Shareholder Vote

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): April 15, 2026   SONOCO PRODUCTS COMPANY   Commission File No. 001-11261   South Carolina 57-0248420 (State or other jurisdiction of incorporation) (I.R.S. Employer Identification Number) 1 N. Second St. Hartsville , South Carolina 29550 (Address of principal executive offices)(Zip Code) Telephone: ( 843 ) 383-7000 (Registrant's telephone number, including area code) (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 pursuant to Section 13(a) of the Exchange Act. ☐ Item 5.07      Submission of Matters to a Vote of Security Holders The 2026 Annual Meeting of Shareholders of Sonoco Products Company (the "Company") was held on April 15, 2026. The following matters, as described more fully in the Company's definitive proxy statement filed with the U.S. Securities and Exchange Commission on March 13, 2026, were voted on by the shareholders at this meeting: (1)      Election of Directors . The following directors were elected: VOTES Term For Against Abstain Broker Non-Votes Steven L. Boyd 1 year 75,407,911 468,872 129,087 13,027,934 Scott A. Clark 1 year 75,303,642 574,130 128,098 13,027,934 R. Howard Coker 1 year 73,476,981 2,443,583 85,306 13,027,934 Dr. Pamela L. Davies 1 year 73,088,139 2,795,495 122,236 13,027,934 Theresa J. Drew 1 year 75,414,318 463,659 127,893 13,027,934 Philippe Guillemot 1 year 75,335,103 542,127 128,640 13,027,934 John R. Haley 1 year 73,096,497 2,779,900 129,473 13,027,934 Robert R. Hill, Jr. 1 year 74,241,603 1,636,518 127,749 13,027,934 Eleni Istavridis 1 year 74,845,285 836,708 323,877 13,027,934 Richard G. Kyle 1 year 72,912,183 2,965,184 128,503 13,027,934 Craig L. Nix 1 year 75,444,591 433,519 127,760 13,027,934 (2)      Ratification of Independent Registered Public Accounting Firm . The ratification of PricewaterhouseCoopers LLP as the independent registered public accounting firm of the Company for the fiscal year ending December 31, 2026 was approved. The shareholders voted 84,309,119 for and 4,636,237 against ratification, with 88,448 votes abstaining and no broker non-votes. (3)      Advisory (Non-binding) Resolution to Approve Executive Compensation . The advisory (non-binding) resolution on executive compensation was approved. The shareholders voted 72,039,107 for and 3,762,658 against the resolution, with 204,105 votes abstaining and 13,027,934 broker non-votes. (4)      Approval of Amendment No. 1 to 2024 Omnibus Incentive Plan . Amendment No. 1 to the 2024 Omnibus Incentive Plan was approved. The shareholders voted 72,489,095 for and 3,036,270 against the resolution, with 480,505 votes abstaining and 13,027,934 broker non-votes. (5)      Advisory (Non-binding) Shareholder Proposal Regarding Transparency in Political Spending . The advisory (non-binding) shareholder proposal regarding transparency in political spending was not approved. The shareholders voted 31,557,422 for and 42,656,683 against the resolution, with 1,791,765 votes abstaining and 13,027,934 broker non-votes. 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: April 16, 2026 By: /s/ Paul Joachimczyk Paul Joachimczyk Chief Financial Officer