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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 Commission File Number 001-37894 FULGENT GENETICS , INC . ( Exact name of registrant as specified in its charter ) Delaware ( State or other jurisdiction of incorporation or organization ) 4978 Santa Anita Avenue Temple City , CA ( Address of principal executive offices ) to Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class Common Stock , par value $ 0.0001 per share 81-2621304 ( I.R.S. Employer Identification No. ) 91780 ( Zip Code ) Registrant's telephone number , including area code : ( 626 ) 350-0537 Name of each exchange on which registered The Nasdaq Stock Market ( Nasdaq Global Market ) 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 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 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 voting and non - voting common equity held by non - affiliates as of June 30 , 2020 ( computed by reference to the price at which the registrant's common stock was last sold on such date , the last business day of the registrant's most recently completed second fiscal quarter , as reported by the Nasdaq Global Market ) was approximately $ 191.3 million . For purposes of this calculation , it has been assumed that all shares of the registrant's common stock held by directors , executive officers and persons beneficially owning 10 % or more of the registrant's common stock are held by affiliates ; however , the treatment of these persons as affiliates for purposes of this calculation is not , and shall not be considered , a determination as to whether such persons are affiliates of the registrant for any other purpose . As of March 1 , 2021 , there were 28,874,395 outstanding shares of the registrant's common stock . DOCUMENTS INCORPORATED BY REFERENCE Certain portions of the registrant's definitive proxy statement for its 2021 annual meeting of stockholders are incorporated by reference in Part III of this report .