Results of Operations

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): October 31, 2023   SONOCO PRODUCTS COMPANY   Commission File No. 001-11261   South Carolina 57-0248420 (State or other jurisdiction or 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 2.02      Results of Operations and Financial Condition. On October 31, 2023, Sonoco Products Company (the "Company") issued a news release reporting its financial results for the quarter ended October 1, 2023. A copy of that release is attached as an exhibit hereto. Item 9.01      Financial Statements and Exhibits. (d) Exhibits Exhibit No. Description of Exhibit 99 Registrant's 2023 Third Quarter Earnings Release 104 Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101) 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: October 31, 2023 By: /s/Robert R. Dillard Robert R. Dillard Chief Financial Officer