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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 Delaware Commission File No. 1-11442 CHART INDUSTRIES , INC . ( Exact name of registrant as specified in its charter ) State or other jurisdiction of incorporation or organization 34-1712937 ( I.R.S. Employer Identification No. ) Title of each class Common Stock , par value $ 0.01 3055 Torrington Drive , Ball Ground , Georgia 30107 ( Address of principal executive offices ) ( Zip Code ) Registrant's telephone number , including area code : ( 770 ) 721-8800 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) GTLS Securities registered pursuant to Section 12 ( g ) of the Act : None Name of each exchange on which registered New York Stock Exchange 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 □ 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 for 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 , 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 . Large accelerated filer Non - accelerated filer ☐ Accelerated filer Smaller reporting company 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 checkmark 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 Act ) . Yes ☐ The aggregate market value of the voting common equity held by non - affiliates computed by reference to the price of $ 48.49 per share at which the common equity was last sold , as of the last business day of the registrant's most recently completed second fiscal quarter , was $ 1,739,104,518 . As of February 22 , 2021 , there were 36,308,260 outstanding shares of the Company's common stock , par value $ 0.01 per share . DOCUMENTS INCORPORATED BY REFERENCE Portions of the following document are incorporated by reference into Part III of this Annual Report on Form 10 - K : the definitive Proxy Statement to be used in connection with the Registrant's Annual Meeting of Stockholders to be held on May 13 , 2021 ( the " 2021 Proxy Statement " ) . Except as otherwise stated , the information contained in this Annual Report on Form 10 - K is as of December 31 , 2020 .