen D. Laxton       Stephen D. Laxton       Chief Financial Officer and Executive Vice President