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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_ to BENCHMARK ELECTRONICS , INC . ( Exact name of registrant as specified in its charter ) Texas ( State or other jurisdiction of incorporation or organization ) Commission File Number 1-10560 Title of each class Common Stock , par value $ 0.10 per share 56 South Rockford Drive Tempe , Arizona 85281 ( 623 ) 300-7000 74-2211011 ( I.R.S. Employer Identification Number ) ( Address , including zip code , and telephone number , including area code , of principal executive offices ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol BHE 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 , Inc. 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 ( 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 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 As of June 30 , 2020 , the number of outstanding common shares was 36,460,944 . As of such date , the aggregate market value of the common shares held by non - affiliates , based on the closing price of the common shares on the New York Stock Exchange on such date , was approximately $ 0.8 billion . As of February 25 , 2021 , there were 36,326,722 common shares of Benchmark Electronics , Inc. , par value $ 0.10 per share , outstanding . Documents Incorporated by Reference : Portions of the Company's Proxy Statement for the 2021 Annual Shareholders Meeting are incorporated herein by reference ( Part III , Items 10-14 ) . 000