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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K ( Mark One ) 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 Michigan ( State or other jurisdiction of incorporation or organization ) GENTHERM INCORPORATED ( Exact name of registrant as specified in its charter ) 21680 Haggerty Road , Northville , MI ( Address of principal executive offices ) to Title of each class Common Stock , no par value Commission file number 0-21810 Registrant's telephone number , including area code : ( 248 ) 504-0500 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol THRM Securities registered pursuant to Section 12 ( g ) of the Act : None 95-4318554 ( I.R.S. Employer Identification No. ) 48167 ( Zip Code ) Name of each exchange on which registered Nasdaq No □ No 区 Indicate by check mark whether 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 ( 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 , 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 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 the registrant's Common Stock held by non - affiliates of the registrant , computed by reference to the closing price of such Common Stock on The Nasdaq Global Select Market as of the last business day of the registrant's most recently completed second fiscal quarter , June 30 , 2020 , was $ 1,264,214,873 . For purposes of this computation , the registrant has excluded the market value of all shares of its Common Stock reported as being beneficially owned by executive officers and directors ; such exclusion shall not , however , be deemed to constitute an admission that any such person is an " affiliate " of the registrant . As of February 26 , 2021 , there were 32,944,198 issued and outstanding shares of Common Stock of the registrant . DOCUMENTS INCORPORATED BY REFERENCE Portions of the proxy statement for the 2021 annual meeting of shareholders are incorporated by reference into Part III of this Report to the extent described herein .