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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 Commission file number : 001-31321 Title of each class Common Stock , no par value Washington ( State or other jurisdiction of incorporation or organization ) ΤΟ NAUTILUS , INC . ( Exact name of Registrant as specified in its charter ) 17750 S.E. 6th Way Vancouver , Washington 98683 ( Address of principal executive offices , including zip code ) ( 360 ) 859-2900 ( Registrant's telephone number , including area code ) 94-3002667 ( I.R.S. Employer Identification No. ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) NLS Name of each exchange on which registered New York Stock Exchange 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 [ ] No [ x ] 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 [ 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 [ ] 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 [ x ] 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 [ ] Accelerated Filer [ x ] Non - 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 . > No [ 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 voting and non - voting common equity held by non - affiliates computed by reference to the last sales price ( $ 9.27 ) as reported on the New York Stock Exchange as of the last business day of the registrant's most recently completed second fiscal quarter ( June 30 , 2020 ) was $ 273,256,935 . The number of shares outstanding of the registrant's common stock as of February 22 , 2021 was 30,339,437 shares . Documents Incorporated by Reference The registrant has incorporated by reference into Part III of this Form 10 - K portions of its Proxy Statement for its 2021 Annual Meeting of Shareholders , which will be filed within 120 days after the end of the fiscal year covered by this Form 10 - K . Except with respect to information specifically incorporated by reference in this Form 10 - K , the Proxy Statement shall not be deemed to be filed as part hereof .