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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 X Delaware ( State or other jurisdiction of incorporation or organization ) Title of each class Common Stock , par value $ 0.10 Common Stock , par value $ 0.10 VAALCO Energy , Inc. ( Exact name of registrant as specified on its charter ) Commission file number : 1-32167 9800 Richmond Avenue Suite 700 Houston , Texas 77042 ( Address of principal executive offices ) ( Zip Code ) ( Registrant's telephone number , including area code ) : ( 713 ) 623-0801 Securities registered under Section 12 ( b ) of the Exchange Act : Trading Symbol ( s ) EGY EGY 76-0274813 ( I.R.S. Employer Identification No. ) Accelerated filer Name Securities registered under Section 12 ( g ) of the Exchange Act : None No x No x 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 15d 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 . Yeş x No " of each exchange on which registered New York Stock Exchange London Stock Exchange 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 x 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 . Non - accelerated filer x Large accelerated filer 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 . ** Smaller reporting company x 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 As of June 30 , 2020 , the aggregate market value of the voting and non - voting common equity of the registrant held by non - affiliates was approximately $ 64.5 million based on a closing price of $ 1.24 on June 30 , 2020 . As of February 28 , 2021 , there were outstanding 57,663,188 shares of common stock , $ 0.10 par value per share , of the registrant . Documents incorporated by reference : Portions of the definitive Proxy Statement of VAALCO Energy , Inc. relating to the Annual Meeting of Stockholders to be filed within 120 days after the end of the fiscal year covered by this Form 10 - K , which are incorporated into Part III of this Form 10 - K .