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Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , D.C. 20549 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 : 814-00754 Maryland ( State of Incorporation ) FORM 10 - K 500 Park Avenue New York , N.Y. ( Address of principal executive offices ) Title of Each Class Common Stock , par value $ 0.01 per share ΤΟ SOLAR CAPITAL LTD . ( Exact name of registrant as specified in its charter ) 26-1381340 ( I.R.S. Employer Identification Number ) Registrant's telephone number , including area code : ( 212 ) 993-1670 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol SLRC Securities registered pursuant to Section 12 ( g ) of the Act : None 10022 ( Zip Code ) Name of Each Exchange on Which Registered The NASDAQ Global Select Market No 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 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 T 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 . Yes No 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 common stock held by non - affiliates of the Registrant on June 30 , 2020 based on the closing price on that date of $ 16.01 on the NASDAQ Global Select Market was approximately $ 631.3 million . For the purposes of calculating this amount only , all directors and executive officers of the Registrant have been treated as affiliates . There were 42,260,826 shares of the Registrant's common stock outstanding as of February 23 , 2021 .