Page 1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31 , 2020 or TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to SONOCO PRODUCTS COMPANY Incorporated under the laws of South Carolina Commission File No. 001-11261 Title of each class No par value common stock 1 N. Second St. Hartsville , South Carolina 29550 Telephone : 843 / 383-7000 I.R.S. Employer Identification No. 57-0248420 Securities registered pursuant to Section 12 ( b ) of the Act : Trading symbol SON Name of exchange on which registered New York Stock Exchange , LLC Securities registered pursuant to Section 12 ( g ) of the Act : None Yes > No Yes No 区 Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes > No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T ( §232.405 of this chapter ) during the preceding 12 months ( or such shorter period that the registrant was required to submit such files ) . Yes > No Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , smaller reporting company , or an emerging growth company . See the definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . Large accelerated filer Accelerated filer Non - accelerated filer Smaller reporting company 0 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 . Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act ( 15 U.S.C.7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report . No | Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Yes □ The aggregate market value of voting common stock held by nonaffiliates of the registrant ( based on the New York Stock Exchange closing price ) on June 26 , 2020 , which was the last business day of the registrant's most recently completed second fiscal quarter , was $ 4,970,585,703 . Registrant does not ( and did not at June 26 , 2020 ) have any non - voting common stock outstanding . As of February 12 , 2021 , there were 100,469,305 shares of no par value common stock outstanding . DOCUMENTS INCORPORATED BY REFERENCE Portions of the Proxy Statement for the annual meeting of shareholders to be held on April 21 , 2021 , which statement shall be filed with the Securities and Exchange Commission within 120 days after the end of the fiscal year to which this Report relates , are incorporated by reference in Part III .