Page 1

( Mark One ) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Title of each class Common Stock , par value $ 0.01 Delaware ( State or other jurisdiction of incorporation or organization ) For the fiscal year ended December 31 , 2020 or Large accelerated filer Non - accelerated filer Commission File Number 001-37839 tpí 0 COMPOSITES to TPI Composites , Inc. ( Exact name of Registrant as specified in its charter ) 8501 N. Scottsdale Rd . Gainey Center II , Suite 100 Scottsdale , AZ 85253 ( 480 ) 305-8910 including zip code , and telephone number , ( Address , including area code , of Registrant's principal executive offices ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading symbol ( s ) TPIC Securities registered pursuant to Section 12 ( g ) of the Act : None 20-1590775 ( I.R.S. Employer Identification Number ) 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 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 NASDAQ Global Market 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 . 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 nursuant 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 Exchange Act ) . Yes No The aggregate market value of the shares of common stock held by non - affiliates of the Registrant , based on the closing price of the shares of common stock on June 30 , 2020 as reported by the NASDAQ Global Market on such date was approximately $ 708 million . Shares of the Registrant's common stock held by each executive officer , director and holder of 5 % or more of the outstanding common stock have been excluded in that such persons may be deemed to be affiliates . This calculation does not reflect a determination that certain persons are affiliates of the Registrant for any other purpose . As of January 29 , 2021 , the Registrant had 36,563,798 shares of common stock outstanding . Documents Incorporated by Reference Portions of the Registrant's Definitive Proxy Statement relating to the Annual Meeting of Stockholders , scheduled to be held on May 18 , 2021 , are incorporated by reference into Part III of this Report . ooooo