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Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 Form 10 - K X 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 Delaware ( State or other jurisdiction of incorporation or organization ) Title of Each Class Common Units Commission file number 1-12295 GENESIS ENERGY , L.P. ( Exact name of registrant as specified in its charter ) 919 Milam , Suite 2100 , Houston , TX dress of principal executive offices ) Registrant's telephone number , including area code : ( 713 ) 860-2500 76-0513049 ( I.R.S. Employer Identification No. ) Large accelerated filer Non - accelerated filer Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) . GEL X 77002 ( Zip code ) 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 x No o 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 o No x 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 x No o Name of Each Exchange on Which Registered NYSE Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted and posted 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 and post such files ) . Yes x No o 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 pursuant to Section 13 ( a ) of the Exchange Act . o 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 . X Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 ) of the Act ) . Yes The aggregate market value of the Class A common units held by non - affiliates of the Registrant on June 30 , 2020 ( the last business day of Registrant's most recently completed second fiscal quarter ) was approximately $ 755.4 million based on $ 7.22 per unit , the closing price of the common units as reported on the NYSE . For purposes of this computation , all executive officers , directors and 10 % owners of the registrant are deemed to be affiliates . Such a determination should not be deemed an admission that such executive officers , directors and 10 % beneficial owners are affiliates . On March 1 , 2021 , the Registrant had 122,539,221 Class A Common Units and 39,997 Class B Common Units outstanding . No X