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Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K 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 001-34504 ADDUS HOMECARE CORPORATION ( Exact name of registrant as specified in its charter ) Delaware ( State or other jurisdiction of incorporation or organization ) 6303 Cowboys Way , Suite 600 Frisco , TX ( Address of principal executive offices ) Title of each class Common Stock , $ 0.001 par value to Large Accelerated Filer Non - Accelerated Filer 469-535-8200 ( Registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( b ) of the Act : Name Trading Symbol ( s ) ADUS Securities registered pursuant to Section 12 ( g ) of the Act : None X ☐ 20-5340172 ( I.R.S. Employer Identification 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 Exchange Act . Yes No X. 75034 ( Zip Code ) of each exchange on which registered The Nasdaq Global Market 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 ( § 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 No No X. 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 . As of February 19 , 2021 , there were 15,826,284 shares of common stock outstanding . Accelerated Filer Smaller Reporting Company Emerging Growth Company ooo 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 Act ) Yes No The aggregate market value of the voting and non - voting common stock held by non - affiliates of the registrant , based on the last sale price on The Nasdaq Global Market on June 30 , 2020 ( the last business day of the registrant's most recently completed second fiscal quarter ) was approximately $ 1,335,406,000 . DOCUMENTS INCORPORATED BY REFERENCE Certain portions of the registrant's Definitive Proxy Statement for its 2021 Annual Meeting of Stockholders ( which is expected to be filed with the Commission within 120 days after the end of the registrant's 2020 fiscal year ) are incorporated by reference into Part III of this Annual Report on Form 10 - K .