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): February 10, 2026   SONOCO PRODUCTS COMPANY (Exact name of registrant as specified in its charter)   South Carolina 001-11261 57-0248420 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)   1 N. Second St. Hartsville , South Carolina 29550 (Address of principal executive offices) (Zip Code)   ( 843 ) 383-7000 (Registrant’s telephone number, including area code)   N/A (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 No par value common stock SON 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 February 10, 2026, upon the recommendation of its Corporate Governance and Nominating Committee, the Board of Directors (the “Board”) of Sonoco Products Company (the “Company”) appointed Craig L. Nix to the Board. Mr. Nix has been appointed to serve on the Audit Committee and the Financial Policy Committee of the Board, is an independent member of the Board and will stand for election at the Company’s 2026 Annual General Meeting.   Mr. Nix will receive compensation as a non-employee director in accordance with the Company’s non-employee director compensation practices described in “Proposal 1: Election of Directors – Director Compensation” of the Company’s Annual Proxy Statement filed with the U.S. Securities and Exchange Commission on March 14, 2025. There are no arrangements or understandings with any other person pursuant to which Mr. Nix was elected to the Board. Mr. Nix has no direct or indirect material interest in any transaction required to be disclosed by the Company pursuant to Item 404(a) of Regulation S-K.   Item 7.01 Regulation FD Disclosure.   On February 12, 2026 the Company issued a press release announcing the appointment of Mr. Nix to the Board. A copy of the press release is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.   The information furnished pursuant to Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1 hereto, shall not be deemed to be “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, and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended, or the Exchange Act, except as may be expressly set forth by specific reference in such filing.   Forward-Looking Statements   Certain statements made in this Current Report on Form 8-K and Exhibit 99.1 hereto are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Words such as “next” and “will” or the negative thereof, and similar expressions identify forward-looking statements.   Forward-looking statements in this Current Report on Form 8-K and Exhibit 99.1 hereto include, but are not limited to, statements regarding expectations for the Company’s board refreshment process. These forward-looking statements are made based on current expectations, estimates and projections about the Company’s industry, management’s beliefs and certain assumptions made by management. Such information includes, without limitation, discussions as to guidance and other estimates, perceived opportunities, expectations, beliefs, plans, strategies, goals and objectives concerning the Company’s future financial and operating performance. These statements are not guarantees of future performance and are subject to certain risks, uncertainties and assumptions that are difficult to predict.         Therefore, actual results may differ materially from those expressed or forecasted in such forward-looking statements. Risks and uncertainties include, among other things, risks related to the Company’s ability to execute on its strategy, including with respect to portfolio simplification, organizational streamlining, and capital investments, and achieve the benefits it expects therefrom, and the other risks, uncertainties and assumptions discussed in the Company’s filings with the Securities and Exchange Commission, including its most recent reports on Forms 10-K and 10-Q, particularly under the heading “Risk Factors.” Except as required by applicable law, the Company undertakes no obligation to publicly update or revise forward-looking statements, whether as a result of new information, future events or otherwise. In light of these risks, uncertainties and assumptions, the forward-looking events discussed herein might not occur.   Item 9.01 Financial Statements and Exhibits.   (d) Exhibits   Exhibit No.   Description of Exhibit 99.1   Press Release of Sonoco Products Company, dated February 12, 2026. 104   Cover Page Interactive Data File (embedded within the Inline XBRL document).         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.     SONOCO PRODUCTS COMPANY       Date: February 12, 2026 By: /s/ John M. Florence, Jr.     John M. Florence, Jr.     General Counsel, Secretary and Vice President