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( Mark One ) UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , D.C. 20549 ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES AND EXCHANGE ACT OF 1934 Form 10 - K □ TRANSITION REPORT UNDER SECTION 13 OR 15 ( d ) OF THE SECURITIES ACT OF 1934 Delaware For the fiscal year ended December 31 , 2020 FOR THE TRANSITION PERIOD FROM Title of each class Common Stock , $ .05 Par Value Commission file number 001-14775 ( State of Incorporation or Organization ) ΤΟ DMC Global Inc. ( Exact name of Registrant as Specified in its Charter ) 84-0608431 ( I.R.S. Employer Identification No. ) 11800 Ridge Parkway , Suite 300 , Broomfield , Colorado 80021 ( Address of principal executive offices , including zip code ) ( 303 ) 665-5700 ( Registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol BOOM Name of each exchange on which registered The Nasdaq Global Select Market Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes x No o Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15 ( d ) of the Act from their obligations under those sections . Yes o Nox 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 o 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 and post such files ) . Yes x No o Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , 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 .