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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 Commission file number : 001-38071 NCS Multistage Holdings , Inc. ( Exact name of registrant as specified in its charter ) Delaware ( State or other jurisdiction of incorporation or organization ) 19350 State Highway 249 , Suite 600 Houston , Texas ( Address of principal executive offices ) to Title of each class Common Stock , $ 0.01 par value Large accelerated filer Non - accelerated filer 77070 ( Zip Code ) Registrant's telephone num including area code : ( 281 ) 453-2222 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) NCSM 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 46-1527455 ( IRS Employer Identification number ) Name of each exchange on which registered NASDAQ Capital Market 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 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 . 98 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 . Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Act ) . Yes No As of June 30 , 2020 , the aggregate market value of the common stock of the registrant held by non - affiliates of the registrant was approximately $ 7.6 million ( based on the closing sale price of the registrant's common stock on that date ) . As of March 4 , 2021 , there were 2,360,007 shares of common stock outstanding . Portions of the definitive proxy statement for the registrant's 2021 Annual Meeting of Stockholders are incorporated by reference in Part III of this Form 10 - K . Such proxy statement will be filed with the Securities and Exchange Commission not later than 120 days after December 31 , 2020 .