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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 Delaware ( State or other jurisdiction of incorporation or organization ) Title of each class Common Stock , $ 0.01 par value Commission file number : 0-12255 10990 Roe Avenue , Overland Park , Kansas ( Address of principal executive offices ) to Yellow Corporation ( Exact name of registrant as specified in its charter ) Large accelerated filer Non - accelerated filer 48-0948788 ( I.R.S. Employer Identification No. ) 66211 ( Zip Code ) ( 913 ) 696-6100 ( Registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) YELL per share Securities registered pursuant to Section 12 ( g ) of the Act : NONE Name of each exchange on which registered The NASDAQ Stock Market LLC Indicate by check mark if the registrant is a well - known seasoned issuer as defined in Rule 405 of the Securities Act . Yes No X Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15 ( d ) of the Exchange Act . Yes 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 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 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 . 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 Exchange Act ) . Yes No As of June 30 , 2020 , the aggregate market value of the registrant's common stock held by non - affiliates of the registrant was $ 63.1 million based on the closing price as reported on the NASDAQ Global Select Market . Indicate the number of shares outstanding of each of the issuer's classes of common stock , as of the latest practicable date . Class Common Stock , $ 0.01 par value per Outstanding at February 5 , 2021 51,179,777 shares share DOCUMENTS INCORPORATED BY REFERENCE Pursuant to General Instruction G to Form 10 - K , information required by Part III of this Form 10 - K , either is incorporated herein by reference to a definitive proxy statement filed with the SEC no later than 120 days after the end of the fiscal year covered by this Form 10 - K or will be included in an amendment to this Form 10 - K filed with the SEC no later than 120 days after the end of the fiscal year covered by this Form 10 - K .