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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 Commission File Number 1-1687 PPG PPG INDUSTRIES , INC . ( Exact name of registrant as specified in its charter ) Pennsylvania ( State or other jurisdiction of incorporation or organization ) One PPG Place Pittsburgh Pennsylvania ( Address of principal executive offices ) Registrant's telephone number , including area code : Securities Registered Pursuant to Section 12 ( b ) of the Act : Title of each class Common Stock - Par Value $ 1.66 2/3 0.875 % Notes due 2022 0.875 % Notes due 2025 1.400 % Notes due 2027 Trading Symbol ( s ) . PPG PPG 22 PPG 25 PPG 27 25-0730780 ( I.R.S. Employer Identification No. ) X No 区 No | 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 □ 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 □ 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 , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes > No 15272 ( Zip code ) 412 434-3131 Indicate by checkmark whether the registrant has submitted electronically every Interactive Date File required to be submitted and posted pursuant to Rule 405 of Regulation S - T ( §232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit and post such files ) . Yes > No ■ Name of each exchange on which registered New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange 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 . ( Check one ) : Large accelerated filer Non - accelerated filer ( Do not check if a smaller reporting 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 . Document Portions of PPG Industries , Inc. Proxy Statement for its 2021 Annual Meeting of Shareholders Accelerated filer Smaller reporting company Emerging growth company 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 by Rule 12b - 2 of the Act ) . Yes □ The aggregate market value of common stock held by non - affiliates as of June 30 , 2020 , was $ 25,002 million . As of January 31 , 2021 , 236,788,855 shares of the Registrant's common stock , with a par value of $ 1.66 2/3 per share , were outstanding . As of that date , the aggregate market value of common stock held by non - affiliates was $ 31,863 million . DOCUMENTS INCORPORATED BY REFERENCE Incorporated By Reference In Part No. ||| 2020 PPG ANNUAL REPORT AND FORM 10 - K 1