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Table of Contents 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 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from State of Indiana ( State or other jurisdiction of incorporation or organization ) 9200 West 108th Circle Westminster , Colorado ( Address of registrant's principal executive office ) Title of each class Common Stock , without par value Commission File Number 001-07349 Ball Corporation to Registrant's telephone number , including area code : ( 303 ) 469-3131 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol BLL 35-0160610 ( I.R.S. Employer Identification No. ) Class 80021 ( Zip Code ) Securities registered pursuant to Section 12 ( g ) of the Act : NONE Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . YES NO Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . YES NO 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 Name of each exchange on which registered New York Stock Exchange 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 during the preceding 12 months . YES > NO □ Common Stock , without par value Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a 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 . Accelerated filer Smaller reporting company Non - accelerated filer Large accelerated filer 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 . Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Act ) . YES NO The aggregate market value of voting stock held by non - affiliates of the registrant was $ 22.7 billion based upon the closing market price and common shares outstanding as of June 30 , 2020 . Number of shares and rights outstanding as of the latest practicable date . Outstanding at February 15 , 2021 327,926,616 shares DOCUMENTS INCORPORATED BY REFERENCE 1. Proxy statement to be filed with the Commission within 120 days after December 31 , 2020 , to the extent indicated in Part III .