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Table of Contents 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 to Commission File Number 0-18592 AMERIT MEDICAL MERIT MEDICAL SYSTEMS , INC . ( Exact name of registrant as specified in its charter ) Utah ( State or other jurisdiction of incorporation or organization ) Title of each class Common Stock , no par value 87-0447695 ( IRS Employer Identification No. ) 1600 West Merit Parkway , South Jordan , Utah 84095 ( Address of principal executive offices , including zip code ) Registrant's telephone number , including area code : ( 801 ) 253-1600 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol MMSI Name of exchange on which registered NASDAQ Global Select Market 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 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 and posted 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 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 Non - Accelerated Filer Emerging Growth Company 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 . Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Yes No The aggregate market value of the registrant's common stock held by non - affiliates of the registrant on June 30 , 2020 , based upon the closing price of the common stock as reported by the NASDAQ Global Select Market on such date , was approximately $ 2.5 billion . As of February 24 , 2021 , the registrant had 55,690,669 shares of common stock outstanding . DOCUMENTS INCORPORATED BY REFERENCE Portions of the following document are incorporated by reference in Part III of this Report : the registrant's definitive proxy statement relating to our 2021 Annual Meeting of Shareholders .