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( 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 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 Form 10 - K Delaware ( State or other jurisdiction of incorporation or organization ) TRANSITION REPORT PURSUANT TO SECTION 13 or 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from 300 Continental Drive ( Address of principal executive offices ) Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class Common stock , par value $ .20 per share Floating Rate Non - Cumulative Preferred Stock , Series B , par value $ .20 per share to or Large accelerated filer Non - accelerated filer Emerging growth company Commission file number 001-13251 SLM Corporation ( Exact Name of Registrant as Specified in Its Charter ) Newark , ( 302 ) 451-0200 ( Registrant's Telephone Number , Including Area Code ) ( Former name , former address and former fiscal year , if changed since last report ) Delaware Trading Symbol ( s ) SLM SLMBP 52-2013874 ( I.R.S. Employer Identification No. ) 19713 ( Zip Code ) Securities registered pursuant to Section 12 ( g ) of the Act : None Yes No Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15 ( d ) 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 . Yes No Name of each exchange on which registered The NASDAQ Global Select Market The NASDAQ Global Select Market ( Do not check if a smaller reporting company ) 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 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 . ( Check one ) : Accelerated filer Smaller reporting 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 . » No Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Yes The aggregate market value of voting common stock held by non - affiliates of the Registrant as of June 30 , 2020 was $ 2.6 billion ( based on closing sale price of $ 7.03 per share as reported for the NASDAQ Global Select Market ) . As of January 31 , 2021 , there were 363,671,446 shares of common stock outstanding . DOCUMENTS INCORPORATED BY REFERENCE Portions of the proxy statement relating to the Registrant's 2021 Annual Meeting of Stockholders are incorporated by reference into Part III of this Annual Report on Form 10 - K .